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254 Cards in this Set
- Front
- Back
What does vector F stand for?
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the sum of all the forces
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NAME
this represents the sum of all forces |
vector F
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What are the (3) laws of motion?
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(1)vector F= o w constant v
(2)vector F= m(vector a) (3)1= object A 2= object B vector F = - vector F 12 12 |
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What is the first law of motion?
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vector F = 0
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NAME LAW OF MOTION
vector F= 0 |
the first law of motion
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the first law of motion is called the (1)
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the law of interia
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The (1)of motion can also be called the law of interia
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the first law
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NAME LAW OF MOTION
1= object A 2= object B vector F = - vector F 12 12 |
the third law of motion
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What is the third law of motion?
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1= object A
2= object B vector F = - vector F 12 12 |
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The third law of motion can also be called the (1)
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law of action/reaction
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the (1) can also be called the law of action/ reaction
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the third law of motion
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What is the second law of motion?
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vector F= m(vector a)
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NAME LAW OF MOTION
vector F= m(vector a) |
the second law of motion
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The second law of motion is also called the (1)
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the equation of motion
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(1)is also called the equation of motion
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the second law of motion
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if 2 objects interact w each other and have opposite forces then (1)
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they have the same magnitude
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If two object are w each and have the (1)forces then they have the same maginitude
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opposite forces
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What are some forces that can interact on a object?
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(1)normal force (2)friction (3)tension
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NAME
these are some forces that act on objects |
normal force, friction, and tension
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If you put a cup on the table, what are (2)forces that are acting on it?
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(1)normal force (2)friction
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What is the normal force?
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refers to the perpendicular force that acts on objects
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NAME
this refers to the perpendicular force that acts on objects |
normal force
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If u slide a cup across a table, what force is acting on it?
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friction
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If you push on a wall, what force is acting on u?
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the normal force
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Using graph 1,
Pretend that vector Fa and vector Fb are two objects interacting in opposite directions, what can u conclude? |
that they have equal mangintudes
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What does the law of gravity say?
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that 2 paricles are attracted to each other and the further they are from each other, the weaker the force is
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NAME
this says that 2 particles are attracted to each other and the further they are from each other, the weaker the force is |
the law of gravity
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the (1) is circling around the earth
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moon
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The moon is circling around the (1)
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earth
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T or F
the earth circles around the moon |
false
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T or F
if there was no atmosphere, and the earth was a perfect circle and you threw a ball fast enough at 5 m/s then it would circle around the earth |
true
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What would happen if you threw a ball at a speed of 5 m/s and their was no atomsphere and the earth was a perfect circle?
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the ball would circle the earth at a constant speed
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T or F
the earth is has almost a spherical shape and internally symmetric |
true
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The earth is almost has a spherical shape but is (1)
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internally symmetric
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Tendons always have (1)acting on them
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tension force
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Explain what all the symbols mean?
Fg=m(GM)/r^2 |
m= mass of particle
G= gravity M=mass of the earth r= radius |
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a book is resting on a table, what are the forces acting on it? (2)
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(1)gravity (2)perpendicular forces
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What does vector Fg stand for?
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the Force of gravity
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In a gravity problem
What does M stand for? |
the mass of the earth?
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Draw a pic of what forces are acting on a book resting on a table and (2) what can you conclude using the first law of motion based on the picture
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See graph 2, (2)vector Fg + Vector Fm = 0
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Draw a pic of what forces are acting on a book. (3)using the laws of motion (1-3) what conclusions can u make?
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See graph 2 (2)vector Fn =vector Fg based on the first law of motion (3)Vector Fn'=-vector Fn therfore, Vector Fn' = Fg based on the third law of motion
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What does the vector Fn stand for?
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refers to the normal force acting on a object
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What does vector Fg stand for?
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refers to the vector Force of gravity
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vector Fg'=
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vector Fn
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vector Fn= (1)
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vector Fg'
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vector Fn'= (1)
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vector Fg
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vector Fg=(1)
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vector Fn'
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When an elevator starts to go up the a (1)
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increases
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When an elevator (1)the a increases
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starts to go up
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When an elevator starts to approch the floor it is going to stop on a (1)
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decreases
|
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When an elevator (1) a decreases
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starts to approach the floor it is going to stop on
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Draw a pic of the forces acting on a person standingo on a scale on a elevetor?
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see graph 3
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If a person is standing on scale in a elevator, when will the scale read the person's true wieght?
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when the a=0 and the elevator is not moving (mg)
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If a person is standing on a scale in a elevator, when will the scale read 0 and the person feel weightlessness??
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when gravity is negative
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Draw a chart telling of how ay and Fn' will change as a person standing on a scale rides a elevator?
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see graph 4
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Draw a pic of the forces acting on a pully?
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See graph 5
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What happens when you pull on a string?
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the force is transmitted to the other side and tension exisits throughout the string
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When you (1)on a string the force is transmitted to the other side and tension exisited throughout the string
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pull
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Pretend Graph 6, is a pully holding a object.
(1)Where would T be the strongest? (2)Why? |
(1)at A or the top of the pullly (2)bc the pully has to support the weight of the box
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Draw a pic of showing how the T
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see graph 10
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Pretend Graph 6, is a pully holding a object,
(1)where would T be the lowest? |
C
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Draw a pic of truck who is accerlating and has a object hanging from a string of the roof of the inside of the truck
(be sure to tell how to find the a) |
see graph 7
|
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String can only do one thing, what is it?
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pull
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T or F
you only pull a string |
true
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When is the only time (2) forces can add up to zero?
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if they have oppostie directions and the same magntidue
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Two forces can (1)only if the two forces have opposite directions and the same maginitude
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add up to zero
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Two forces can add up to zero only if (1)
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the forces have opposite directions and the same magintude
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What can act as a simple accerometer?
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a object hanging from a string on the roof of a vechile
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What does Fa stand for?
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refers to applied force
|
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NAME
this stands for applied force |
Fa
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What does F21 stand for?
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the force exerted by object 2 by object 1
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What does F12 stand for?
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the force exerted by object 1 by object 2
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Draw a pic of the forces acting on two blocks (one is heavier than the other) if u are pushing them
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See graph 11
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Draw a pic of the forces acting on three blocks (block 1>block 2?block 3)if u are pushing on them
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see graph 12
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Draw a pic of the forces acting on three blocks that are being pulled
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see graph 13
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What does F stand for?
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net force
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What is the F?
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is the net force or the sum of all the forces
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What does Fa stand for ?
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the applied force
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Do the wheels on the back of the train have friction?
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no
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Draw a pic of the forces acting on a train as it accerlerates
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see graph 14
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Draw a pic of the forces acting on three object someone is lifting from a string
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see graph 15
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T or F
if the friction is not big enough you dont notice it |
true
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What are the (2)types of friction?
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(1)static friction (2)kinetic friction
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NAME
there are two types of this: static and kinetic |
friction
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What is static friction?
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prevents sliding
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NAME
this prevent sliding |
static friction
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if you apply a force (1)the object will move
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higher than F max
s |
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If you apply a force higher than the F max the object will (1)
s |
move
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Draw a pic of the forces acting on sliding a book across a table
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see graph 16
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What does u stand for physics?
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the is the greek letter for the static cofeccient
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What does Fn stand for?
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the normal force
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What does Fn stand for?
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the normal force
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What is the kinetic friction?
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opposes sliding
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NAME
this opposes sliding |
kinetic friction
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What does Fk stand for?
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force of kinetic friction
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What does Fk stand for?
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kinetic friction
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NAME
this stand for kinetic friction |
Fk
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What does Fs stand for?
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static friction
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What does Fs stand for?
|
static friction
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NAME
this stands for static friction |
Fs
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What does Fn stand for?
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normal force
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is it is harder to start (1)something then to slide it at a constant v
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sliding
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it is harder to start slidings something than (1)
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sliding the object at a constant v
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Draw the forces acting on a object in the pick up of a truck
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See graph 17
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What is the scaupla shaped like?
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a triangule
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What is the subscapular fassia?
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is a depression that has the subscapular muscle write above it
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nAME
this is a depression that has the subscapular muscle write abve it |
subscapular fossa
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What are the (4)muscles of the rotator cuff and tell which ones are posterior and anterior?
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SITS
S=supraspinatus muscle (anterior) I=infraspinatus (anterior) T=Teres minor (anterior) S=subscaplaris (posterior) |
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What are the (4)muscles of the rotator cuff and tell which ones are posterior and anterior?
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SITS
S=supraspinatus muscle (Anterior) I=infraspinatus (anterior) T=Teres minor (anterior) S=subscaplaris (posterior) |
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What are the (4)muscles of the rotator cuff and tell which ones are posterior and anterior?
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SITS
S=supraspinatus muscle I=infraspinatus T=Teres minor S=subscaplaris Supraspinatus, infraspinatus, and teres minor are anterior and subscaplaris are posterior |
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WHat is the glenoid cavity?
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aritculation site of the head of the humerus w the scapula
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NAME
this is where the head of the humerus articulates w the scapula |
glenoid cavity
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What is acomion?
|
tip of shoulder
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What does "supra" mean?
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on top
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NAME
this is latin for on top |
supra
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What does is the supraspinos fossa?
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"supra" is latin for on top of ...thereofore, this is a depression above the spine of the scapula
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NAME
this is a depression above the spine of the scapula |
supraspinous fossa
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What does fossa usally refer to?
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a depression
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NAME
this usally refers to a depression |
fossa
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WHat is the infraspinous fossa?
|
i is for inferior, therefore, infraspinous fossa is the depression inferior to the spine of the scapula
|
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NAME
this is the depression inferior to the spine of the scapula |
infraspinous fossa
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Where are the rotator cuffs located ? (meaning which bone and where)
|
add later
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What are the different functions of the rotator cuff muscles and the Teres major? (4)
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SITS
S=supraspinatus I=infraspinatus T=teres minor S=Subscapalaris (1)infraspinatus muscle laterally rotates the arm and helps to hold the humerual head in the glenoid cavity of the scapula (2)subscaplaris and tere major medially rotates and adducts the arm. however, the subscapularis also holds the humeral head in the glenoid cavity (3)the infraspinatus and the teres minor laterally roatate the arm, and help to hold the humeral head in the glenoid cavity of the scapula (4)Spuraspinatus--adduction of the arm and rotator cuff muscles |
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What are the different functions of the rotator cuff muscles and the Teres major? (4)
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SITS
S=supraspinatus I=infraspinatus T=teres minor S=Subscapalaris (1)supraspinous iniates and assists the deltoid in abudction of the arm and acts the rotator cuff (2)subscaplaris and tere major medially rotates and adducts the arm. however, the subscapularis also holds the humeral head in the glenoid cavity (3)the infraspinatus and the teres minor laterally roatate the arm, and help to hold the humeral head in the glenoid cavity of the scapula |
|
What are the different functions of the rotator cuff muscles and the Teres major? (3)
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SITS
S=supraspinatus I=infraspinatus T=teres minor S=Subscapalaris (1)supraspinous - iniates and assists deltoid in abduction of the arm and act as rotator cuff (2)subscaplaris and tere major medially rotates and adducts the arm. however, the subscapularis also holds the humeral head in the glenoid cavity (3)the infraspinatus and the teres minor laterally roatate the arm, and help to hold the humeral head in the glenoid cavity of the scapula |
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What are the main actions of the supraspinatus muscle?
|
(1)assists the deltoid in the abduction of the arm and acts w the rotator cuffs
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NAME
this muscles assists the deltoid in the abduction of the arm and acts w the rotator cuff |
supraspinatus muscle
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What are the functions of the infraspinatus muscle?
|
(1)laterally rotate the arm (2)help hold the humeral head in the glenoid cavity of the scapula
|
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NAME
these (2)muscles help to laterally rotate the arm and help hold the humeral head in the glenoid cavity of the scapula |
infraspinatus muscle (2)Teres minor
|
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What are the functions of the teres minor muscle? (2)
|
(1)laterally rotate the arm (2)helps to hold the humeral head in the glenoid cavity of the scapula
|
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What are the functions of the teres major muscle? (2)
|
(1)adducts (2)and medially rotates the arm
|
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NAME
this muscle adducts and medially rotates the arm |
teres major
|
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What are the functions of the subscapularis?
|
(1)adducts (2)and medially rotates the arm (3)helps to hold the humeral head in the glenoid cavity
|
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NAME
this muslce adducts and medially rotates the arm and helps to hold the humerual head in the glendoid cavity |
subscapularis
|
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NAME (2)
these muscles share a 2 common functions: they both adduct and medially rotate the arm |
(1)teres major (2)subscapularis
|
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What is the only bone in the arm?
|
the humerus
|
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NAME
this is the only bone in the arm |
the humerus
|
|
What are the (2) posterior superfical extrinsic shoulder muscles?
|
(1)trapezius (2)Latissimus dorsi
|
|
NAME
this layer of shoulder muscles consists of the trapezius and the latissimus dorsi |
posterior superficial extrinsic shoudler muscles
|
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Draw a diagram of the different posterior shoulder muscles
|
See notes
|
|
Draw a diagram of the different posterior shoulder muscles
|
See notes
|
|
Draw a diagram of the different posterior shoulder muscles
|
see notes
|
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What are the (2)heads of the scapula?
|
(1)surgical neck (2)head
|
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WHere do most fractures of the scapula occur?
|
at the surgical neck
|
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Most fracatures of the (1)occur at the surgical neck
|
scapula
|
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Most fractures of the scapula occur at the (1)
|
surgial neck
|
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What is the deltoid tuberosity>
|
is the site of attchment for the deltoid muscle
|
|
NAMe
this is the site of the attachment for the deltoid muscle |
deltoid tuberosity
|
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What are the different epicondyle?
|
(1)lateral and (2)medial
|
|
What are the medial epicondyle?
|
is the common orgin of the flexors of the forearm muscles
|
|
nAME
this is a common orgin of the flexors of the forearm muscles |
medial epicondyle
|
|
What are the lateral epicondyle?
|
is a common orgin site of the extensor muscles of the forearm
|
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NAME
this is a common orgin site of the extensor muscles of the forearm |
lateral epicondyles
|
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What is the differ btwn the lateral epicondyle and the medial epicondyle? (2)
|
(1)medial epicondyle-is a common site of orgin for the flexors of the forearm (2)lateral epicondyle-is a common orgin site of the extensor of the muscles of the forearm
|
|
What is the Olecranon fossa?
|
is a big depression on the posterior side of the humerus
|
|
NAME
this is a big depression on the posterior side of the humerus |
Olecranon fossa
|
|
IF you palpate the elbow joint can feel the (1)
|
Olecrannon fossa
|
|
If you palpate the (1)you can feel the Olecrannon fossa
|
elbow joint
|
|
What does interofossa mean?
|
means btwn the bones
|
|
NAME
this is latin for btwn the bones |
interofossa
|
|
NAME
this is a memebrane located btwn 2 bones |
interofossa membrane
|
|
What is the interofossa membrane?
|
is a membrane located btwn 2 bones
|
|
WHat is the sytolid process?
|
is where people think the wrist bones are
|
|
NAME
this is where people think the wrist bones are |
sytolid process
|
|
T or F
the wrist bones are where people actually think they are |
false
|
|
Where are the wrist bones located? point to them on yourself
|
above the sytolid process
|
|
WHat is the radial nerve?
|
supplies the posterior sides of the arm and forearm
|
|
NAME
this nerve supplies the posterior arm and forarm |
radial nerve
|
|
What is the muscular cutenous nerve?
|
suplies the anterior arm
|
|
NAME
this nerve supplies the anterior arm |
muscular cutenus nerve
|
|
WHat nerve supplies the posterior arm?
|
radial nerve
|
|
What nerve supplies the posterior forearm?
|
radial nerve
|
|
What nerve supplies the anterior upper arm?
|
muscular cutenous nerve
|
|
What does nerves supply the forearm? (2)
|
(1)mostly the median nerve but also the (2)ulnar nerve
|
|
NAME (2)
this nerve supplies the forearm |
(1)mostly the median nerve but also the ulnar nerve
|
|
What is the differ btwn the nerve suply in the forearm and the hand?
|
(1)forearm-is supplied mostly by the median nerve but also by the ulnar nerve (2)the hand is supplied mostly by the ulnar nerve but also by the median nerve
|
|
What is the differ btwn the nerve suply in the forearm and the hand?
|
(1)forearm-is supplied mostly by the median nerve but also by the ulnar nerve (2)the hand is supplied mostly by the ulnar nerve but also by the median nerve
|
|
What is the differ btwn the nerve suply in the forearm and the hand?
|
(1)forearm-is supplied mostly by the median nerve but also by the ulnar nerve (2)the hand is supplied mostly by the ulnar nerve but also by the median nerve
|
|
NAME
this area is mainly inverted by the median nerve but also the ulnar nerve |
the forearm
|
|
NAME
this area is mainly supplied by the ulnar nerve but also the median nerve |
hand
|
|
what nerve supplies the hand? (2)
|
mainly the ulnar nerve but also the (2)median nerve
|
|
NAME
these nerves supply the hand (2) |
mainly the ulnar nerve (2)but also the median nerve
|
|
Are there muscles in the back of the hand?
|
no
|
|
T or F
there are muscles in the back of the hand |
false
|
|
What is the only posterior arm muscle?
|
triceps brachi
|
|
What is tri latin for?
|
three
|
|
What is ceps latin for?
|
head
|
|
What is brachi latin for?
|
arm
|
|
NAME
this lating for arm |
brachi
|
|
NAME
this latin for 3 |
tri
|
|
NAME
this is latin for head |
ceps
|
|
What are the triceps brachi?
|
Tri=3, ceps=head, and brachi=arm
Therefore, it is the arm muscle w 3 heads (one is deep and the other superfical) |
|
NAME
this is an arm muscle w 3 heads |
triceps brachi
|
|
What are the (4)muscles in the arm? Give which ones are anterior or posterior
|
(1)triceps brachi (anterior)
(2)biceps brachi (anterior) (3)brachialis (anterior) (4)coracobrachilis (posterior) |
|
What are the (3)anterior arm muscles?
|
(1)triceps brachi (2)biceps brachi (3)Brachialis
|
|
What is the only posterior arm muscles?
|
triceps brachi
|
|
NAME
this is the only posterior arm muscle |
triceps brachi
|
|
What is easy way to remember where the flexors and extensors are in the arm and the forearm are? (2)
|
(1)flexors are anterior
(2)extensors are posterior |
|
What is easy way to remember where the flexors and extensors are in the arm and the forearm are? (2)
|
(1)flexors are anterior
(2)extensors are posterior |
|
What is easy way to remember where the flexors and extensors are in the arm and the forearm are? (2)
|
(1)flexors are anterior
(2)extensors are posterior |
|
The (1)muscles are located in the posterior sides of the forearm and the arm
|
extensors
|
|
The (1)muscles are located in the anterior sides of the forearm and the arm
|
flexors
|
|
The extensors are located in the (1)sides of the arm and the forearm
|
posterior
|
|
The flexors are located in the (1)sides of the arm and the forearm
|
anterior
|
|
WHat is the medial epicondyle?
|
all flexors on the forearm orginate here
|
|
nAME
all flexors on the forearm orginate here |
medial epicondyle
|
|
What is pronatar teres?
|
teres=short
pro=pronates therefore the pronator teres pronates |
|
What are the functions of the biceps brachi? (2)
|
(1)flexors=are on the anteiorly sides of the arm and forearm..therefore, it flexs the forearm (2)supinates the forearm
|
|
WHat does the short head of the biceps brachi do?
|
helps to resist dislocation of the shoulder
|
|
NAME
the functions of this muscle are to flex and supinate the forearm |
biceps brachi
|
|
What does the brachialis do?
|
Flexors=are on the anteriorly sides of the arm and forearm
Therefore, it flexes the forearm in all postions |
|
NAME
this flexs the forearm in all positions |
brachialis
|
|
What are the functions of the triceps brachi
|
(1)extensors=posterior sides of the arm and forearm ...therefore, it the chief extensor of the forearm
|
|
NAME
this is the chief extesnor of the forearm |
triceps brachi
|
|
What does the Coracobrachialis do? (3)
|
(1)is considered anterior bc half of it is on the anterior half of the humerus and flexor=anterior sides of the forearm and arm .....therefore, helps flex the arm (2)adducts the arm (3)resists the dislocation of the shoulder
|
|
NAME
this muscle flexs and adducts the arm and resists the dislocation of the shoulder |
Coracobrachialis
|
|
Why is the Coracobrachialis considered anterior even though on the model it looks like it is posterior?
|
bc half of it is on the anterior surface of the humerus
|
|
T or F
the coracobrachilias is the only posterior arm muscle not the triceps brachi |
false
|
|
T or F
the Triceps brachi is anterior arm muscle |
false
|
|
Is there triceps brachi a anterior or posterior arm muscle?
|
posterior arm muscle
|
|
What does PT stand for?
|
pronator teres
|
|
What does FCR stand for?
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flexor carpis radialis
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What does FCU stand for?
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Flexor carpi ulnaris
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What are the functions of the PT for? (2)
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(1)pronates (2)flexor=anteriorly side of the arm and forearm...therefore, it flexes the forearm
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NAME
this muscle pronates and flexes the forearm |
PT
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What are the functions of the FCR? (2)
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(1)flexes and (2)abducts the hand at the wrist
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NAME
this muscle flexes and abducts the hand at the wrist |
FCR
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What are the functions of the Palmaris longus? (2)
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(1)flexors=anterior side of the forearm and the arm...therefore, it flexs the hand at the wrist (2)tenses palmar apoenurosis
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NAME
this muscles flexes the hand and tenses the palmar aponeurosis |
Palmaris longus
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What are the functions of the FCU? (2)
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(1)flexs the hand at the wrist (2)adducts the hand at the wrist
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NAME
these muscles flex and adduct the hand at the wrist |
FCU
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What are the different muscles that can flex the hand at the wrist? (4)
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(1)PT (2)FCR (3)Palmaris longus (4)FCU
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What function do the PT, FCR, palamaris longus, and the FCU have in common?
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they all flex the hand at the wrist
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What does FDS stand for?
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Flexor digitorum superficialis
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What are the functions of the FDS?
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(1)Flexor=anterior side of the forearm and arm ...therefore, it flexes the phlanges at the interphalangeal joints (2)flexes proximal phalanges at the metacarpophalangeal joints
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NAME
this flexes the middle phalnages at the proximal interphalangeal joints and the metacarpophalangeal joints |
FDS
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Draw a chart of what the muscles of the anterior forearm are like
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see chart
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Draw a chart of what the muscles of the forearm are like
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See chart
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Draw a chart of what the muscles of the forearm are like
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see chart
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What are the different layers of the forearm? (3)
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(1)superficial layer (2)intermediate layer (3)deep layer
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NAME
this layer of the forearm is made up of the PT, FCR, Palamris longus, and FCU |
superfical layer of the anterior forearm
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What are the different muscles that make up the anterior superfical layer of the forearm muscles? (4)
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(1)PT (2)FCR (3)Palmaris longus (4)FCU
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WHat are the (2)heads of the PT?
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(1)ulnar head (2)radial head
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What muscles makes up the intermediate layer of the anterior forearm?
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FDS
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NAME
this layer of the anterior forearm has the FDS |
intermediate
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What does FDP stand for?
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flexor digitorum profundus
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What are the functions of the FDP? (2)
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(1)flexor=anterior side of the forearm and the arm ...therefore, it's medial head flexes the distal phalanges 4 and 5 at the distal interphalangeal joints (2)lateral head flexes the digital phalanges 2 and 3 at the distal interphalnageal joints
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NAME
this muscle medial head flexes the distal phalanges 4 and 5 at the distal interphalangeal joints and its lateral head flexes the digital phalanges 2 and 3 at the distal interphalnegael joints |
FDP
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What are the functions of the FPL?
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(1)flexor=anterior side of the forearm and arm ...therefore, it flexes the phalanges of the 1st digit (thumb)
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NAME
this flexes the phalanges of the 1st digist or thumb |
FPL
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What are the functions of the pronator quadratus?
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it pronates the forearm
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NAME
this muscles pronates the forearm |
pronator forearm
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What are the different muscles that make up the deep layer of the anterior side of the forearm?
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(1)FDP (2)FPL (3)pronator quadratus
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NAME
this layer of the forearm is made up of the FDP, FPL, and the pronator quadratus |
pronator forearm
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