Muscles Of The Thigh

Front 1

The anterior group of muscles of the thigh does what action(s)?

Back 1

flexes the thigh at hip or extends the leg at the knee

Front 2

The medial group of muscles of the thigh is also known as what/does what action?

Back 2

adductor (groin) muscles, adducts thigh at hip joint

Front 3

The posterior group of muscles of the thigh is also known as what/does what action?

Back 3

hamstring muscles, flex leg at knee and extend thigh at hip

Front 4

The sartorius m. belongs to what group? it is the _____ muscle in the body.

Back 4

Anterior; longest

Front 5

Origin of sartorius m.?

Back 5

anterior superior iliac spine

Front 6

Insert of sartorius m.?

Back 6

superior part of medial tibia

Front 7

Actions (4) of Sartorius m.?

Back 7

-flexes thigh at hip
-laterally rotates thigh at hip
-abducts thigh at hip
-flexes leg at knee

Front 8

The sartorius m. acts across both ________ and______

Back 8

hip and knee joints

Front 9

Sartorius m. runs______, _____, and ______ over thigh

Back 9

diagonally, down and medially

Front 10

Quadriceps femoris m. belongs to what muscle group of the thigh?

Back 10

anterior

Front 11

The quadriceps femoris m. consists of _______ that _______ which inserts onto the _____

Back 11

4 heads, unite into a common tendon, proximal tibia

Front 12

The four heads of the quadriceps femoris m. are?

Back 12

-Rectus femoris
-Vastus lateralis
-Vastus medialis
-Vastus intermedius

Front 13

Origin of rectus femoris head?

Back 13

anterior inferior iliac spine

Front 14

Origin of vastus medialis head?

Back 14

posterior-lateral femur

Front 15

Vastus lateralis head is the ______ part of quadriceps; its orientation is?

Back 15

largest; wraps around lateral side of femur

Front 16

Origin of vastus medialis head?

Back 16

posterior-medial side of femur (medial lip of linea aspera)

Front 17

Orientation of vastus medialis head?

Back 17

wraps around medial side of femur

Front 18

Origin of vastus intermedius head?

Back 18

proximal 2/3 of anterior femur

Front 19

Orientation of vastus intermedius head?

Back 19

deep to all three other parts

Front 20

Insertion of quadriceps tendon?

Back 20

patella

Front 21

Insertion of patellar ligament?

Back 21

tibial tuberosity of proximal tibia

Front 22

Action of quadriceps femoris m.?

Back 22

powerful extensor of leg at knee joint; with foot planted-pulls thigh forward

Front 23

The medial thigh/adductor/groin muscles all arise from areas of ______, _______, and ________ and insert on or near _____ of posterior femur

Back 23

pubis, ischiopubic rami, and ischial tuberosities; linea aspera

Front 24

The medial thigh/adductor/groin muscles all act primarily as ?

Back 24

adductors of thigh

Front 25

The medial thigh/adductor/groin muscles are divided into 3 layers:

Back 25

-superficial: pectineus, adductor longus and gracilis muscles
-intermediate: adductor brevis muscle
-deep: adductor magnus

Front 26

The gracilis muscle belongs to what group of muscles of the thigh?

Back 26

superficial layer of the adductor muscles

Front 27

Orientation of gracilis m.?

Back 27

most medial muscle of thigh

Front 28

Origin of gracilis m.?

Back 28

inferior pubic ramus

Front 29

Insertion of gracilis m.?

Back 29

medial surface, superior tibia

Front 30

Action of gracilis m.?

Back 30

adducts thigh; flexes leg at knee

Front 31

The pectineus muscle belongs to what group of muscles of the thigh?

Back 31

superficial layer of adductor muscles

Front 32

Origin of pectineus m.?

Back 32

superior pubic ramus

Front 33

Insertion of pectineus m.?

Back 33

superior posterior femur

Front 34

Action of pectineus m.?

Back 34

adducts and flexes thigh

Front 35

Adductor longus m. belongs to what group of muscles of the thigh?

Back 35

superficial layer of adductor muscles

Front 36

Origin of adductor longus m.?

Back 36

upper pubic bone

Front 37

Insert of adductor longus m.?

Back 37

middle posterior femur

Front 38

Action of adductor longus m.?

Back 38

adducts thigh

Front 39

Adductor brevis m. belongs to what group of muscles of the thigh?

Back 39

intermediate layer of adductor muscles

Front 40

Origin of adductor brevis m.?

Back 40

inferior pubic ramus

Front 41

Orientation of adductor brevis m?

Back 41

deep to adductor longus muscle

Front 42

Insertion of adductor brevis m.?

Back 42

superior posterior femur (lateral to adductor longus)

Front 43

Action of adductor brevis m.?

Back 43

adducts thigh

Front 44

Adductor magnus m. belongs to what group of muscles of the thigh?

Back 44

deep layer of adductor muscles

Front 45

Adductor magnus m. has ________ and ________ parts

Back 45

adductor and hamstring

Front 46

Origin of adductor part of adductor magnus m.?

Back 46

ischiopubic ramus

Front 47

Origin of hamstring part of adductor magnus m.?

Back 47

iscial tuberosity

Front 48

Insertion of adductor part of adductor magnus m.?

Back 48

posterior femur (entire length of linea aspera)

Front 49

Insertion of hamstring part of adductor magnus m.?

Back 49

via tendon to adductor tubercle of femur

Front 50

Adductor hiatus is?

Back 50

the division (gap) between insertion of the two parts of adductor magnus m. for passage of femoral artery and vein into popliteal fossa

Front 51

Action of adductor magnus m.?

Back 51

adducts thigh; hamstring part also extends thigh at hip joint

Front 52

Orientation of adductor magnus m.?

Back 52

deepest and largest of adductor muscles

Front 53

The muscles of the posterior thigh/hamstring muscles have what orientation and produce what action?

Back 53

-cross posterior to both hip and knee joints
-extension at hip and flexion at knee

Front 54

Semitendinosus m. belongs to what group of muscles of the thigh?

Back 54

hamstring

Front 55

Origin of semitendinosus m.?

Back 55

ischial tuberosity

Front 56

Insertion of semitendinosus m.?

Back 56

superior end of anterior-medial tibia (together with gracilis and sartorius muscles- fuse to form pes anserinus)

Front 57

Semitendinosus m. is named for?

Back 57

long, rounded tendon that forms lower 1/3 of muscle

Front 58

Semitendinosus m. forms ____ of popliteal fossa.

Back 58

superior-medial boundary

Front 59

Semimembranosus m. belongs to what group of muscles of the thigh?

Back 59

hamstring

Front 60

Origin of semimembranosus m.?

Back 60

ischial tuberosity

Front 61

Insertion of semimembranosus m.?

Back 61

posterior side, medial condyle of tibia

Front 62

Semimembranosus m. is named for?

Back 62

thin, flat (membranous) tendon that forms upper 1/3 of muscle

Front 63

Orientation of semimembranosus m.?

Back 63

runs deep to semitendinosus m.

Front 64

Biceps femoris m. belongs to what group of muscles of the thigh?

Back 64

hamstring

Front 65

Origin of the long head of biceps femoris m.?

Back 65

ischial tuberosity

Front 66

Origin of short head of biceps femoris m.?

Back 66

inferior, posterior femur (linea aspera)

Front 67

Insertion of biceps femoris m.?

Back 67

via common tendon to head of fibula

Front 68

Biceps femoris m. forms _____ of popliteal fossa.

Back 68

superior-lateral boundary

Front 69

Major action(s) of all three hamstring muscles?

Back 69

extension of thigh at hip and flexion of leg at knee

Front 70

What three muscle insertions form pes anserinus or "goose's foot"?

Back 70

semitendinosus m., gracilis m., and sartorius m.