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70 Cards in this Set
- Front
- Back
The anterior group of muscles of the thigh does what action(s)?
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flexes the thigh at hip or extends the leg at the knee
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The medial group of muscles of the thigh is also known as what/does what action?
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adductor (groin) muscles, adducts thigh at hip joint
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The posterior group of muscles of the thigh is also known as what/does what action?
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hamstring muscles, flex leg at knee and extend thigh at hip
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The sartorius m. belongs to what group? it is the _____ muscle in the body.
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Anterior; longest
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Origin of sartorius m.?
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anterior superior iliac spine
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Insert of sartorius m.?
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superior part of medial tibia
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Actions (4) of Sartorius m.?
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-flexes thigh at hip
-laterally rotates thigh at hip -abducts thigh at hip -flexes leg at knee |
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The sartorius m. acts across both ________ and______
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hip and knee joints
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Sartorius m. runs______, _____, and ______ over thigh
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diagonally, down and medially
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Quadriceps femoris m. belongs to what muscle group of the thigh?
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anterior
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The quadriceps femoris m. consists of _______ that _______ which inserts onto the _____
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4 heads, unite into a common tendon, proximal tibia
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The four heads of the quadriceps femoris m. are?
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-Rectus femoris
-Vastus lateralis -Vastus medialis -Vastus intermedius |
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Origin of rectus femoris head?
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anterior inferior iliac spine
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Origin of vastus medialis head?
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posterior-lateral femur
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Vastus lateralis head is the ______ part of quadriceps; its orientation is?
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largest; wraps around lateral side of femur
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Origin of vastus medialis head?
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posterior-medial side of femur (medial lip of linea aspera)
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Orientation of vastus medialis head?
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wraps around medial side of femur
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Origin of vastus intermedius head?
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proximal 2/3 of anterior femur
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Orientation of vastus intermedius head?
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deep to all three other parts
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Insertion of quadriceps tendon?
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patella
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Insertion of patellar ligament?
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tibial tuberosity of proximal tibia
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Action of quadriceps femoris m.?
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powerful extensor of leg at knee joint; with foot planted-pulls thigh forward
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The medial thigh/adductor/groin muscles all arise from areas of ______, _______, and ________ and insert on or near _____ of posterior femur
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pubis, ischiopubic rami, and ischial tuberosities; linea aspera
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The medial thigh/adductor/groin muscles all act primarily as ?
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adductors of thigh
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The medial thigh/adductor/groin muscles are divided into 3 layers:
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-superficial: pectineus, adductor longus and gracilis muscles
-intermediate: adductor brevis muscle -deep: adductor magnus |
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The gracilis muscle belongs to what group of muscles of the thigh?
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superficial layer of the adductor muscles
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Orientation of gracilis m.?
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most medial muscle of thigh
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Origin of gracilis m.?
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inferior pubic ramus
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Insertion of gracilis m.?
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medial surface, superior tibia
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Action of gracilis m.?
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adducts thigh; flexes leg at knee
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The pectineus muscle belongs to what group of muscles of the thigh?
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superficial layer of adductor muscles
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Origin of pectineus m.?
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superior pubic ramus
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Insertion of pectineus m.?
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superior posterior femur
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Action of pectineus m.?
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adducts and flexes thigh
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Adductor longus m. belongs to what group of muscles of the thigh?
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superficial layer of adductor muscles
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Origin of adductor longus m.?
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upper pubic bone
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Insert of adductor longus m.?
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middle posterior femur
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Action of adductor longus m.?
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adducts thigh
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Adductor brevis m. belongs to what group of muscles of the thigh?
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intermediate layer of adductor muscles
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Origin of adductor brevis m.?
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inferior pubic ramus
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Orientation of adductor brevis m?
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deep to adductor longus muscle
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Insertion of adductor brevis m.?
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superior posterior femur (lateral to adductor longus)
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Action of adductor brevis m.?
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adducts thigh
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Adductor magnus m. belongs to what group of muscles of the thigh?
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deep layer of adductor muscles
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Adductor magnus m. has ________ and ________ parts
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adductor and hamstring
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Origin of adductor part of adductor magnus m.?
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ischiopubic ramus
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Origin of hamstring part of adductor magnus m.?
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iscial tuberosity
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Insertion of adductor part of adductor magnus m.?
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posterior femur (entire length of linea aspera)
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Insertion of hamstring part of adductor magnus m.?
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via tendon to adductor tubercle of femur
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Adductor hiatus is?
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the division (gap) between insertion of the two parts of adductor magnus m. for passage of femoral artery and vein into popliteal fossa
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Action of adductor magnus m.?
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adducts thigh; hamstring part also extends thigh at hip joint
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Orientation of adductor magnus m.?
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deepest and largest of adductor muscles
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The muscles of the posterior thigh/hamstring muscles have what orientation and produce what action?
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-cross posterior to both hip and knee joints
-extension at hip and flexion at knee |
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Semitendinosus m. belongs to what group of muscles of the thigh?
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hamstring
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Origin of semitendinosus m.?
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ischial tuberosity
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Insertion of semitendinosus m.?
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superior end of anterior-medial tibia (together with gracilis and sartorius muscles- fuse to form pes anserinus)
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Semitendinosus m. is named for?
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long, rounded tendon that forms lower 1/3 of muscle
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Semitendinosus m. forms ____ of popliteal fossa.
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superior-medial boundary
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Semimembranosus m. belongs to what group of muscles of the thigh?
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hamstring
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Origin of semimembranosus m.?
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ischial tuberosity
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Insertion of semimembranosus m.?
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posterior side, medial condyle of tibia
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Semimembranosus m. is named for?
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thin, flat (membranous) tendon that forms upper 1/3 of muscle
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Orientation of semimembranosus m.?
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runs deep to semitendinosus m.
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Biceps femoris m. belongs to what group of muscles of the thigh?
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hamstring
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Origin of the long head of biceps femoris m.?
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ischial tuberosity
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Origin of short head of biceps femoris m.?
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inferior, posterior femur (linea aspera)
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Insertion of biceps femoris m.?
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via common tendon to head of fibula
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Biceps femoris m. forms _____ of popliteal fossa.
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superior-lateral boundary
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Major action(s) of all three hamstring muscles?
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extension of thigh at hip and flexion of leg at knee
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What three muscle insertions form pes anserinus or "goose's foot"?
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semitendinosus m., gracilis m., and sartorius m.
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