9. muscles that act on the thigh and knee
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17 Terms
iliopsoas
location, proximal attachment, distal attachment, action
location: anterior and proximal thigh
proximal: iliac fossa. T12, L1-L5
distal: lesser trochanter of femur
action: flexes thigh
tensor fasciae latae
location, proximal attachment, distal attachment, action
location: lateral thigh
proximal: iliac crest, iliac spine
distal: iliotibial tract
action: flexes and abducts thigh
sartorius
location, proximal attachment, distal attachment, action
location: runs diagonally across anterior thigh
proximal: iliac spine
distal: tibia
action: flexes, abducs, laterally rotates thigh; flexes knee/leg
rectus femoris
location, proximal attachment, distal attachment, action
location: superficial muscle of anterior thigh, part of quadriceps femurs group
proximal: iliac spine
distal: tibial tuberosity of tibia
action: flexes thigh, extends knee/leg
vastus lateralis聽
location, proximal attachment, distal attachment, action
location: anterior lateral thigh, part of quadriceps femurs group聽
proximal: femur聽
distal: tibial tuberosity fo tibia聽
action: extends knee/leg
vastus medialis
location, proximal attachment, distal attachment, action
location: anterior medial thigh, part of quadriceps femurs group聽
proximal: femur聽
distal: tibial tuberosity
action: extends knee/leg
vastus intermedius
location, proximal attachment, distal attachment, action
location: deep to rectus femoris, part of quadriceps femurs group聽
proximal: femur聽
distal: tibial tuberosity of tibia聽
action: extend knee/leg聽
adductor longus
location, proximal attachment, distal attachment, action
location: medial thigh聽
proximal: pubis聽
distal:聽linea aspera of femur
action: adducts, laterally rotates thigh
adductor brevis
location, proximal attachment, distal attachment, action
location; medial thigh聽
proximal: pubis聽
distal: linea aspera of femur聽
action: adducts, laterally rotates thigh聽
adductor magnus
location, proximal attachment, distal attachment, action
location: medial thigh聽
proximal: pubis聽
distal: linea aspera of femur聽
action: adducts, laterally rotates thigh聽
gracilis
location, proximal attachment, distal attachment, action
location: medial thigh聽
proximal: pubis
distal: medial condyle of tibia聽
action: adducts thigh聽
gluteus maximus
location, proximal attachment, distal attachment, action
location: large superficial muscle over gluteal region聽
proximal: allium, sacrum, coccyx聽
distal: femur, illiotibial tract聽
action: powerful thigh extensor
gluteus medius
location, proximal attachment, distal attachment, action
location: deep to gluteus Maximus, covers ilium聽
proximal: ilium聽
distal: greater trochanter of femur聽
action: abducts, medially rotates thigh聽
gluteus minimus
location, proximal attachment, distal attachment, action
location: deepest gluteal muscle聽
proximal: ilium聽
distal: greater trochanter of femur聽
action: abducts, medially rotates thigh聽
semimembranosus
location, proximal attachment, distal attachment, action
location: deep to semitendinosus, part of hamstrings
proximal: ischial tuberosity聽
distal: tibia聽
action: extends thigh, flexes knee/leg, medially rotates leg
biceps femoris
location, proximal attachment, distal attachment, action
location: posterior and lateral muscle of thigh, part of hamstrings聽
proximal: ischial tuberosity, linea aspera of femur聽
distal: head of fibula聽
action: extends thigh, flexes knee/leg, laterally rotates leg聽
semitendinosus
location, proximal attachment, distal attachment, action
location: medial to biceps femoris, part of hamstrings
proximal: ischial tuberosity
distal: tibia
action: extends thigh, flexes knee/leg, medially rotates leg
Note 
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