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= Origins Insertions And Actions of Muscles of the Leg

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kodopumi's version from 2015-12-09 21:18

Origins Insertions And Actions of Muscles of the Leg

 

MuscleOriginInsertionAction
Gluteus Maximuson illiac crest, sacrum, coccyx and aponeurosis of lumbar regionon gluteal tuberosity of femur and iliotibial tractextends and rotates thigh laterally
Gluteus Mediuson lateral surface of iliumon greater trochanter of femurabducts and rotates thigh medialy, works together with gluteus minimus
Gluteus Minimuson lateral surface of iliumon greater trochanter of femurabducts and rotates thigh medialy, works together with gluteus medius
Gracilison inferior edge of symphysis pubison proximal, media tibiaadducts thigh, flexes and rotates leg at knee
Adductor Longuson pubis (near symphysis pubis)on linea aspera of femuradducts, flexes and medially rotates thigh
Adductor Magnusat ischiumon linea aspera of femur and on medial epicondyle of femuradducts, flexes and medially rotates thigh
Sartoriusat spine of ilium (on iliac crest)on medial surface of tibiaflexes leg and thigh, abducts thigh and rotates thigh laterally and rotates thigh laterally and rotates leg medially
Rectus Femorison inferior spine of ilium and on acetabulum of os coxaon patella via the patella tendonextends leg
Vastus Lateralison greater trochanter and linea aspera of femuron patella via the patella tendonextends leg
Vastus Medialison linea aspera of femur on patella via the patella tendonextends leg
Vastus Intermediuson anterior shaft of femur, deep to rectus femoris on patella via the patella tendonextends leg
Biceps Femorislong head on ischial tuberosity, short head on linea aspera of femuron head of fibula and lateral condyle of tivia (both long and short head)flexes the knee, extends and laterally rotates the thigh at the hip
Semitendinosuson ishial tuberosityon proximal medial portion of tibia flexes the knee, extends and laterally rotates the thigh at the hip
Semimembranosuson ishial tuberosityon medial condyle of tibia flexes the knee, extends and laterally rotates the thigh at the hip
Gastrocnemiuslateral head on lateral condyle of femur, medial head on medial condyle of femuron calcaneous bone via the achilles tendon (both heads)plantar felxes the foot and flexes the knee
Soleuson proximal heads of fibula and tibiaon calcaneous bone via the achilles tendonplantar flexes the foot
Tibialis Anterioron lateral condyle and body of tibiaon first metatarsal and first cuneiformdorsiflexion of ankle and inversion of foot
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