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Medial Thigh
muscle | origin | insertion | innervation | action |
---|---|---|---|---|
Gracilis | PA – body and inferior ramus of pubis | DA – superior part of medial tibia (pes anserine) | obturator | adducts thigh, helps flex and internally rotate leg at knee jt |
Adductor Magnus (Hamstring portion) | ischial tuberosity | adductor tubercle | tibial portion of sciatic | extend thigh |
Obturator externus | PA – margin of obturator foramen and obturator membrane | DA – trochanteric fossa of femur | obturator | laterally rotates thigh and steadies head in acetabulum |
Adductor Magnus (Adductor portion) | PA – inferior ramus of pubis, ramus of ischium | DA – gluteal tuberosity, linea aspera, medial supracondylar line | obturator | adduct and flex thigh |
Pectineus | PA - pectin pubis, superior ramus of pubis | DA - pectineal line of femur | Femoral | adducts and flexes thigh |
Adductor Longus | PA – body of pubis inferior to pubic crest | DA – middle third of linea aspera | obturator | adduct thigh |
Adductor Brevis | PA – body and inferior ramus of pubis | DA – pectineal line and proximal part of linea aspera | obturator | adduct and flexes a wee bit |