Anatomy Medial thigh compartment muscles
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20 terms
Terms | Definitions |
|---|---|
 adductor longus origin | body of pubis inferior to pubic crest |
| adductor longus insertion | middle 1/3 of linea aspera of femur |
| adductor longus action | adducts thigh |
| adductor longus innervation | obturator nerve (L3) anterior division |
| adductor brevis origin | body and inferior ramus of pubis |
| adductor brevis insertion | pectineal line and proximal part of linea aspera of femur |
| adductor brevis action | adducts and somewhat flexes thigh |
| adductor brevis innervation | obturator nerve (L3) anterior division |
| adductor magnus origin | adductor part: inferior ramus of pubis and ramus of ishium Hamstrings part: ishial tuberosity |
| adductor magnus insertion | adductor part: gluteal tuberosity; linea aspera anmd medial supracondylar line Hamstrings part: adductor tubercle of femur |
| adductor magnus action | adductor part: flexes the thigh hamstrings part: extends the thigh both: adducts the thigh |
| adductor magnus innervation | adductor part: obturator nerve (L3,4) posterior division hamstrings part: tibial part of sciatic nerve (L4) |
| Gracilis origin | body and inferior ramus of pubis |
| Gracilis insertion | superior part of medial surface of tibia |
| Gracilis action | adducts thigh; flexes thigh; medial rotator of leg |
| Gracilis innervation | obturator nerve (L2) |
| obturator externus origin | obturator membrane and margins of the obturator foramen |
| obturator externus insertion | trochanteric fossa of femur |
| obturator externus action | laterally rotates thigh; steadies head of femur in acetabulum |
| obturator externus innervation | obturator nerve (L4) |
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