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Hip Muscles
Origin, Insertion, Action, Nerve Innervation
MUSCLE | ORIGIN | INSERTION | ACTION | INNERVATION |
---|---|---|---|---|
Pectineus | Superios ramus of pubis | pectineal line | hip flexion, adduction | Femoral Nerve (L2-L4) |
Adductor longus | pubis | middle 1/3 of linea aspera | hip adduction | Obturator Nerve (L3-L4) |
Adductor Brevis | pubis | pectineal line, proximal linea aspera | hip addcution | Obturator Nerve (L3-L4) |
Adductor Magnus | pubis | entire length of linea aspera and adductor tubercle | hip adduction | Obturator Nerve (L3-L4) and SCIATIC NERVE |
Gracilis | pubis | anteromedial aspect of proximal tibia | hip adduction, assist knee flexion | Obturator Nerve (L2-L3) |
Gluteus Maximus | posterior sacrum and ilium | posterior aspect of femur just distal to IT band and Greater trochanter | hip extension, hyperextension, lateral rotation | Inferior Gluteal Nerve (L5-S2) |
Gluteus Minimus | outer ilium | lateral surface of greater trochanter | hip abduction | Superior Gluteal Nerve (L4-S1) |
Gluteus Medius | lateral ilium | anterior surface of greater trochanter | hib abduction, medial rotation | Superior Gluteal Nerve (L4-S1) |
Tensor Fascia Latae | ASIS | Lateral condyle of tibia | Combined hip flexion and abduction | Superior Gluteal Nerve (L4-L5) |
Semimembranosus | Ischial Tuberosity | Posterior surface of medial condyle of tibia | hip extension, knee flexion | Sciatic Nerve (L5-S2) |
Semitendonosus | Ischial Tuberosity | Anteromedial aspect of proximal tibia | hip extension, knee flexion | Sciatic Nerve (L5-S2) |
Biceps Femoris | Ischial Tuberosity (short head - lateral lip of linea aspera) | fibular head | hip extension, knee flexion, (short head - knee flexion only) | Sciatic Nerve (L5-S2) |
Obturator Externus | Obturator Nerve | |||
Piriformis | S1-S2 | |||
Obturator Internus/Gemellus Superior | Nerve to Obturator Internus | |||
Quadratus Femoris/Gemellus Inferior | Nerve to Quadratus Femoris | |||
Iliopsoas | Iliac fossa, Lateral surface of vertebrae T12-L5 | Lesser Trochanter | hip flexion | Femoral Nerve (L2-L3) |
Sartorius | ASIS | Anterior surface of proximal tibia | fip flexion, abduction, lateral rotation, knee flexion | Femoral Nerve (L2-L3) |
Rectus Femoris | AIIS | Tibial Tuberosity | hip flexion, knee extension | Femoral Nerve (L2-L4) |