Muscles of Lower Limb

Muscles of Lower Limb - The Lower Limb Muscles of Lower...

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The Lower Limb Muscles of Lower Limb MUSCLE ORIGIN INSERTION NERVE SUPPLY ACTION(S) Pectineus Superior ramus of pubis Pectineal line of femur Femoral nerve Adducts thigh Flexes thigh Assists medial rotation Iliopsoas Psoas Major Transverse processes of lumbar vertebrae Lesser trochanter of femur Ventral rami of lumbar nerves, L1-L3 Flexes thigh at hip joint Psoas Minor Sides of T12-L1 vertebrae Pectineal line Iliopectineal eminence Ventral rami of lumbar nerves Flexes thigh at hip joint Iliacus Iliac crest Iliac fossa Ala of sacrum Tendon of psoas major Lesser trochanter Femoral nerve (L1 and L2) Flexes thigh at hip joint Tensor of Fascia Lata Anterior superior iliac spine Anterior iliac crest Iliotibial tract that attaches to lateral condyle of tibia Superior gluteal nerve Abducts thigh Medially rotates thigh Flexes thigh Helps keep knee extended Sartorius Anterior superior iliac spine Superior part of notch inferior to it Superior medial tibia Femoral nerve Flexes thigh at hip Abducts thigh at hip Laterally rotates thigh at hip Flexes knee joint Adductor Longus Body of pubis inferior to iliac crest Middle third of linea aspera of femur Obturator nerve Adducts thigh Adductor Brevis Body and inferior ramus of pubis Pectineal line Proximal part linea aspera Obturator nerve Adducts thigh 3
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The Lower Limb MUSCLE ORIGIN INSERTION NERVE SUPPLY ACTION(S) Adductor Magnus Adductor Part: inferior ramus of pubis, ramus of ischium Hamstring Part: ischial tuberosity Adductor Part: gluteal tuberosity, linea aspera medial supracondylar line Hamstring Part: adductor tubercle of femur Adductor Part: obturator nerve Hamstring Part: sciatic nerve Adducts thigh Adductor Part: flexes thigh Hamstring Part: extends thigh Gracilis Body and inferior ramus of pubis Superior medial tibia Obturator nerve Adducts thigh Flexes leg Helps medially rotate leg Obturator Externus Margins of obturator foramen Obturator membrane Trochanteric fossa of femur Obturator nerve Laterally rotates thigh Steadies head of femur in actebaulum Quadriceps Femoris Rectus Femoris Anterior inferior iliac spine Ilium superior to acetabulum Bass of patella and by patellar ligament to tibial tuberosity Femoral nerve Extends leg at knee joint Rectus femoris also steadies hip
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Muscles of Lower Limb - The Lower Limb Muscles of Lower...

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