Muscle

Origin Internal surface of sacrum, sacrotuberous ligament Insertion Upper border of greater trochanter Actions Laterally rotates thigh, abducts thigh Nerve Anterior rami of first and second sacral...

Origin Outer surface of ilium inferior to iliac crest Insertion Lateral surface of greater trochanter Actions Abducts femur and rotates thigh medially Nerve Superior gluteal nerve (L4, L5, S1) Note...

Origin Outer surface of ilium behind posterior gluteal line, adjacent posterior surface of sacrum and coccyx, sacrotuberous ligament, aponeurosis of erector spinae (sacrospinalis) Insertion...

Origin Lateral part of posterior surface of tibia, interosseous membrane, proximal half of posterior surface of fibula Insertion Tuberosity of navicular bone, cuboid, cuneiforms, second, third, and...

Origin Lateral condyle of tibia, upper half of lateral surface of tibia, interosseous membrane Insertion Medial side and plantar surface of medial cuneiform bone, base of first metatarsal bone...

OriginInsertionActionsNerveNote This muscle is composed by four different parts. See them for detailed informaiton: Quadriceps - Rectus femorisQuadriceps - Vastus medialisQuadriceps - Vastus...

Origin Anterior and lateral surfaces of upper two-thirds of femur, lateral intermuscular septum, linea aspera, lateral supracondylar ridge Insertion Deep aspect of quadriceps tendon, then through...

Origin Intertrochanteric line, medial lip of linea aspera of femur, medial intermuscular septum of adductor magnus and adductor longus, medial supracondylar ridge Insertion Medial border of the...

Origin Intertrochanteric line, inferior border of greater trochanter, gluteal tuberosity, lateral lip of linea aspera of femur Insertion Lateral margin of patella, then by patellar ligament to...

Origin Anterior head—anterior inferior iliac spine Posterior head—ilium above acetabulum Insertion Patella, then by patellar ligament to tuberosity of the tibia Actions Extends leg at...