by admin | Nov 11, 2021 | 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 nerves Note The common peroneal part of the sciatic nerve may emerge...
by admin | Nov 11, 2021 | Muscle
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 In locomotion, this muscle (along with the Gluteus Minimus) prevents...
by admin | Nov 11, 2021 | Muscle
Origin Outer surface of ilium behind posterior gluteal line, adjacent posterior surface of sacrum and coccyx, sacrotuberous ligament, aponeurosis of erector spinae (sacrospinalis) Insertion Iliotibial tract of fascia lata, gluteal tuberosity of femur Actions Upper...
by admin | Nov 10, 2021 | Muscle
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 fourth metatarsals, sustentaculum tali of calcaneus Actions Plantar...
by admin | Nov 10, 2021 | Muscle
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 Actions Dorsiflexes foot, inverts (supinates) foot Nerve Deep peroneal...
by admin | Nov 10, 2021 | Muscle
OriginInsertionActionsNerveNote This muscle is composed by four different parts. See them for detailed informaiton: Quadriceps – Rectus femorisQuadriceps – Vastus medialisQuadriceps – Vastus lateralisQuadriceps – Vastus intermedius
