Muscles Of Lower Limb

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inferioris.

Musculi membri

M. iliopsoas. Comprised of two muscles, the psoas major and iliacus. o: Lesser trochanter. A: Most important flexor and pre-elevator muscle of the legs; medial and lateral rotation of thigh at the hip joint. B C D

3 M. iliacus. o: Iliac fossa. i: Lesser trochanter. A: Flexion, medial and lateral rotation of thigh at the hip joint. I: Femoral nerve and lumbar plexus. C

4 M. psoas major. o: Bodies and transverse processes of L1-4. i: Lesser trochanter. A: Flexion, medial and lateral rotation of thigh at the hip joint. I: Lumbar plexus. C

5 [M. psoas minor]. o: Bodies of T12 and L1. i: Iliac fascia. I: Lumbar plexus. C

6 M. gluteus maximus. o: Posterior, external surface of ilium, sacrum, coccyx, sacrotuberous ligament. i: Iliotibial tract, gluteal tuberosity, lateral intermuscular septum, linea aspera. A: Extension, lateral rotation, abduction and adduction of thigh at the hip joint. I: Inferior gluteal nerve. A D E

7 M. gluteus medius. o: External surface of ilium. i: Greater trochanter. A: Abduction, medial and lateral rotation, flexion and extension of thigh at the hip joint. I: Superior gluteal nerve. A D E

8 M. gluteus minimus. o: External surface of ilium between anterior and inferior gluteal lines. i: Greater trochanter. A: Abduction, medial and lateral rotation, flexion and extension of the thigh at the hip joint. I: Superior gluteal nerve. A D E

8 a Gluteal aponeurosis. Aponeurosis glutealis.

Deep, sheet-like tendon of origin of the gluteus maximus lying on the gluteus medius.

9 M. tensor fasciae latae. o: Near the anterior superior iliac spine. i: Above the iliotibial tract lateral to the tibial tuberosity. A: Flexion, abduction and medial rotation of thigh at the hip joint. Flexion, extension and final rotation at the knee joint. I: Superior gluteal nerve. C E

10 M. piriformis. o: Anterior surface of sacrum. i: Greater trochanter, inner side of apex. A: Abduction, extension and lateral rotation of thigh at the hip joint. I. Sacral plexus. A D

11 M. obturator internus. o: Inner surface of obturator membrane and environment. i: Trochanteric fossa. A: Lateral rotation, abduction and adduction of thigh. I: Sacral plexus. A D

12 M. gemellus superior. o: Ischial spine. i: Tendon of obturator internus and trochanteric fossa. A: Lateral rotation, adduction and abduction of thigh. I: Sacral plexus. A D E

13 M. gemellus inferior. o: Ischial tuberosity. i: Tendon of obturator internus, trochanteric fossa. A: Lateral rotation, adduction and abduction of thigh. I: Sacral plexus. A D E

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