
Origin: Lateral margin of obturator ring above ischial tuberosity
Insertion: Quadrate tubercle and adjacent bone of intertrochanteric crest of proximal posterior femur
Action: Rotates the hip laterally; also helps adduct the hip
Innervation: Quadratus femoris branch of nerve to the quadratus femoris and inferior gemellus (L5, S1)
Arterial Supply: Medial circumflex femoral artery, inferior gluteal artery, 1st - 4th perforating arteries, obturator artery, and some superior muscular branches of popliteal artery
The medical illustrations contained in this online atlas are copyrighted © 1997 by the University of Washington. They may not be utilized, reproduced, stored, or transmitted in any form or by any means, electronic or mechanical, or by any information storage or retrieval system, without permission in writing from the University of Washington.
Receiving a license to use these images is generally quite easy, particularly for academic and scholarly purposes. For more information see the Musculoskeletal Atlas Express Licensing Page.
Lower Extremity
- Adductor Brevis
- Adductor Longus
- Adductor Magnus
- Biceps Femoris – Long Head
- Biceps Femoris – Short Head
- Extensor Digitorum Longus
- Extensor Hallucis Longus
- Flexor Digitorum Longus
- Flexor Hallucis Longus
- Gastrocnemius
- Gluteus Maximus
- Gluteus Medius
- Gluteus Minimus
- Gracilis
- Iliacus
- Inferior Gemellus
- Obturator Externus
- Obturator Internus
- Pectineus
- Peroneus Brevis
- Peroneus Longus
- Peroneus Tertius
- Piriformis
- Plantaris
- Popliteus
- Psoas
- Quadratus Femoris
- Rectus Femoris
- Sartorius
- Semimembranosus
- Semitendinosus
- Soleus
- Superior Gemellus
- Tensor Fascia Lata
- Tibialis Anterior
- Tibialis Posterior
- Vastus Intermedius
- Vastus Lateralis
- Vastus Medialis