The ischiofemoral ligament (ischiocapsular ligament or ischiocapsular band) consists of a triangular band of strong fibers on the posterior side of the hip joint.[1] It is one of the four ligaments that reinforce the hip joint. It attaches to the posterior surface of the acetabular rim and acetabular labrum, and extends around the circumference of the joint to insert on the anterior aspect of the femur.[2] The ischiofemoral ligament limits the internal rotation and adduction of the hip when it is in a flexed position.[3]
Some deeper fibres of the ligament are continuous with the fibres of the zona orbicularis of the capsule.[4]
This ligament is less well-defined than the other two capsular ligaments of the hip joint.[4]
^"7. Articulations of the Lower Extremity. a. Coxal Articulation or Hip-joint". Collection at Bartleby.com. 20 October 2022. Retrieved 4 August 2023.
^Ng, KCG; Jeffers, JRT; Beaulé, PE (4 December 2019). "Hip Joint Capsular Anatomy, Mechanics, and Surgical Management". The Journal of Bone and Joint Surgery. American Volume. 101 (23): 2141–2151. doi:10.2106/JBJS.19.00346. hdl:10044/1/71938. PMC 7406151. PMID 31800428.
^ abPalastanga, Nigel; Soames, Roger (2012). Anatomy and Human Movement: Structure and Function. Physiotherapy Essentials (6th ed.). Edinburgh: Churchill Livingstone/Elsevier. p. 290. ISBN 978-0-7020-3553-1.
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