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Ischiofemoral ligament
Ischiofemoral ligament
	The hip joint from behind
Details
From	ischium
To	femur
Identifiers
Latin	ligamentum ischiofemorale
TA98	A03.6.07.006
TA2	1878
FMA	43027
	Anatomical terminology [edit on Wikidata]

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]

Function

Studies of human cadavers found that this ligament limits internal rotation of the hip, regardless of whether the hip is flexed, extended, or in neutral position.^[5]

References

^ "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.
^ Glenister, Roland; Sharma, Sandeep (2023). "Anatomy, Bony Pelvis and Lower Limb, Hip". StatPearls. StatPearls Publishing. PMID 30252275. Retrieved 4 August 2023.
^ ^a ^b Palastanga, 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.
^ "What is the Ischiofemoral Ligament? (With pictures)".