Ischiofemoral ligament

A ligament providing stability to the hip joint and aiding in its range of motion.

The ischiofemoral ligament is a ligament in the hip joint that connects the ischium, a bone of the pelvis, to the femur, the thigh bone. This ligament plays a vital role in maintaining the stability of the hip joint, particularly during movements that involve rotation.

Terminologia Anatomica

ligamentum ischiofemorale

System

Musculoskeletal system

Function

The primary function of the ischiofemoral ligament is to restrict excessive movement and provide stability to the hip joint. By anchoring the femur to the ischium, it helps limit hip extension and internal rotation, thus protecting the joint during various activities such as walking, running, and jumping. Additionally, it supports the overall function of the hip joint in bearing weight and facilitating smooth, coordinated movement. The ischiofemoral ligament works in concert with other ligaments of the hip, such as the iliofemoral and pubofemoral ligaments, to create a balance that allows for a full range of motion while preventing dislocation and injury.

Location

The ischiofemoral ligament is located posteriorly (at the back) of the hip joint. It originates from the ischial part of the pelvis, specifically from the ischial tuberosity, and extends upwards to attach to the femur, typically near the greater trochanter. This positioning allows the ligament to play a crucial role in stabilizing the hip during rotational movements, as it is aligned to support the joint where it is most subject to strain and stress during dynamic activities. Its intimate relationship with the surrounding muscles and other ligaments enhances the overall integrity of the hip joint.

Did You Know?

The ischiofemoral ligament is the least known of the hip joint ligaments, yet it is vital for maintaining joint stability.
Tightness or injury to the ischiofemoral ligament can lead to restricted hip motion and pain during activities such as running or squatting.
It is one of the three main ligaments of the hip, each serving a specific role in joint function and integrity.