Quadratus Femoris Anatomy | Deep 6 Hip External Rotator & Ischiofemoral Impingement

Quadratus Femoris is one of the deep hip external rotators, sitting low in the Deep 6 group near the ischium and posterior femur. It may not be the flashiest muscle, but it plays an important role in hip external rotation, hip adduction assistance, femoral head stability, and deep posterior hip control. In this anatomy breakdown, we cover the Quadratus Femoris muscle from top to bottom: 𖤓 Origin 𖤓 Insertion 𖤓 Innervation 𖤓 Function 𖤓 Clinical relevance 𖤓 Ischiofemoral impingement 𖤓 Deep posterior hip pain Quadratus Femoris originates from the ischial tuberosity and inserts onto the quadrate tubercle and intertrochanteric crest of the femur. Functionally, it acts as a hip external rotator, assists with hip adduction, and contributes to deep posterior hip stability. Clinically, this muscle becomes especially interesting when discussing deep gluteal pain, posterior hip pain, symptoms near the sit bone, and ischiofemoral impingement — where the space between the ischium and femur may become narrowed and irritate the Quadratus Femoris. Not every case of deep buttock pain is Piriformis. Not every sit bone pain case is proximal hamstring. Not every posterior hip symptom is lumbar radiculopathy. Sometimes, Quadratus Femoris deserves a seat at the table. Thanks for watching. Much more in store; even more to come. Stay tuned, stay locked. Treadwell, DPT. #QuadratusFemoris #HipAnatomy #TreadwellDPT Austin Treadwell, DPT Minneapolis, Minnesota The Only Cool Physical Therapist Quadratus Femoris Explained | Deep Hip Rotator Anatomy & Posterior Hip Pain Quadratus Femoris Muscle Anatomy | Origin, Insertion, Function & Nerve Supply The Forgotten Deep 6 Muscle? Quadratus Femoris Anatomy Breakdown Quadratus Femoris & Ischiofemoral Impingement | Deep Posterior Hip Pain Explained Quadratus Femoris Anatomy Breakdown | The Deep Hip Stabilizer Nobody Talks About