piriformis Articles

Referred Pain And Nerve Injury

By Carolyn Kisner PT, MS and Lynn Allen Colby PT, MS on November 18th 2008

The hip is innervated primarily from the L3 spinal level; hip joint irritation is usually felt along the L3 dermatome reference from the groin, down the front of the thigh to the knee.
Major Nerves Subject to Injury or Entrapment
Sciatic nerve. Entrapment may occur when the sciatic nerve passes deep to the piriformis muscle (occasionally it […]

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Filed Under: Physical Therapy, tribes001
Tags: femoral nerve, groin, intervertebral, obturator nerve, piriformis, spinal level

Hip Muscle Imbalances Related to Postural Impairments

By Carolyn Kisner PT, MS and Lynn Allen Colby PT, MS on November 18th 2008

Anterior Pelvic Tilt Posture
• Short TFL and IT band
• General limitation of hip external rotation
• Weak, stretched posterior portion of the gluteus medius and piriformis
• Excessive medial rotation of the femur during the first half of stance phase of gait with increased stresses on the medial structures of the knee
• Associated lower extremity compensations including […]

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Filed Under: Physical Therapy, tribes001
Tags: gluteus medius, hallux valgus, iliopsoas, lateral tibial torsion, pes planus, piriformis

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