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Psoas Muscle Strain Anatomy: The psoas major muscle is a large muscle that is located on the internal surface of the pelvis. This muscle runs from the front of lower thoracic and lumbar vertebrae and inserts into the lesser trochanter, which is a bony prominence on the femur (thigh bone). Before it reaches its insertion, the tendon of the psoas major joins with another muscle, the iliacus, to form the iliopsoas. These muscles work together to flex the hip, or bring knee up towards the chest. A muscle strain is a tear or break that causes damage to a muscle or its attaching tendons. Causes/ Mechanisms of Injury: • Due to sudden contraction of hip flexor muscles, often in a stretched position. • Hip osteoarthritis • Often occurs during sprinting or kicking activity. Muscle Strain grades Grade 1- small number of fibers torn with some pain but full function Grade 2- significant number of torn fibers with moderate function loss Grade 3- all muscle fibers are torn with major loss of function Symptoms: • Sharp pain or pulling in front of hip or groin at time of injury • Pain when lifting knee toward chest (especially against resistance) • Pain during activities such as running, kicking, going up stairs. • Swelling, tenderness, bruising along front of hip. • Possible muscle spasm, weakness, inability to walk without limp. • Low back pain on same side. • These symptoms are often worsened with activity and relieved by rest. Norman Newcastle Purcell 2475 Boardwalk Norman, OK 73069 PH (405) 447-1991 2340 N.W. 32nd Newcastle, OK 73065 PH (405) 392-3322 2132 N. Green Ave Purcell, OK 73080 PH (405) 527-1500 www.TherapyInMotion.net 1 Physical Therapy Treatment/Management: Rest- Decreasing activity and allowing the muscle to rest during the initial stages of injury are recommended to prevent further injury and allow proper healing. Ice- Ice placed on the front of the hip can help to reduce swelling, inflammation, and pain in the inflamed muscle. Heat- Use of heating pad or taking hot bath can help heat and relax the muscle. Modalities: Use of ultrasound, e-stim, and whirlpool can help to increase circulation and promote healing. Massage: Massaging the iliacus and psoas major can help to promote healing in the injured area. Stretching- Pain free stretching of the psoas muscle can be performed in standing, side lying, or lying down or manually by a therapist in order to improve flexibility of the hip flexors. Medication- Anti-inflammatory medications can be taken to reduce swelling and pain. Exercises- Progressive pain free exercises can help to strengthen the Psoas muscle and prevent muscle strain from reoccurring. 2