M62.4: Contracture of muscle

Contracture of muscle, classified under the ICD-10 code M62.4, is a medical condition wherein a muscle or group of muscles become shortened and hardened, leading to reduced flexibility and potential disability. This happens when the tissues within and surrounding the muscles shrink and stiffen over time due to a variety of causes such as prolonged inactivity, muscle imbalance, nerve damage, or after injury. Symptoms of muscle contracture can include a visible deformity, joint stiffness, a decrease in the range of motion, and sometimes pain when trying to move the affected area. It may affect any muscle in the body, but it often occurs in the limbs, neck, and back. Over time, muscle contractures can cause the affected joints to become permanently bent or immobilized, interfering critically with movement and functionality.

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