M62.021

Clinical Causes: Degenerative muscle conditions that weaken muscle tissue over time Muscle ischemia or reduced blood flow Infections that cause muscle tissue breakdown Inflammatory myopathies, such as polymyositis or dermatomyositis Repeated strain or overuse of the arm muscles leading to enzymatic or metabolic shifts Certain genetic disorders affecting muscle integrity Age-related muscle degeneration

Key Symptoms: Pain or tenderness in the affected area of the right upper arm Swelling or a palpable gap where muscle separation has occurred Weakness or loss of strength in the arm Limited range of motion or difficulty moving the arm Muscle fatigue, especially during activity Discomfort that worsens with physical activity or movements Possible visible deformity or bulging in the muscle region

Diagnosis Path: Physical assessment to evaluate muscle strength, tenderness, and the presence of any visible abnormalities Magnetic Resonance Imaging (MRI): to visualize soft tissue structures and confirm muscle rupture or separation Ultrasound imaging: as a less invasive, real-time assessment of muscle integrity Electromyography (EMG): to evaluate muscle function and electrical activity Blood tests: to identify underlying inflammatory or infectious causes

Treatment Protocols: Resting the affected arm to prevent further strain Applying ice to reduce swelling and inflammation Prescription of non-steroidal anti-inflammatory drugs (NSAIDs) to control pain and inflammation Physical therapy aimed at restoring muscle strength and flexibility Use of supportive devices, such as braces or slings, to immobilize or support the arm In severe cases, surgical intervention may be necessary to repair the muscle tissue Addressing underlying conditions like infections or inflammatory diseases to prevent recurrence