M62.12

Clinical Causes: Overuse or repetitive strain from activities such as lifting or sports Muscle weakness due to underlying health conditions like muscular dystrophy or inflammatory myopathies Degenerative changes in muscle tissue, often related to aging Corticosteroid or other medication use that weakens muscle tissue Electrolyte imbalances leading to muscle weakness Infections affecting muscle tissue Poor nutrition leading to weakened muscles

Key Symptoms: Sudden onset of pain in the upper arm Swelling and tenderness in the affected area Muscle weakness or inability to move the arm properly Bruising or discoloration over the muscle Limited range of motion due to pain or swelling A feeling of muscle tearing or pop sensation during rupture

Diagnosis Path: Diagnosis involves a thorough clinical examination where a healthcare provider assesses symptoms, muscle strength, and areas of tenderness. Imaging studies such as ultrasound or magnetic resonance imaging (MRI) are commonly used to confirm the extent of muscle tear and to differentiate it from other conditions affecting the upper arm. These imaging tools provide detailed visuals of soft tissue injuries, helping to plan the best treatment approach.

Treatment Protocols: Rest: Avoid activities that exacerbate pain to allow healing Ice application: Applying ice packs to reduce swelling and pain Pain relief: Use of over-the-counter medications such as NSAIDs under medical guidance Physical therapy: Gentle exercises to restore strength and flexibility once inflammation decreases Supportive devices: Use of braces or slings to immobilize the arm if necessary In severe cases: Surgical repair may be considered if the tear is extensive or does not heal with conservative measures Addressing underlying causes: Managing conditions like infections or inflammatory diseases that contribute to muscle weakness