Becker muscular dystrophy

A muscular dystrophy that involves slowly worsening muscle weakness of the legs and pelvis, and has_material_basis_in X-linked recessive inheritance of mutation in the dystrophin gene on chromosome Xp21.

Signs and symptoms

• Hyporeflexia
• Elevated circulating creatine kinase activity
• Abnormal EKG
• Calf muscle pseudohypertrophy
• Muscular dystrophy
• Cardiomyopathy
• Arrhythmia
• Muscle weakness
• Myalgia

Also known as: Benign pseudohypertrophic muscular dystrophy; benign congenital myopathy