Becker Muscular Dystrophy (BMD)
X-linked recessive. Clinically similar to Duchenne Muscular Dystrophy (can still produce some dystrophin) – but less severe, more protracted and less common (1/30-50 000 live male births) and later onset. Usually begins around 10-15 yrs.
Usually able to walk until early adulthood – often live to 30’s. Progression is variable.
Associated with cardiac problems. Weakness difficulty walking, climbing stairs and getting up from floor.
Cavus or equinus and toe walking is common. Often need AFO’s.
Weight training can increase strength and endurance.
Psu-dohypertrophy of calf muscles common