Which of the following is a sign associated with Duchenne muscular dystrophy related to muscle size?

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Multiple Choice

Which of the following is a sign associated with Duchenne muscular dystrophy related to muscle size?

Explanation:
Calf enlargement from pseudohypertrophy is the sign seen with Duchenne muscular dystrophy. When dystrophin is absent, muscles weaken and fibers are damaged and replaced by fat and connective tissue. This makes the calves appear enlarged even though the muscle strength is reduced. It’s a classic, size-related feature of the disease. The other options reflect gait or postural compensations due to proximal weakness, not changes in muscle size.

Calf enlargement from pseudohypertrophy is the sign seen with Duchenne muscular dystrophy. When dystrophin is absent, muscles weaken and fibers are damaged and replaced by fat and connective tissue. This makes the calves appear enlarged even though the muscle strength is reduced. It’s a classic, size-related feature of the disease. The other options reflect gait or postural compensations due to proximal weakness, not changes in muscle size.

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