Noah, a 5-Year-Old Child, Has Recently Developed Difficulty Climbing Stairs

Multiple Choice

Noah, a 5-year-old child, has recently developed difficulty climbing stairs, fatigues easily, and has difficulty rising from a sitting or lying position. Which of the following muscular dystrophies is the most likely diagnosis for Noah's condition?

A) Duchenne muscular dystrophy
B) Limb-girdle muscular dystrophy
C) Facioscapulohumeral muscular dystrophy
D) Congenital muscular dystrophy (CMD)