Which term best describes the overall progression of mobility in MD?

• A. Education impact
• B. Functional mobility progression
• C. Psychosocial impact
• D. Surgical management

Answer: (B)

Functional mobility progression is the best way to describe how mobility changes over time in muscular dystrophy. This term focuses on the actual abilities a person uses in daily life—walking, standing, transferring from bed to chair, climbing stairs, and other movements—and how those abilities evolve as the disease progresses and muscles weaken or are replaced by fat tissue. It captures the real, practical trajectory of movement, rather than outside domains.

Other options describe different aspects: education impact refers to how schooling and learning are affected, psychosocial impact covers emotional and social effects, and surgical management refers to procedures that might address mobility but don’t describe the natural course of functional movement itself. As the disease advances, the typical pattern is a progressive reduction in independent mobility, often starting with reduced walking endurance, then needing aids like canes or walkers, and eventually requiring a wheelchair, which is precisely what functional mobility progression aims to describe.