Cost of walking, exertional dyspnoea and fatigue in individuals with multiple sclerosis not requiring assistive devices.

Objective: To assess the cost of walking in individuals with multiple sclerosis and to investigate its relationship with dyspnoea and fatigue.

Methods: In 46 individuals with multiple sclerosis and in 36 healthy controls, the cost of walking was measured during the 6-min walk test. Perceived breathlessness after walking was rated on a visual analogue scale and corrected for the distance walked.