Multiple Sclerosis Walking Scale-12 (MSWS-12)

The MSWS-12 is a brief, patient-reported outcome measure specifically designed to assess the impact of multiple sclerosis on walking ability and limitation. Developed by Hobart and colleagues in 2003, this 12-item scale captures both the physical difficulty and functional consequences of MS-related gait impairment. It is highly responsive to change and widely used in MS clinical trials and practice as a primary outcome measure for assessing intervention effects on mobility.