Sarcopenia and Related Factors in Patients With Multiple Sclerosis

"Participants will undergo the following assessments:~* Muscle strength: Handgrip strength test (using a digital dynamometer),~* Muscle mass: Bioelectrical impedance analysis (BIA) or DXA,~* Physical performance: 6-minute walk test, 5-repetition sit-to-stand test,~* Fatigue: Modified Fatigue Impact Scale (MFIS),~* Disability: EDSS,~* Nutritional status: Mini Nutritional Assessment (MNA),~* Physical activity: Godin Leisure-Time Exercise Questionnaire,~* Quality of life: MSQoL-54."