Exercise-Induced Irisin and Brain Changes

According to current clinical guidelines for multiple sclerosis patients, the progressive resistance training (PRT) protocol will be implemented as follows: a 12-week intervention consisting of three supervised 60-90 minute sessions per week at 60-80% of one-repetition maximum intensity. All training sessions will be conducted under the direct supervision of a certified physiotherapist to ensure proper technique adherence and safety throughout the intervention period