Effects of stretching exercises in patients with Multiple Sclerosis

INTERVENTION: Intervention 1: Intervention group:static stretching exercises will be applied 3 times in a week totally for 4 weeks.Hamistring,quadriceps,adductors and plantar flexors will be streched by researcher bilaterally.Each stretch will be kept for 30 seconds and repeated for 3 times. Intervention 2: Intervention group:functional stretching exercises will be done 3 times in a week totally for 4 weeks.Hamistring,quadriceps,adductors and plantar flexors will be streched by patient with guidance of reseacher.Each stretch will be kept for 30 seconds and repeated for 3 times. CONDITION: multiple sclerosis. ; Multiple sclerosis PRIMARY OUTCOME: Active range of motion. Timepoint: in the begining and end of the study. Method of measurement: with goniometer. Function. Timepoint: in the begining and end of the study. Method of measurement: Timed Up and Go test and Timed 25 Foot Walk test. Pain. Timepoint: in the begining and end of the study. Method of measurement: Visual analog scale. Spasticity. Timepoint: in the begining and end of the study. Method of measurement: modified modified ashworth scale. INCLUSION CRITERIA: Multiple sclerosis confirmed by specialist to have spasticity with limb stiffness or contractures of muscles or soft tissue in lower extremity being able to walk min 25 foot with/without assistive devices