 4. an increase in quality of life as measured by the SF-36.Subjects will be randomized into two groups - experimental and control. Subjects in the control group will perform a daily stretching exercise program for a period of six months. Subjects in the experimental groups will perform a strengthening exercise program three times per week for a period of six months. All subjects will be evaluated at baseline and then monthly using the following outcome measures: 1 maximum voluntary isometric contraction; 2 Amyotrophic Lateral Sclerosis Functional Rating Scale; 3 Schwab and England Rating Scale; 3 Fatigue Severity Scale; 4 forced vital capacity; and, 5 the SF-36. 