Amyotrophic Lateral Sclerosis (ALS) is a disease in which physical activity plays a controversial role. Epidemiological studies indicate an association between intense exercise and risk of developing ALS. To study the impact of physical activity on ALS. mouse models rely mostly on forced exercise. https://www.nacrack.com/quick-save-TRAILMASTER-CHALLENGER-200X-UTV-2-SEATER-super-grab/