All Terrain Wheelchair Electric All-terrain wheelchairs allow people to enjoy the outdoors, permitting access to trails and muddy fields or even the beach. They can be self-propelled or controlled by an attendant. These chairs are ideal for MS sufferers with enough upper body strength to exercise and explore the outdoors. https://www.mymobilityscooters.uk/products/electric-wheelchair-folding-power-chair-with-foldable-design