https://www.openlearning.com/u..../vazquezlong-sm86mx/
Propelled All Terrain Wheelchairs Self-propelled all terrain wheelchairs are great for people who want to get out in the open. They are lightweight they fold easily and feature large pneumatic rear tires that allow them to go over rough surfaces. However chairs can be difficult to use on smooth surfaces. The chairs can also cause shoulder pain in the event that the user isn't in a good position. Suspension If you have limited mobility, it can be challenging to nav