the possible long term repetitive use injuries attributed to manual wheelchair operation.[aerobics] These debates have encouraged developments to enhance wheelchair seating, back support, frame, wheel, and hand-rim designs. Innovative lever styled mechanisms add a new level to improve the overall efficiency, posture and ergonomics of manual wheelchair propulsion.[ergonomics] Utilizing lever propulsion technologies on a wheelchair trainer equipped with flywheel and resistance enables one to engage in an activity similar to rowing with all its associated health benefits and risks. References Dynamics: . . . . . . Aerobics: . . Shivayogi Hiremath . . . . Ergonomics: . . . Citations Conferences Web pages External links Wheelchair trainer roller system designed and manufactured in the UK Typical US made ramp and roller wheelchair trainer with frictional resistance and without directionality British made low profile ramp & roller trainer with frictional resistance and without directionality High end motorized French made research wheelchair trainer/ergometer with directionality and camber adjustment Exercise equipment Chairs Wheelchairs