US Patent 7819414 Special needs adaptive tricycle

An apparatus adapted for use as a therapeutic tricycle; said apparatus including in part, a specialized lever system permitting optimal rider center of mass positioning; an optional steering lock out system; an embodiment prescribing optimized apparatus dimensions based upon rider weight to enhance apparatus stability; an improved chain management system; an improved wheelie bar system; a shock absorbing system; the combination permitting enhanced apparatus stability and ability to perform a varied array of maneuvers providing exercise, therapeutic, and recreational advantages which particularly benefit disabled children. A method of exercising tendons and/or heel cords using a specialized adaptive tricycle.