The term "human-powered vehicle" refers to any form of transportation propelled solely by the rider's physical power. There are many synonyms for this type of vehicle, including pedal-powered vehicle, human-powered transport, human-powered vehicle, muscle-driven vehicle, and non-motorized transportation. Other terms include traditional bicycles, tricycles, and quadricycles, as well as newer forms such as recumbent bicycles, handcycles, and velomobiles. In recent years, human-powered transportation has become increasingly popular as people seek alternatives to traditional transportation options. Not only does it offer environmental benefits, it also promotes physical activity and a healthy lifestyle.