RT Book, Section A1 Lefever, Susan A1 van Duijn, Arie J. A1 Bezner, Janet A1 Shamus, Eric A2 Shamus, Eric A2 Shamus, Jennifer SR Print(0) ID 1142282750 T1 Cycling T2 Sports Injury Prevention & Rehabilitation, 2e YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9781259589416 LK accessphysiotherapy.mhmedical.com/content.aspx?aid=1142282750 RD 2024/11/05 AB Cycling is a many-faceted, popular activity. It is thought that there are as many as 100 million bicyclists in the United States currently, with adults making up one-third of this number. The amateur bicycling league began in 1920/1921 in New York.1 In 1975, the name changed to the Unites States Cycling federation.1 In 1995, USA Cycling was incorporated in Colorado and the two organizations merged into USA Cycling as of today.1 USA Cycling is the official governing body for competitive cycling. This includes road, track, pro, mountain bike, BMX, cyclocross, and collegiate cycling. Membership in the USA cycling was about 54,000 members in 2008 and about 64,000 members in 2013.1 In 2013, there were 2760 clubs, 3107 sanctioned events in the US and 76,046 licenses.1