Paralympic Games stripped after his positive drug test. At the 2010 Winter Paralympics in Vancouver, Swedish curler Glenn Ikonen tested positive for a banned substance and was suspended for six months by the IPC. He was removed from the rest of the curling competition but his team was allowed to continue. The 54-year-old curler said his doctor had prescribed a medication on the banned substances list. Another concern now facing Paralympic officials is the technique of "boosting". Athletes can artificially increase their blood pressure, often by self-harming, which has been shown to improve performance by up to 15%. This is most effective
Technological changes at the Paralympic Games to steering racing wheelchairs, by using the handlebars, the compensator or by doing a wheelie. The wheelchairs used at the beginning of wheelchair racing were slightly modified everyday chairs. Modern racing wheelchairs are made of advanced materials such as titanium and carbon fiber and have a significant amount of research and development behind them into factors such as rolling resistance and aerodynamics. Technological changes at the Paralympic Games Technological changes at the Paralympic Games have had major impacts on the types of sports that are played and how those sports are played. Assistive technology in sports can be “low-tech” or