gain a performance boost
... that some athletes have been known to break their own toes and electrocute their own testicles to gain a performance boost?
... that some athletes have been known to break their own toes and electrocute their own testicles to <b id="mwAR0"><a href="./Boosting_(doping)" id="mwAR4" rel="mw:WikiLink" title="Boosting (doping)">gain a performance boost</a></b>?