Summary: <p></p> <p></p> <p><a href="http://iws.punahou.edu/user/lcouillard/Arm%20Extension.m4v">Download file</a> (right-click and "save as...")</p> <p>Lee Couillard, USPTA, Head Tennis Professional, Punahou School, Honolulu, HI shows the difference between arm and racket extension at contact. <br> </p>
