Beyond the baseline: Understanding tennis elbow

A few years ago, I was helping with my son’s baseball team. One day, for a routine practice, my role was to hit fly balls for the boys to catch. While I was confident at hitting fly balls, to make things easier for me, I was handed a racquet that, with a fairly easy swing, would launch the baseballs out to the boys. However, after 20 minutes, my elbow was getting sore. More groups of boys nee...