Goodreads helps you follow your favorite authors. Be the first to learn about new releases!
Start by following Richard Hasse.
Showing 1-1 of 1
“great leg exercise is to squat until your knee is at a 90 degree angle and then hold it for 60 seconds. Six or seven of these will really boost your leg strength without grinding away at your knees.”
― 5.0 Tennis Secrets: What You Need to Know to Play Great Tennis
― 5.0 Tennis Secrets: What You Need to Know to Play Great Tennis




