Improve Verticle Jump 1.0
o avoid the dreaded jumper's knees, ice them after every workout. A convenient way to do this is with ice wraps, stored in the freezer.
The most important rule of thumb to remember is to listen to your body. If something doesn't feel right, consult a licensed medical professional. So long as you are recovering completely after every work out, using a spotter for heavy lifting, and just using common sense in realizing that gains come over time, you should be seeing improvements without worrying about your health.