.....Now picture the number of jumps a skater attempts during a single on-ice training session. That number may be much larger than the number of jumps in the typical plyometric program (and the numbers provided above are in the high range.) Add the number of jumps completed in a second freestyle session, and the difference between the two numbers is much greater. Over training, or attempting too many jumps in a training session can lead to injury. In this discussion, we will focus on the high occurrence of patellar tendonitis, commonly known as ‘jumper’s knee.’.......