How to reduce risk of knee injury?

Strengthening: Maintain good strength (quads especially - straight leg raises are a good start)) and flexibility about the knee. Avoid impact activities such as running, especially if you have had prior problems with your knee.

Stay fit.: Stay fit, keep your weight at an appropriate level, and perform stretching and strengthening exercises for your entire lower extremities.

Knees: Injury prevention principles can be useful for any joint. 1. Maintain good muscle tone . 2. Keep good cardiovascular conditioning .3 Don't play or exercise when tired. 4. Avoid doing too much too quickly. Avoid going all out too infrequently (weekend warrior)5. Keep well hydrated . 6. Avoid mind altering substances