The libraryStrength

Isometric loading for tendon pain

Over four weeks, holds and ordinary reps left 29 jumping athletes with the same knee pain.

Who it's forSweaters and lifters with a sore knee tendon who can't stop mid-season.

Emergency: call 911.

I am not a doctor. This is not medical advice. This is self-education. Talk to a physician who has your history before you change anything.