The value of the vertical jump is that it show's a player's ability to burst off the line of scrimmage with lower body strength. That's why the drill is important for linebackers and defensive linemen despite the fact that they, in theory, are not jumping around much trying to defend passes.
Wrist tendonitis, also called tenosynovitis, is a common condition characterized by irritation and inflammation of the tendons around the wrist joint. Many tendons surround the wrist joint. Wrist tendonitis usually affects one of the tendons, but it may also involve two or more.
Tendinitis, which is sometimes spelled tendonitis, is an inflammation of a tendon, which is the thick fibrous cord that connects muscles to bones. Tendinitis can occur anywhere in your body, but it most commonly appears in the shoulders, knees, wrists, and heels. You may have a limited range of motion in the affected area, including a decreased mobility. 2  You can treat mild pain with an NSAID (nonsteroidal anti-inflammatory drug) for 5-7 days. 3  If your pain continues past this point, consult with your doctor.