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 is inflammation or irritation of a tendon in his body. This condition can occur anywhere in the tendon and causes pain and tenderness just outside a joint. Biceps tendinitis involves the biceps tendon, which extends from the shoulder joint to your upper arm.