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.
ECU Tendonitis. ECU tendonitis is the result of inflammation of the ECU tendon. This condition is most common in nonathletes, and generally occurs without an obvious cause. Sometimes patients with ECU tendonitis have symptoms that occur following a traumatic injury, such as a wrist fracture, but the most common scenario is without an obvious source. Signs of ECU tendonitis include: Tenderness directly over the ECU tendon