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Sports Medicine: Wrist Management: Prevention of Wrist Injuries in Tennis Players

Todd S. Ellenbecker, MS, PT
Chairman USTA Sport Science Committee
Clinic Director Physiotherapy Associates Scottsdale Sports Clinic
Scottsdale Arizona

The repetitive demands placed upon the wrist of elite players frequently lead to injury.  Loads placed upon the wrist can result in the development of tendonitis in the muscle tendon units that cross the joint and provide both stability and movement of the forearm wrist and hand.  Additionally, stress fractures, ligament sprains, and tears in the cartilage at the end of the forearm bone (ulna) can also occur and limit performance. 

Several important factors can be applied to prevent wrist injuries.  The first and most important is the use of proper technique.  Articles in this newsletter profile the changes in position in the wrist and forearm with different grips.  Players using extreme grips place their wrist and forearm in positions that place additional stress on the muscles, tendons, and ligaments and can predispose them to injury.  Additionally, the use of the wrist and hand as primary force generators also can lead to injury.  The wrist and hand must be viewed as links in the kinetic chain whereby large forces generated from the ground, lower extremity and trunk are transferred.  The reasonably delicate tendons crossing the wrist cannot be asked to generate the forces required for powerful strokes in tennis without injury occurring.  Other factors in preventing wrist injury are to increase strength and range of motion using specific exercises which will form the basis for discussion in this article.

The muscles that control forearm, wrist and hand movement actually originate near the elbow joint.  Hence, strengthening the wrist involves the use of exercises typically thought to increase elbow strength and prevent tennis elbow.  These exercises include isolated wrist flexion and extension (figure 1 & 2), and wrist radial and ulnar deviation (figure 3 & 4).  Use of these 4 exercises will stimulate muscle development of virtually all the muscles that support the wrist joint.  Note that the forearm is stabilized during the performance of the wrist flexion and extension exercises, and that the radial and ulnar deviation exercises are done in standing using one end of the weight to produce a bit of a counter-balance.

Start by using three sets of 15 repetitions of each exercise.  Typically a 3-5 pound weight will produce fatigue of these muscles initially, or light to medium resistance elastic tubing which is easier for players to travel with.  Avoid doing these exercises immediately before playing tennis as pre-fatiguing the muscles prior to play is not recommended. 

An additional exercise that can also improve the strength and endurance of the wrist and forearm muscles is the ball dribble (figure 5 above).  Dribbling a basketball or exercise ball first against the floor and then against a wall at approximately eye level rapidly for 30 seconds or more creates significant fatigue of these muscles.  Performing these exercises should be a regular part of a tennis players program. 

In addition to the strengthening exercises, stretches to ensure optimal range of wrist motion are important.  Research has shown that tennis players often lose elbow and wrist motion on their dominant side from long-term play.  Stretches to improve the flexion and extension of the wrist can be done with the elbow in an extended (straight) position in front of the player.  Bending the wrist downward (with the palm down) and rotating the fingers outward using the other hand stretches the muscles on the top side of the wrist and forearm, while repeating a stretch with the elbow straight and hand in the palm up position bending it downward and rotating the forearm inward will stretch the muscles on the underside of the forearm.  Holding each stretch for 15-30 seconds will help to maintain and even improve wrist range of motion.  Remember it is very important to stretch after you play when the muscles are very warm and optimal gains in flexibility can occur.

Following the simple use of exercises to increase wrist and forearm strength and endurance as well as flexibility exercises to prevent range of motion restrictions in the wrist can help to minimize the risk of an injury from the demands of repetitive tennis play.  Coupled with proper stroke mechanics, these exercises can help to enhance performance.

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