Abstract
1464 The purpose of this study was to analyze elbow flexion/extension strength in the dominant and non-dominant arm of elite junior tennis players. Concentric elbow flexion and extension strength measurements were obtained on 38 elite junior tennis players. (19 males, 19 females) (age range 13-17) using a Cybex 6000 isokinetic dynamometer at speeds of 90, 210 and 300 deg/sec. Five maximal reps were used at each speed for data collection. A dependent t-test was used with significance set at the (.01) level. Significantly greater dominant arm elbow extension strength was measured for both peak torque and work at all three speeds for males, and in peak torque at 210 and 300 deg/sec. for females. No significant difference was measured between extremities in elbow flexion strength. Elbow flexion/extension ratios were generated and ranged between 84-96 percent for the dominant arm, and 97-107 percent for the non-dominant arm. These data indicate sport specific adaptations on the dominant upper extremity in elite junior tennis players. Data from this study are applicable for both injury prevention and rehabilitation of tennis players.
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