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Normative Data for Hop Tests in High School and Collegiate Basketball and Soccer Players.  

Authors: Myers BA, Jenkins WJ, Killian C, Rundquist P

Objective, reliable, and valid functional tests may assist with the decision-making process for rehabilitation as well as in pre-participation screening for targeted interventions in order to prevent noncontact lower extremity injuries. The purpose of this study was to determine normative values in high school and collegiate basketball and soccer players for four hop tests: the single hop for distance, the triple hop for distance, the crossover hop for distance, and the 6-m timed hop. Significant differences in test performance were found between sexes and levels of competition, p < 0.0005, with males performing better than females and collegiate athletes performing better than high school athletes for all hop tests. There were no clinically relevant differences between athletes of varied sports. There were also no clinically relevant differences between dominant and non-dominant limbs. Normative values for each hop test were proposed, based on sex and level of competition.  These findings indicate that separate hop test standards should be used based on participant sex and level of competition. While some statistically significant differences were found between limbs, these differences did not appear to be functionally or clinically relevant. Further studies are needed to determine if sport-specific normative hop test values should be utilized and to examine normal limb symmetry indices in specific populations.

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