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- 2019
LESS THAN HALF OF YOUTH ATHLETES CAN ACHIEVE 90% LIMB SYMMETRY ON A BATTERY OF SINGLE LEG HOP TESTSAbstract: The incidence of anterior cruciate ligament reconstruction (ACLR) in youth athletes is rising. Current rehabilitation guidelines recommend the use of a battery of single leg hop tests (SLHT) to assess performance and assist in return to sport (RTS) decision making. Although there is agreement on the use of SLHT, the level of required limb symmetry varies. Historically, values of 85-90% were acceptable; however, some experts are now advocating for more strict values of 95 to >100%. While higher performance thresholds are logical, and some data suggests reduced potential for reinjury using these more conservative criteria, previous literature shows that <25% of youth athletes can achieve =90% symmetry more than 1 year after ACLR. Furthermore, no studies have reported normal SLHT symmetry among youth athletes, making it difficult to compare post-rehabilitation values to non-injured peers. The purpose of this study was to report limb symmetry in SLHT performance in healthy youth athletes
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