2022
DOI: 10.1097/md.0000000000031790
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Single leg drop jump performance identifies functional deficit in collegiate athletes who have returned to sports after ACL reconstruction: A case–control study

Abstract: Despite its apparent functional importance, there is a general lack of data in explosive strength in individuals recovering from an anterior cruciate ligament reconstruction (ACLR). Hence, we wonder if single leg drop jump (SLDJ) can be an effective testing since drop jump is a commonly used testing which rely on adequate development of explosive strength and stretch shortening cycle function. The purpose of this study was to determine if SLDJ test can identify functional deficit in collegiate athletes who hav… Show more

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Cited by 8 publications
(9 citation statements)
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“…Eight meta-analyses of eight studies (24,26,50,52,56,59,67,71) were analyzed for unilateral DVJ metrics. Reconstructed limbs showed lower jump heights (SMD = −0.86, 95% CI = −0.97, −0.75), RSI (SMD = −0.85, 95% CI = −1.05, −0.65), and longer contact times (SMD = 0.26, 95% CI = 0.08 to 0.43) than uninjured contralateral limbs.…”
Section: Resultsmentioning
confidence: 99%
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“…Eight meta-analyses of eight studies (24,26,50,52,56,59,67,71) were analyzed for unilateral DVJ metrics. Reconstructed limbs showed lower jump heights (SMD = −0.86, 95% CI = −0.97, −0.75), RSI (SMD = −0.85, 95% CI = −1.05, −0.65), and longer contact times (SMD = 0.26, 95% CI = 0.08 to 0.43) than uninjured contralateral limbs.…”
Section: Resultsmentioning
confidence: 99%
“…2). However, caution should be applied when interpreting these results as only one study (56) with a small number of participants (nine ACLR and nine controls) included data from beyond 45 wk for all six meta-regressions. Further longitudinal studies with long-term follow-up are needed to establish if unilateral DVJ performance measures show an ability to recover after ACLR.…”
Section: Discussionmentioning
confidence: 99%
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“…Vertical jump tests are widely used to assess functional ability by measuring explosive strength, power, and reactivity [ 10 , 11 ], and demonstrated superior reliability in detecting functional deficits related to pathology compared to horizontal hop tests [ 10 , 11 ]. More recently, the role of the drop jump as a reliable tool to assess deficits in proprioception and balance following ACL reconstruction has been investigated [ 12 ]. It has been reported that explosive strength and propulsion force differences between limbs persist among athletes resuming sporting activities after ACL surgery [ 12 ].…”
Section: Introductionmentioning
confidence: 99%
“…More recently, the role of the drop jump as a reliable tool to assess deficits in proprioception and balance following ACL reconstruction has been investigated [ 12 ]. It has been reported that explosive strength and propulsion force differences between limbs persist among athletes resuming sporting activities after ACL surgery [ 12 ]. Deficits in drop jump landing ability have also been linked to fear of reinjury and kinesiophobia [ 13 ].…”
Section: Introductionmentioning
confidence: 99%