Low- Versus High-Intensity Plyometric Exercise During Rehabilitation After Anterior Cruciate Ligament Reconstruction

The American Journal of Sports Medicine
Terese L ChmielewskiChristiaan Leeuwenburgh

Abstract

Plyometric exercise is used during rehabilitation after anterior cruciate ligament (ACL) reconstruction to facilitate the return to sports participation. However, clinical outcomes have not been examined, and high loads on the lower extremity could be detrimental to knee articular cartilage. To compare the immediate effect of low- and high-intensity plyometric exercise during rehabilitation after ACL reconstruction on knee function, articular cartilage metabolism, and other clinically relevant measures. Randomized controlled trial; Level of evidence, 2. Twenty-four patients who underwent unilateral ACL reconstruction (mean, 14.3 weeks after surgery; range, 12.1-17.7 weeks) were assigned to 8 weeks (16 visits) of low- or high-intensity plyometric exercise consisting of running, jumping, and agility activities. Groups were distinguished by the expected magnitude of vertical ground-reaction forces. Testing was conducted before and after the intervention. Primary outcomes were self-reported knee function (International Knee Documentation Committee [IKDC] subjective knee form) and a biomarker of articular cartilage degradation (urine concentrations of crosslinked C-telopeptide fragments of type II collagen [uCTX-II]). Secondary outc...Continue Reading

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Citations

Nov 18, 2016·The Journal of Bone and Joint Surgery. American Volume·Nitin B JainKristin R Archer
Feb 18, 2017·Orthopaedic Journal of Sports Medicine·Chao-Jung HsuTerese L Chmielewski
Mar 21, 2018·The American Journal of Sports Medicine·Audrey R C EliasRyan L Mizner
Feb 17, 2018·British Journal of Sports Medicine·Chad E CookFrancis Keefe
Feb 9, 2020·Scandinavian Journal of Medicine & Science in Sports·Rodrigo Ramirez-CampilloMikel Izquierdo
Apr 8, 2020·Orthopaedic Journal of Sports Medicine·Adam MeierbachtolTerese L Chmielewski
Jun 14, 2018·The Journal of Orthopaedic and Sports Physical Therapy·Adam MeierbachtolTerese L Chmielewski
Dec 30, 2020·Physical Therapy in Sport : Official Journal of the Association of Chartered Physiotherapists in Sports Medicine·Ashley N Triplett, Christopher M Kuenze
May 2, 2021·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Adam MeierbachtolTerese L Chmielewski
Dec 22, 2021·The Journal of Bone and Joint Surgery. American Volume·Kaycee E GlattkeAnikar Chhabra

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Methods Mentioned

BETA
enzyme-linked immunosorbent assay
ELISA

Software Mentioned

SPSS
SAS

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