Quadriceps rate of torque development and disability in individuals with anterior cruciate ligament reconstruction

Clinical Biomechanics
Hope C DavisBrian Pietrosimone

Abstract

The purpose of this study was to determine associations between self-reported function (International Knee Documentation Committee Index), isometric quadriceps strength and rate of torque development in individuals with a unilateral anterior cruciate ligament reconstruction. Forty-one individuals [31% male, BMI mean 25 (SD 4) kg/m2, months post anterior cruciate ligament reconstruction mean 49 (SD 40)] completed the self-reported function and isometric quadriceps function testing. Rate of torque development was assessed at 0-100ms (early), 100-200ms (late) ms, and peak following the onset of contraction. Associations were examined between rate of torque development, strength, and self-reported function. Linear regression was used to determine the unique amount of variance explained by the combination of rate of torque development and strength. Higher rate of torque development 100-200ms is weakly associated with higher self-reported function in individuals with a unilateral anterior cruciate ligament reconstruction (r=0.274, p=0.091); however, rate of torque development 100-200ms does not predict a significant amount of variance in self-reported function after accounting for strength (ΔR2=0.003, P=0.721). Quadriceps strength ha...Continue Reading

Citations

May 23, 2018·The Journal of Orthopaedic and Sports Physical Therapy·Brittney A Luc-HarkeyBrian Pietrosimone
Dec 7, 2019·Medicine and Science in Sports and Exercise·Hope C Davis-WilsonBrian Pietrosimone
Jun 2, 2020·Scandinavian Journal of Medicine & Science in Sports·Juha-Tapio TurpeinenPer Aagaard
Feb 3, 2021·Physical Therapy in Sport : Official Journal of the Association of Chartered Physiotherapists in Sports Medicine·Luca MaestroniPaul Read

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