Abstract

Context:Little research has been done evaluating the effects of muscle soreness on a lifting task.Objective:To examine the effects of delayed-onset muscle soreness (DOMS) in the thigh musculature on kinematic and kinetic variables associated with the squat-lifting technique.Design:Pretest–posttest repeated measures, with treatment as the independent variable (DOMS and no DOMS of the thigh musculature).Setting:Research laboratory.Participants:Twenty healthy college students.Intervention:Subjects were videotaped lifting a 157-N crate before and after DOMS inducement.Main Outcome Measures:A 2-dimensional sagittal-plane video analysis was used to calculate 7 kinematic and kinetic variables.Results:DOMS had no effect on L5/S1 torque and shear or compression, hip torque and range of motion, or knee torque and range of motion during lifting.Conclusions:DOMS does not appear to alter kinematic and kinetic variables associated with the squat-lifting technique.

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