Effects of lower limb vibration on hip pain and function after total hip arthroplasty: A randomized controlled trial
Abstract
BACKGROUND
A vibration roller is an effective tool for reducing muscle soreness and improving damaged muscle function. However, its efficacy in reducing hip pain and improving function after total hip arthroplasty is unclear. We investigated the effect of lower limb vibration using a vibration roller on postoperative hip pain and function after total hip arthroplasty in a randomized controlled clinical trial.
METHODS
Thirty patients scheduled for total hip arthroplasty were randomly assigned to vibration and control groups. The patients in the vibration group performed lower limb vibration using a vibration roller. The patients in the control group performed sham therapy using a hot pack. Patients performed both interventions for 10 min daily on postoperative days 1-7, in addition to regular physical therapy. Primary outcome was hip pain intensity as measured using a visual analog scale. Secondary outcomes were pain-pressure threshold and serum creatine kinase and C-reactive protein levels. We also assessed physical functions, including the Harris Hip Score, range of motion of the hip joint, muscle strength, gait velocity, and timed up-and-go test. The effects of the interventions on outcome measurements in the groups were compared using a split-plot design variance analysis.
RESULTS
After one week of the intervention and three weeks of follow-up, the vibration group showed statistically significant improvement in the exercise-induced hip pain, pain-pressure threshold of…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design.
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