Abstract
(1) Background: Knee osteoarthritis causes pain, weakness, muscle atrophy, and disability. The application of whole-body vibration in patients with knee osteoarthritis can improve strength, balance, and functional activities. The purpose of the study is to evaluate the effects of early whole-body vibration intervention in patients after total knee arthroplasty. (2) Method: A single-blinded randomized control trial. Fifty-two patients with knee osteoarthritis post total knee replacement from a medical center in southern Taiwan were randomly assigned to either a whole-body vibration group or control group. Main outcome measures included pain severity, leg circumference, knee range of motion, knee extensor strength, a five-times sit to stand test, and a timed up and go test. (3) Results: Immediately post treatment, the patients in the vibration group showed a significant increase in knee extensor strength and improvement in calf swelling compared to the control group. A trend toward decrease in pain severity and improvement in functional performance were observed in both groups without a significant difference between the groups. There was no significant difference in knee range of motion (ROM) and functional performance between the groups. (4) Conclusions: The whole-body vibration intervention in patients early post total knee arthroplasty showed significant immediate effect in increasing knee extensor strength and decreasing calf swelling.
Highlights
Knee osteoarthritis (OA), a degenerative joint disease, is a leading cause of disability in developed countries [1]
Advanced knee OA treated with total knee arthroplasty (TKA) could effectively reduce pain, help patients return to activities of daily living, restore mechanical alignment, and preserve the joint lines [5,6]
49 participants were enrolled, where participants were allocated to the control group, and participants were allocated to the Whole Body Vibration (WBV) group
Summary
Knee osteoarthritis (OA), a degenerative joint disease, is a leading cause of disability in developed countries [1]. The prevalence of knee OA increases with age, especially in women. Symptomatic knee OA results in arthralgia, joint stiffness, and limited joint range of motion (ROM), leading to muscle weakness in the lower extremity, disability, and limitation in activities of daily living in the elderly population [2]. Clinical managements for knee OA include pharmacological treatments with oral painkillers, intra-articular corticosteroids, intra-articular hyaluronic acid injection and non-pharmacological managements with transcutaneous electrical nerve stimulation, aerobic exercise, resistance exercises of lower limbs, proprioception training, and weight control [3,4]. Advanced knee OA treated with total knee arthroplasty (TKA) could effectively reduce pain, help patients return to activities of daily living, restore mechanical alignment, and preserve the joint lines [5,6]
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