Abstract
Background The postural stability is a major factor that helps prevent developing knee osteoarthritis with aging. The aim of this study was to investigate the effects of Baduanjin qigong on postural control and physical function in older adults with knee osteoarthritis. Methods Fifty-six individuals over 60 years of age with knee osteoarthritis were randomly assigned to either an experimental group (n = 28) or a control group (n = 28). Participants in the experimental group received a 12-week Baduanjin training, while those in the control group did not receive any additional physical exercise during the study period. The postural control was quantified by perimeter and ellipse area of center of pressure movement trajectory. The assessments were conducted three times (baseline, week 8, and week 12). Results The perimeter and ellipse area with both open- and closed-eyes conditions and Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) function were significantly improved at week eight in the experimental group (p < 0.005). The ellipse area with open-eyes condition, WOMAC index, and stiffness and physical function domains were significantly decreased after the 12 weeks of Baduanjin training compared to the control group (p < 0.005). Only the perimeter area with both open- and closed-eyes conditions was not statistically significant at week 12 in the intervention group (p > 0.005). Conclusions Baduanjin is an effective and adjuvant therapy for older adults with knee osteoarthritis. Regular Baduanjin training can improve postural control and WOMAC function of old individuals with knee osteoarthritis. More advanced techniques and biopsychological measurements are required for further understanding of Baduanjin exercise in this population. The trial was registered in Chinese Clinical Trial Registry (ChiCTR-IOR-16010042).
Highlights
Knee osteoarthritis (KOA) is one of the most commonly occurring degenerative joint illnesses among people over 60 years old, and it commonly causes pain, poor balance, disability, and increased risk of falling [1]
Data from the 2017 National Longitudinal Survey has indicated that nearly 8% of the older Chinese population were diagnosed with symptomatic KOA, with people living in rural areas of China being twice as likely to have increased risk of all-cause-mortality primarily caused by decreased postural stability or balance-associated outcomes [3]
Study Design. is study was a pilot randomized controlled trials (RCT) investigating the effects of BD on postural stability among KOA patients over 60 years old. e procedure and results of this study were in line with the Consolidated Standards of Reporting Trials (CONSORT) guidelines [19]
Summary
Knee osteoarthritis (KOA) is one of the most commonly occurring degenerative joint illnesses among people over 60 years old, and it commonly causes pain, poor balance, disability, and increased risk of falling [1]. Data from the 2017 National Longitudinal Survey has indicated that nearly 8% of the older Chinese population were diagnosed with symptomatic KOA, with people living in rural areas of China being twice as likely to have increased risk of all-cause-mortality primarily caused by decreased postural stability or balance-associated outcomes [3]. Its entire choreographic form consists of eight movements performed at a slow pace in coordination with rhythmic breathing, mental focus (on muscle and movement sense), and meditative state of mind [5]. Such culture-specific exercise can spark the interest of Chinese older adults, especially this age group who suffer from chronic diseases [6, 7]. Results from a recent systematic review of randomized controlled trials (RCT) showed the beneficial effects of BD-based interventions compared to controls in three domains of WOMAC (pain, stiffness, and physical function) [11]
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