Key result
Virtual reality exergaming significantly reduced the hip/ankle activity ratio during the limits of stability test (P<0.05) and fear of falling (P=0.042) in osteoporotic women.
Why the study?
Muscle strength and balance impairment change control strategy and increase fall probability, but the effects of virtual reality exergaming on muscle strategy, fear of falling, and quality of life in osteoporotic women required investigation.
Does 6-week strength-balance training through virtual reality exergaming improve muscle strategy and reduce fear of falling in postmenopausal women with osteoporosis?
RCT (n=20)
randomly allocated
Does 6-week strength-balance training through virtual reality exergaming improve muscle strategy and reduce fear of falling in postmenopausal women with osteoporosis?
p-value: p=<0.05
Virtual reality exergaming is more effective than traditional training in improving muscle activation strategies and reducing the fear of falling in osteoporotic women.
VRE may improve muscle activation timing and reduce fear of falling versus traditional training in osteoporotic women; leaves open larger trials before practice change.
Objective:Muscle strength and balance impairment change the control strategy and increase the probability of falling. This study aimed to investigate the effect of 6-week strength-balance training through virtual reality exergaming (VRE) on muscle strategy during the limits of stability (LOS) test, fear of falling, and quality of life (QOL) in osteoporotic women. Materials and Methods: Twenty volunteer postmenopausal women with osteoporosis were randomly allocated to the VRE (n = 10) and traditional training (TRT as control, n = 10) groups. The VRE and TRT strength-balance training was performed for 6 weeks and three sessions per week. Before and after exercise, the muscle activity (onset time, peak root means square [PRMS]) and hip/ankle activity ratio were assessed by the wireless electromyography system. The muscle activities of the dominant leg were recorded during LOS functional test. The fall efficacy scale and QOL were assessed. Paired t-test was used to compare results within groups, and an independent t-test was used to compare the percentage changes in parameters between the two groups. Results:The VRE improved the onset time and PRMS. The VRE significantly reduced the hip/ankle activity ratio in the LOS test's forward, backward, and right directions (P < 0.05). No significant change was seen in all directions of the LOS functional test in the TRT group (P > 0.05). VRE reduced the fall efficacy scale (P = 0.042). Both VRT and TRT improved the total QOL score (P = 0.010). Conclusion:VRE was more effective in decreasing the onset time and hip/ankle ratio of muscle activation. The VRE is recommended to induce a better ability to reduce the fear of falling and control balance during functional activity in osteoporotic women.Clinical Trial Registration number: IRCT20101017004952N9.
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Gilani et al. (2023) conducted an RCT in osteoporosis (n=20). Virtual reality exergaming (VRE) strength-balance training vs. Traditional training (TRT) was evaluated on Muscle activity (onset time, peak root means square), hip/ankle activity ratio, fear of falling, and quality of life (p=<0.05). Virtual reality exergaming significantly reduced the hip/ankle activity ratio during the limits of stability test (P<0.05) and fear of falling (P=0.042) in osteoporotic women.
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