Effectiveness of a Muscle Mass Enhancement Program in Elderly with Osteoarthritis
Keywords:
Elderly with Osteoarthritis, Muscle Mass Enhancement, Physical PerformanceAbstract
This quasi-experimental study aimed to assess the effectiveness of a muscle mass enhancement program for elderly individuals with osteoarthritis. A sample of 30 elderly participants with osteoarthritis was selected through Simple Random Sampling based on specific inclusion criteria. The six-week program promoted self-efficacy, provided a self-care guide for osteoarthritis management and encouraged participants to maintain an activity log. Data were analyzed using descriptive statistics and repeated measures ANOVA to compare changes in muscle mass and physical performance before and after the intervention.
The results indicated a significant increase in muscle mass (p < .05), rising from an average of 16.83 kg (SD = 7.45) pre-intervention to 20.61 kg (SD = 2.99) post-intervention at six weeks. A significant gain of 2.59 kg in muscle mass was observed by week four, with an additional increase of 1.19 kg by week six (p = .04). Physical performance also improved significantly (p < .05), with participants showing an average increase of 15.61 repetitions (SD = 7.22) in the 30-second chair stand test, 148.17 repetitions (SD = 28.15) in the two-minute step test, a 10.46-second reduction (SD = 5.02) in the time up-and-go test, and an 11.67-second improvement (SD = 26.56) in the balance test.
These findings suggest that nurses can effectively implement this program to promote self-care among elderly individuals with osteoarthritis, improving muscle strength and physical function, and potentially delaying further joint degeneration.
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