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Feasibility and effectiveness of a multimodal exercise intervention on physical activity and physical functions in
Weiyun Chen1, Gary Fisher2, Yilei Cui2
1School of Kinesiology, Univeristy of Michigan, Ann Arbor, Michigan, USA.
Objectives:
This study examined the feasibility and effectiveness of a multimodal exercise intervention on an objective measure of physical activity (PA), and objective and subjective measures of physical functions among older adults living in a low-income senior housing complex.
Methods:
Older adults (mean age = 80.17 ± 6.913 years) residing in a low-income senior housing complex voluntarily participated in an 8-week intervention. The feasibility of the study was assessed throughout the study period. Physical activity and physical functions were measured within two weeks before and after the intervention.
Results:
The recruitment rate was 87.1%, adherence rate 99.2%, and retention rate 85.2%, all surpassing the benchmark of 80%. Similarly, participants reported a very high level of intervention acceptability, with 95.7% indicating approval. Wilcoxon signed ranks test revealed that the participants significantly increased their weekly moderate-intensity PA and moderate-to-vigorous PA over time (Z = -2.403, p = .016; Z = -2.312, p = .021), respectively. Participants demonstrated a significant improvement on Timed Up-Go test, Short Physical Performance Battery (SPPB)-Repeated Chair Stand test, SPPB-Balance test (Z = -3.802, p < .001; Z = -3.256, p = .001; Z = -1.890, p = .059), and self-reported physical function (Z = -2.088, p = .037) over time.
Conclusion:
This intervention study is feasible and acceptable to be implemented among older adults. The intervention effectively improves weekly MPA and MVPA minutes and physical functions.
