Abstract
Objective: To determine and compare the 2-minute step test (2MST) scores among different body mass index (BMI) of elderly subjects and to predict the cardiorespiratory performance in community-dwelling older adults. Materials and Methods: Ninety subjects, aged 60 or older were assigned for cardiorespiratory performance using the 2MST. Results: There were significant differences in the 2MST scores among normal weight, overweight, and obese elders. The lowest score of the 2MST was found in obese elders when compared with normal weight and overweight elders. Moreover, BMI was negatively correlated with the 2MST (r=–0.83, p<0.05). Conclusion: Community-dwelling obese elders had decreased cardiorespiratory performance, and BMI was negatively correlated with cardiorespiratory performance in obese elders. Keywords: 2-minute step test; Body mass index; Elderly; Cardiorespiratory performance; Physical therapy
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