Abstract
High-intensity interval training (HIIT) has been reported to become an alternative of moderate-intensity continuous training and adapted even in older adults. However, to implement the use of HIIT for older adults, who are very often associated with life-style related and chronic diseases, safety issues should be considered in the first place. However, at present, the evaluation of the safety of HIIT among older adults is compromised by the limited availability of relevant data due to the low proportion of studies reporting adverse events. In this review, update data regarding safety and check-up methods for older adults are described in submaximal HIIT and spring interval training.
Highlights
The importance of vigorous exercise to improve maximal oxygen consumption (VO2max) and resultant decrease of mortality and morbidity have been emphasized; the key of exercise protocol is the intensity [1]
If at least a small amount of highintensity training lacks, the progressive loss of muscle mass and associated function with aging and weight gain will worsen the deleterious course of aging [2], [3]
To optimize the use of High-intensity interval training (HIIT) for older adults, who are very often associated with life-style related and chronic diseases, safety issues should be considered in the first place
Summary
The importance of vigorous exercise to improve maximal oxygen consumption (VO2max) and resultant decrease of mortality and morbidity have been emphasized; the key of exercise protocol is the intensity [1]. Compared with participants with complete lacking of high-intensity training, those performing >50% to 75% of vigorous physical activity to total physical activity showed a 17% lower allcause mortality, independent of total moderate to vigorous physical activity [1]. If at least a small amount of highintensity training lacks, the progressive loss of muscle mass and associated function with aging and weight gain will worsen the deleterious course of aging [2], [3]. High-intensity interval training (HIIT) has been reported to become an alternative of moderate-intensity continuous training (MCT) [4] and adapted even in older adults [5]-[8]. To optimize the use of HIIT for older adults, who are very often associated with life-style related and chronic diseases, safety issues should be considered in the first place
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