One study found that 12 weeks of moderate exercise at 3,000 m was more effective in improving HRV in older men than sea-level (Park et al., 2019). However, another study found moderate heart ...
Data sources Cochrane Central, PsycINFO, Embase, Medline and CINAHL. Eligibility criteria Peer-reviewed, randomised controlled trials, in English (1990–present), which examined the effects of exercise ...