Abstract
This review intends to explore the impact of high interval level of exercise intensity on physical fitness in cardiac rehabilitation. Specifically, this paper aims to determine if a high-intensity interval aerobic exercise is as effective as a moderately intense aerobic exercise programme for producing improvements in fitness level. Although numerous studies have emerged in the past decade revealing the advantages of high-intensity interval aerobic exercise for cardiac rehabilitation, this paper will review this question and will also provide novel information related to its effect and safety issues in patients with cardiovascular disease. Information gained from this review is believed to allow for more individualised and appropriate exercise prescription for cardiac rehabilitation programmes, as well as promote greater consistency and clarity related to the fitness of varying levels of exercise intensity.
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