HIIT involves vigorous bursts of exercise interspersed with short rest periods vm/E+/Getty Images
High-intensity interval training (HIIT) is safe for people who have had a heart attack or other cardiac event and may improve their fitness faster than conventional rehabilitation exercise programmes, according to a clinical trial.
In many countries – including the UK, US and Australia – individuals who have had a cardiac event can be referred to cardiac rehabilitation programmes, which are designed to improve heart health via exercise training and lifestyle education.
To avoid putting too much strain on the heart, these …