Muscle-ups are a technical, highly advanced movement that few people will ever be able to perform. For 61-year-old Antony, the calisthenics athlete behind the Instagram account @fun_with_calisthenics_ ...

'I have two workout programmes,' Antony says. 'Heavy and volume. But I try to spread them over four or five days. Consisting of weighted pull-ups and chin-ups, weighted dips, back squats and ...