A lot of people avoid doing sit-ups because they don’t feel like they have enough core strength to do the move without ...
Stand with your feet hip-width apart and your core engaged. Place your hands lightly on your temples — remember, they should be resting, not pulling your neck during the exercise. Raise one foot off ...
BBC Sport looks inside Tom Aspinall's intense fight camp before his first undisputed heavyweight title defence against Ciryl ...