The word calisthenics is derived from the ancient Greek words kálos (κάλλος), which means “beauty”, and sthénos (σθένος), meaning “strength”. This form of exercise is the art of using one’s body weight as a means to develop one’s physique and physical aptitude, whilst creating movement shapes which look admirable and inspiring to many. For some, especially in the bodybuilding and powerlifting circles, bodyweight training can be considered a regressed or preliminary form of weight training to prepare for loaded lifting. Today bodyweight training is increasingly recognised as an extreme strength stimulus for all levels of ability, which can exceed the mobility and strength requirements of loaded lifting. Movements such as the planche, one-arm handstands, muscle-ups and levers are examples of extreme strength movements.