Intensive workout form where you change interval load at posts given in advance and rest. Usually there are three or four rounds counting with eight and up to sixteen posts. Load and rest interval is set on purpose in order to fulfill the aim of the training. Within the class you will get use your own bodyweight as well as attractive tools such as TRX, Bosu, Ian, medicine balls, kettle bells, tyres, dumbbells made from natural materials and many others.