This is a great challenge to take you into the new year and a good exercise to look at the explosive power in your legs.
Over the last few years lots of gyms and got more plyobox's available for you to use.
Depending on how kind they are will mean they either have the softer foam boxes or the hard wooden box more metal step, which are likely to leave you with some nice cuts or bruises is you misjudge the height you're jumping.
Who has seen the exciting news yesterday, when it was announced that the Obstacle Course Racing World Championships is going to be held in the UK for 2018!
