We store small pieces of information in your web browser so our website can do things like recognise who you are after you've logged in.
Please confirm you agree to us doing this under the EU's GDPR regulations.
We've created a library of exercises to help you get stronger, happier and healthier.
• With the box in front of you , flex your legs untill being in a squat position • proceed to a explosive extention of your legs to be able to jump on the box