MuscleWiki Logo
Primary
Secondary
Tertiary
Difficulty
Novice
Force
Push
Mechanic
Compound

Simplify your workout, anywhere

Download MuscleWiki Mobile for Fitness on the go

musclewiki_qrcode
Stand in front of a low box.
Bring one foot to the edge of the box and alternate as quickly as possible.
Only lightly tap your feet to the box.