Cross-Train! How To Build A CrossFit Plyo Jump Box With A Single Sheet Of Plywood

February 3, 2015 — 2 Comments

DIY CrossFit Jump BoxBuild a CrossFit plyometric jump box and you are either going to have legit piece of garage-style fitness equipment, or you will have a killer place to sit down in between sending (or trying to send) difficult problems at the home climbing wall. At our wall there is a lot of standing around looking dazed during the lull between climbing attempts–something I am hoping to change. 

Chances are your fingers and forearms are getting the biggest workout if you built your wall steep like you should have. Until those muscles turn into a seasoned pieces of unstoppable gristle they are probably giving out way before the rest of your body gets the workout it deserves. To curb this misfortune I have started adding some cross-training equipment to the gym, so the rest of the body can receive equal torture.

This video tutorial shows how to make a three-heights-in-one plyometric jump box using a single sheet of 3/4 inch plywood and some screws. I chose this design because it is one of the few I could find that didn’t require building an inner framework of studs, but instead relies on a single internal plywood bracing to add strength. Faster, easier, lighter. By rotating the box onto its different sides you get three leg-burning heights: 20 inches, 24 inches, and 30 inches. If you’ve never done a jump box workout hop on Youtube for some instruction.

Oh, and did I mention these make a great standing platform to set those last couple of holds on the new bouldering problem? Sorry ladder.

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2 responses to Cross-Train! How To Build A CrossFit Plyo Jump Box With A Single Sheet Of Plywood

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