Up Next in A-Day

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  Reverse Plank on Bench

  Reverse Plank on Bench

  Posterior chain.

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  00:27

  Stationary Walk Outs

  Stationary Walk Outs

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  01:57

  Sled Drive

  Sled Drive

  If your program says high or low, it's referring to how high you place your hands. Fast means use a lighter weight and sprint. Slow means use a weight that is so heavy you couldn't move it quickly if your life depended on it.

  If you don't have a sled at your gym but there's a treadmill, try th...