Is the GHD Still Useful?

Here are five exercises to fire up that glute-hamstring combo.

There was a time GHDs (glute-ham developers) were used in 10,000 CrossFit gyms around the world—predominantly for GHD sit-ups, a movement that demands that you go into massive spinal extension before propelling yourself back up with your glutes and hamstrings.


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Source: Fitness Life Nutrition

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