The GHD Sit Up
In the CrossFit community the GHD Sit Up is officially called the “Glute-Ham Developer Sit Up” but unofficially you might dub this the “ab crusher.” It is a powerful movement that should be approached with caution but shouldn’t be removed from your training.
When this sit up is done correctly, lowering down and then forcefully contracting the quads, straightening the legs and essentially whipping yourself back up right, little or no pressure will put on the low back and the abdominals will get a mighty good workout. What’s amazing about the GHD Sit Up is that during the actual movement, your legs seem to be doing most if not all of the work. In reality, while your legs are working hard and your hip flexors are helping to draw the spine up, it is the abdominals that actually stabilize and bring the torso upright and get the biggest workout.
For those of you who have done GHD Sit Up, the days post WOD are brutal. This particular sit up is a huge contraction of the anterior chain since the body goes past horizontal and is unmatched by any regular sit up. Not only does this movement work the Rectus Abdominis or “six pack abs,” but the Transverse Abdominis as well, which is key in stabilize the core for other movements like Front Squats or Snatches.
These 5 Post CrossFit Yoga Poses for GHD Sit Ups are meant to gently stretch the abdominals to restore normal flexibility and movement back into the anterior chain. Some of these poses might not be accessible because of soreness but do the ones you can.