64-Year-Old Susan Clarke Completes 60 Handstand Push-Ups, 81 GHD Sit-Ups, and 108 Box Jumps in 10 Minutes. | The CrossFit Games

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GHD sit-ups: an advanced version of a sit-up as it requires greater range of motion & more core strength. Watch video for details & important points for set up position. Starting with the abmat sit-up is a great way to build core strength, from there you can move to the GHD & go to parallel as that will slowly increase the range of motion & get you more comfortable with it. #roguefitness #core #letsgaux #ryourogue #justgaux #strength #ghd #fitness #coaching #celestebyma #fittok #vegas #lasvegas

"When coaching the GHD sit-up, we cue for the athlete to sharply extend the legs while coming up. The difference is obvious to everyone watching when rectus femoris kicks in. Those who have identified the GHD sit-up and other feet-anchored sit-ups as a source of low-back pain seem to always pull with the iliopsoas alone and never use rectus femoris. Those who’ve had problems with low back pain from GHD or roman chair sit-ups will find considerable relief by training to use the full complement of