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GHD Sit Ups

0:00 - 0:47 - How to use the GHD

0:48 - 1:02 - GHD Two Leg Sit Up

1:03 - 1:15 - Don't do this! 

1:16 - 1:37 - GHD Assisted One Leg Sit Up

1:38 - 1:54 - GHD One Leg Sit Up

1:55 - 2:28 - GHD ISO Hold (Isometric)

2:29 - 3:19 - GHD Weighted Sit-ups