Brian Chontosh of CrossFit's Level 1 Seminar staff highlights the importance of on-ramping an athlete to the GHD sit-up.
Watch Midline Stabilization: The GHD Sit-UpBrian Chontosh of CrossFit's Level 1 Seminar staff highlights the importance of on-ramping an athlete to the GHD sit-up.
Watch Midline Stabilization: The GHD Sit-Up