BACK EXTENSION – GHR & 45º
YOUTUBE SHORTS
- Single Leg 45º Back Extension – Contreras
INSTAGRAM VIDEOS
- Hip Extension using BB in Rack – Harden – Chiro
YOUTUBE VIDEOS
- Back Extension or Back Flexion on 45 Degree Bench – Joe Bennett
- Straight Leg on GHD . T-Nation
- Straight Leg 45 Degree Bench . Priority