Team CrossFit - Hollow rock and variations/scales - YouTube
Hollow Rock Hold - Tips on Proper Form and Common Mistakes to Avoid
Hollow Rock - YouTube
Saturday PowerAbs! Hollow Rock Circles Get a total of 8 Each Way. Rest as needed. This will work work your abs, transversus abdominus, obliques, and... | By Kari Pearce CrossFit Games Athlete | Facebook
Entdeckt hier den "Hollow Rock"! Super effizient für ein perfektes und umfassendes Bauchmuskel-Training!
CrossFit | 190501
Guía Crossfit (XX): Hollow rocks o balanceo en hollow
Hollow Rocks - Grace Brown Fitness and Personal Training
5 RFT: Runs and Deadlifts & Checkout: 3 RFT: Hollow Rocks and AbMat Sit-ups – SNORIDGE CROSSFIT