Hollow and Arch Positions - Paradiso CrossFit Gymnastics - YouTube
HOW TO PERFECT YOUR HOLLOW AND ARCH – Power Monkey Fitness
Movement Demo | Arch Rock - YouTube
Gymnastics: Arch Rocks – CrossFit One World
Arch Rocks - 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
Arch Rock | Men's Health
CrossFit NCR
I tried the 3-minute CrossFit kipping exercise every day for a week — here are my results | Tom's Guide