↻ drag to rotate
core stability · advanced · mat
Hollow-Body Rock
anterior corehip flexorstrunk rigidity
0.0s / 3.7s
Working now
Rectus Abdominis
30%
Trans. Abdominis
30%
Hip Flexors
15%
Quads
10%
Trans. Abdominis 30% — deep, not shown on the figure
Sets
2–3
Reps
8–12 rocks
Hold
continuous rhythm
Rest
60 sec
Earn it with a 20-second hollow-body hold first — the rock punishes any break in the shape.