
Purpose. Build trunk bracing endurance and teach a neutral spine under load.
How it fits the system. A beginner-level anti-extension isometric entry in the Functional Training section, programmed to develop trunk stability. Related work in the library: Reverse Crunch and Bear Plank Shoulder Tap.
Rectus Abdominis, Transverse Abdominis
Obliques, Gluteus Maximus, Serratus Anterior
Anti-Extension Isometric
Mat
Beginner
Popular



