Forearm plank. Glide the carriage forwards and back using shoulders only.
Hold.
1B. Advanced – 1Y.
Down.
Inhale to rock forward, exhale to return to plank.
Develop muscular strength of the transverse abdominis, pelvic floor, multifidus, and obliques. Scapular and pelvic stabilisers.
Foam cover needed.
Progression: No springs.
Regression: More springs or kneeling plank.