Hollow Hold, therapeutic progression

Lower back (lumbar spine) convexly ’rounded’ into the mat (Hollow Position).
Hips and knees both at 90 degrees, with legs together.
Arms in active position alongside the trunk, externally rotated with palms facing up and lats engaged.

Activation and strengthening of the abdominal lower back stabilisers.
Improved awareness and control of lower back positioning in basic movement.