How to perform hollow rocks:
-Squeeze lower back into the floor;
-Lift up the shoulders;
-Lift up the feet and point the toes, legs straight;
-Rock from head to toe while keeping core tight.
-Squeeze lower back into the floor;
-Lift up the shoulders;
-Lift up the feet and point the toes, legs straight;
-Rock from head to toe while keeping core tight.
