Side Hollow Body

This video demonstrates the side hollow body.

This movement is valuable to help coordinate the inward compression of the abdominals with the engagement of the muscles of the "posterior seam" (glut.max., adductor magnus, hamstrings).

In supine, gravity promotes resistance to the closure of the anterior ribcage during exhalation making inward compression difficult. In quadruped and plank positions, the weight of the internal organs provide resistance to this inward movement.

The sidelying position, on the other hand, allows for increased ease in compressing the abdomen inward due to its relationship to gravity. In this position, gravity and the floor assist the compression of the lateral ribs inward. While gravitational resistance to the inward movement of the abdomen is minimized due to its perpendicular relationship.

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Be well,

Chris