Monday 19 December 2011

Axial Skeleton:Skull to Spine

The axial skeleton includes the skull, the spine, the "rib-cage" and the free floating hyoid bone.

The weight transfer from the skull to the spine is key to postural alignment.

It travels down the bodies of the vertebrae, spreads around the bone of the pelvis through the sacrum, and is transferred to the ground through the legs and feet.

The spinal cord hangs like a tail from the brain, the skull sits on the atlas, transferring its weight anterior to the cord.

The atlas is the only vertebra which can be moved independently from the rest of the spine. The skull can rock forward and backward around its horizontal axis making a "yes" nod.

Like a snake, movement of the spine travles collectively and rhythmically through the whole structure.

Our spine is a progression of alternating curves.

In postural alignment, balance of the spine lives in the mobility of its opposing curves.

Our goal is to have a responsive spine, not a "straight" spine.

The structure of the spine allows 3D mobility so that we can move through the three planes of movement

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