General Principles:
► Spine neutral as possible, with slight “extension” of the lumbar and mid back regions. (Never rounded or slouched forward).

► A FULL range of motion is a function of the protraction and retraction of the scapula(shoulder blades) NOT just an arm movement.

► The arm moves as an extension of the shoulder movement.

► The shoulders are “depressed”(pressed down, as if pushing toward your hips), and retracted(pulled back as though pinching shoulder blades together) in any
movement, when contracting the back muscles.

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