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Unified Health & Performance Continuum Model

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scapular muscles

Q & A for The 16% – Rotator Cuff and Scapular Muscle Activity – Yielding and Overcoming Represented

March 17, 2020 By Bill Leave a Comment

Question: I was just reading through “The role of shoulder muscles is task-specific” by Boettcher et. al (2010, Journal of science and medicine in sport) which found that in 90 degrees of shoulder abduction: – trapezius and serratus EMG activation increased with isometric external rotation – trapezius and serratus activation dropped to nearly zero with […]

Q & A for The 16%… A Simple Exercise for Upper Back Posture (Dorsal-Rostral Expansion)

January 20, 2020 By Bill Leave a Comment

Question: What is the best strategy for one to achieve dorsal rostral expansion without creating and excessive thoracic kyphosis or spinal bending? In this video: A simple exercise that allows you to feel the focused dorsal-rostral expansion that helps improve posture and shoulder range of motion. In many cases, the inability to achieve the desired […]

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