4S Construct
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Smoothness

Shoulder smoothness is another essential element for normal shoulder function. Loss of smoothness leads to some common, but treatable conditions. Continue reading
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Stability

Anyone who has placed a golf ball onto a tee knows how easy it is to dislodge the ball from the shallow surface of the tee and see the ball drop to the ground (often followed by laughing members of the foursome reminding you – “That’s One”). Concavity Compression The hip joint is a deep… Continue reading
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The “4 S” Framework

The 4 pillars of normal shoulder function relate to stability, strength, smoothness, and stiffness. Continue reading


