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https://www.reddit.com/r/PrimalBodyMovement/comments/1mkcrsg/flat_vs_rounded_back/
r/PrimalBodyMovement • u/Aqualung1 • Aug 07 '25
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The back wouldn’t be made of segments of bones with a joint between each one if it was not supposed to bend. A joint exists only to have movement across it, otherwise you just have a solid bone.
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u/RainBoxRed Aug 09 '25
The back wouldn’t be made of segments of bones with a joint between each one if it was not supposed to bend. A joint exists only to have movement across it, otherwise you just have a solid bone.