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| Also known as a wheel or pivot joint, it has an axis with only one direction of movement. This allows the ulna, for example, to be rotated on its [[Distal/en|distal]] side opposite the spoke.   | Also known as a wheel or pivot joint, it has an axis with only one direction of movement. This allows the ulna, for example, to be rotated on its [[Distal/en|distal]] side opposite the spoke.   | ||
| − | https:// | + | https://en.wikipedia.org/wiki/Pivot_joint |