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. 2015 Apr 15;10(4):e0119470. doi: 10.1371/journal.pone.0119470

Fig 3. Still frames from a representative trial of joint cracking in the same MCP joint.

Fig 3

The right 4th MCP joint in the resting phase (A). The MCP joint as seen during distraction of the MCP joint in the frame just prior to joint cracking / joint separation (B). The MCP joint visualized in the next frame immediately after joint cracking (C). The joint in the refractory phase immediately after removal of distraction forces (D).