Apr 16 / admin

Cracking News

Joint Cavitation

Researchers at the University of Alberta have been investigating the phenomenon of ‘joint cracking’ . They were able to visualise changes on an MRI and for the first time showed a sudden increase in contrast on a T” weighted image immediately after the crack released gas within the joint. This may mean that fluid is being drawn across the joint surface and could account for some of the benefits associated with manipulation. Pardon the pun, but the mechanisms of joint manipulation are multi-faceted and may include both local and central effects i.e. mechanical and neurological/psychological. Previous posts on this blog have focused on the mechanisms of joint manipulation, but thankfully it looks like these  researchers are hoping to  continue to investigate the process.

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