Published in Women's Health Weekly, February 26th, 2004
According to a study from the United States, "it has been found that in cases of obstetric brachial plexopathy, injured phrenic nerve or C3/4/5 roots may sprout into the adjacent injured upper and middle trunks of the brachial plexus. This aberrant regeneration produces cocontraction of the diaphragm and proximal upper limb muscles. This phenomenon, referred to as respiratory synkinesis or ''the breathing arm'', may not be limited to the upper cervical roots."
"We present two cases, identified through electromyographic investigations, of respiratory synkinesis selectively...
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