Involuntary arm abduction that follows sustained isometric contraction of the deltoid and supraspinatus muscles (usually performed by pushing the upper extremity forcibly and against an immovable vertical surface while standing closely beside it). ... Synonym: Kohnstamm's phenomenon. ... (05 Mar 2000) ...
Found on
http://www.encyclo.co.uk/local/20973
Type: Term Pronunciation: af′ter-mūv′ment Definitions: 1. Involuntary arm abduction that follows sustained isometric contraction of the deltoid and supraspinatus muscles (usually performed by pushing the upper extremity forcibly and against an immovable vertical surface while standing beside it). Synonyms: Kohnstamm phenomenon &n.....
Found on
http://www.medilexicon.com/medicaldictionary.php?t=1558
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