Tag : supraclavicularis proprius muscle

A rare muscle anomaly: The Supraclavicularis Proprius Muscle

The supraclavicularis proprius muscle is an abnormal muscle that may be found in the supraclavicularisfossa. During routine dissection of 78 cadavers (corresponding to 156 supraclavicular fossae), 10% formalin fixed, we found it in one adult Caucasian male cadaver. In our experience, the frequency of occurrence of the supraclavicularis proprius muscle would be 0.64%. This abnormal muscle consists of an anterior tendon inserting…