Arcade of Struthers
- in middle of the arm, ulnar nerve pierces medial intermuscular septum and descends in front of the medial head of the triceps;
- in 70-80% of individuals, nerve passes under arcade of Struthers;
- the arcade is a thin aponeurotic band extending from medial head of triceps to the medial intermuscular septum;
- it lies approximately 8 cm proximal to the medial epicondyle;
- the arcade may appear as medial triceps muscle fibers crossing superficial to the ulnar nerve;
- arcade is not site for entrapment under ordinary circumstances, but it may become point of kinking if anterior transposition of
ulnar nerve is performed;
- following transposition procedures, the surgeon should release the arcade if it appears that the nerve is under tension
Historic origin of the “Arcade of Struthers.”
Redefining the "Arcade of Struthers".
Original Text by Clifford R. Wheeless, III, MD.
Last updated by Data Trace Staff on Saturday, March 4, 2017 8:02 am