Obturator sign: Pain elicited when the examiner passively performs internal rotation with the flexed right thigh. May be positive in cases of a pelvic appendix.
[…] of peritoneal irritation (rebound tenderness, guarding, rigidity), and classic signs elicited by clinical examination (e.g., the McBurney, Rovsing, psoas, or obturator signs
Physical signs classically associated with acute appendicitis include Rovsing sign, psoas sign, and obturator sign. ^ Rovsing, N.T. (1907).