What are Mcburny and Rovsing's signs?

► McBurney investigation: done at McBurney’s point in the right iliac fossa; junction between lateral one third and medial 2 thirds of the line joining ASIS with the umbilicus. Deep palpation on this point ? positive indication for tenderness in case of appendicitis. ► Rovsing’s sign: rebound tenderness on deep palpation of left iliac fossa followed by sudden release of pressure ? deep pain is felt in right iliac fossa in case of appendicitis.