ًWhat is Bomberg signs and Psoas sign? and obturator? And other signs

Also referred as rebound tenderness: Deep palpation of the viscera over the suspected inflamed appendix followed by sudden release of the pressure causes severe pain on the site indicating positive Blumberg’s sign and peritonitis While patient is lying left lateral with knee extended: straightening out (hyperextension) the right hip causes the pain in the RLQ because it stretches the inflamed PSOAS muscle and the peritoneum overlying it. Flexing the hip into the fetal position relieves the pain In the supine position Pain on passive internal rotation of the flexed thigh Cri de Douglas: severe pain on rectal or vaginal exam indicating peritonitis Dunphy’s sign: increased abdominal pain with coughing