Involuntary guarding
pain is due to inflammation, pressure of the parietal peritoneum
onto the inflamed area results in a reflex contraction of the overlying
muscles
Voluntary guarding
Severe pain with no tenderness
No organic pathology
board-like rigidity
Infection of the whole peritoneum stiff abdominal wall general peritonitis-> thoracic breathing
Rebound tenderness
is a sign of
intra-abdominal disease and
indicator of peritoneal irritation