
What causes abdominal muscle rigidity?
I had an acute appendicitis attack these two days, causing severe abdominal pain. The doctor mentioned it is called abdominal muscle rigidity, and I would like to learn more about what causes abdominal muscle rigidity.

Abdominal muscle rigidity, commonly referred to as board-like abdomen, can be caused by several common factors:
1. Muscle injury: When abdominal muscles suffer impacts, strains, pulls, or contusions, muscle fibers may be damaged, leading to abdominal muscle rigidity. This type of injury may be accompanied by muscle spasms and soreness.
2. Inflammation: Inflammation of abdominal organs, such as peritonitis, can directly affect the abdominal muscles, causing them to become inflamed and resulting in muscle spasms and rigidity.
3. Nervous system disorders: When the nervous system is damaged or affected, it can interfere with the normal regulation of abdominal muscle movement, causing excessive tension and resulting in muscle rigidity.
4. Prolonged poor posture: Maintaining incorrect posture for extended periods, such as looking down at a phone for long durations or working in a bent-over position, can cause excessive tension in the abdominal muscles, potentially leading to abdominal muscle rigidity.
5. Malnutrition: Insufficient nutrient intake or impaired absorption can prevent the body from obtaining adequate nutrients necessary for normal physiological functions. Deficiencies in proteins, vitamins, and minerals can affect normal muscle growth and repair, potentially causing abdominal muscle rigidity.