Ball-and-socket joints are classified functionally as multiaxial joints because they can move bones along several axes. The muscles that surround the joints permit the humerus and femur to move away from the bodyâs midline (abduction), toward the bodyâs midline (adduction), forward (flexion), and backwards (extension).
Ulcer. A likely cause of stomach pain after eating is an ulcer. An ulcer is a deep, open sore in the stomach or intestines. The reason for stomach pain may be food or stomach acid that irritates the ulcer.
The location of your pain after eating also provides clues to the cause. Stomach and intestinal pain can affect the abdomen anywhere from the chest to the navel. Lower abdominal pain after eating more often indicates gastroenteritis or food poisoning, especially if accompanied by diarrhea, nausea or vomiting.