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.
Eating spicy, greasy, and fatty foods also increases the risk of indigestion. Lying down too soon after meals can make it harder to digest food, increasing your risk for abdominal discomfort. Other common causes of poor digestion include: 1  smoking.