A diaphragm spasm is an involuntary contraction of the muscle that divides the upper abdomen and chest. It may feel like a twitch or flutter and may be painful.

The diaphragm is located between the upper abdomen and the chest. It is the muscle responsible for helping you breathe. As you inhale, your diaphragm contracts so your lungs can expand to let in ...

Medically reviewed by William Truswell, MD An esophageal spasm occurs when the esophageal muscles contract abnormally. (These muscles are located in the esophagus, the tube that carries food to the ...

Symptoms include abdominal pain, muscle spasms, and weakness. The initial treatment includes rest and ice, followed by gentle exercise. In some cases, physical therapy may be needed.

abdominal pain Diaphragm flutter causes repetitive, rhythmic, and noticeable movement in the upper abdomen. In some cases, the contractions may also move toward the surrounding muscles that are ...

Flank pain is discomfort in your upper abdomen or back and sides. Learn some common causes and how a doctor may diagnose and treat it.

Pancreatitis A pancreas condition may cause pain under the right rib cage in the middle of the abdomen, in the RUQ, or left upper quadrant. Pancreatitis is inflammation of the pancreas.