digestion. 1  the process in the alimentary canal by which food is broken up physically, as by the action of the teeth, and chemically, as by the action of enzymes, and converted into a substance suitable for absorption and assimilation into the body. 2  the function or power of digesting food: My digestion is bad.
Overview of Sitz Bath. A sitz bath is a bath in just enough water to cover the buttocks, upper thighs and lower abdomen. It is more labor intensive than other hydrotherapy treatments, but it powerfully affects the pelvic and abdominal organs.
The sit-up is an abdominal strength training exercise commonly performed to strengthen the abdominal muscles. It is similar to a crunch (crunches target the rectus abdominus and also work the external and internal obliques), but sit-ups have a fuller range of motion and condition additional muscles.trength exercises such as sit-ups and push-ups do not cause the spot reduction of fat. Gaining a  six pack  requires both abdominal muscle hypertrophy training and fat loss over the abdomenâwhich can only be done by losing fat from the body as a whole.