Seeing your stomach muscles protrude when doing sit-ups can be alarming. So, if you're wondering why your stomach bulges during sit-ups, there are two likely causes for these protrusions: diastasis ...

Sit-ups can be an effective exercise to strengthen your abdominal muscles. You may feel a burning sensation during your abdominal workout, or soreness a day or two following exercise, known as delayed ...

When most people think of a strong core or achieving abs, the first exercise that comes to mind is often sit-ups. While sit-ups have long been a go-to for strengthening the core, they're not always ...