Sit-ups: How to do them with proper form and why it matters

Woman in the gym performing a sit-up with hands behind head on exercise mat.

If you're unsure how to do a sit-up, we've got the answers to help you maximize this popular exercise. When you think of some of the best ab workouts, the sit-up is a classic, and the exercise can provide plenty of benefits for your midsection. 

The muscles that make up your core aren’t there just to look good. Strong abdominal muscles are important for your posture, for day to day activities, and can support your body as you perform exercises like squats or deadlifts.