No, not sit-ups — calisthenics coaches share the 3 ab exercises you need to build a strong core

Woman showing core muscles in activewear with hands on hips.

Build bulletproof core muscles using these three exercises without weights, say the calisthenics instructors known as the Calisthenics Family.

In their eyes, these are the three best calisthenics core exercises you can do as a calisthenics beginner, especially if you plan to try more bodyweight workouts as part of your exercise routine.