How to Do Sit-Ups Correctly: Form, Benefits, and Common Mistakes #258567 (License: Personal Use)

The image shows a black-and-white line drawing of an individual lying supine with knees bent and feet flat on the ground, performing a sit-up by lifting the torso while keeping hands behind the head. The motion lines indicate upward movement, emphasizing controlled engagement of the abdominal muscles rather than momentum. This classic core exercise targets the rectus abdominis and improves trunk stability when executed with proper alignment.

Used in fitness guides, workout tutorials, or health articles explaining core exercises; matches user intent for learning safe, effective abdominal training methods at home or in gyms.