Sit-Up Exercise Illustration - Core Strengthening Workout Guide #225138 (License: Personal Use)

This hand-drawn illustration shows a woman in athletic attire performing a standard sit-up: legs bent, feet flat, hands gently supporting the head without pulling. Her posture emphasizes controlled movement and core engagement, making it ideal for instructional fitness content. The simple, clean style ensures clarity for readers of all ages.

Used in fitness blogs, exercise tutorials, physical education materials, and health apps to visually demonstrate proper sit-up technique; matches user intent for learning safe, effective core exercises.