How to Do Crunches Properly - Core Strengthening Exercise Guide #3645125 (License: Personal Use)

The illustration shows a man in athletic attire-gray tank top, black shorts, and blue sneakers-performing a standard crunch with controlled posture: elbows flared outward, chin slightly tucked, and lower back pressed into the floor. His feet are flat on the ground with knees bent at approximately 90 degrees, emphasizing engagement of the rectus abdominis without straining the neck or hips. This visual serves as an instructional aid for core training routines.

This image is commonly used on fitness blogs, workout guides, physical therapy resources, and gym websites to illustrate proper crunch technique. It targets users searching for beginner-friendly ab exercises, home workouts, or injury-preventive core training.