Stability Ball Crunch Exercise Guide - Core Strengthening Workout #3369692 (License: Personal Use)

The illustration shows a woman in profile, lying back on a large blue stability ball with knees bent and feet flat on the floor, hands behind her head as she performs a controlled crunch. She wears a yellow tank top, gray athletic pants, and sneakers, with her hair tied back in a ponytail secured by a green band. The clean, instructional style emphasizes correct posture and alignment for safe core activation.

Used on fitness blogs, physical therapy sites, or workout apps to illustrate core exercises; targets users searching for home workouts, core strengthening routines, or stability ball training guides.