Core Strengthening Exercises with an Exercise Ball | Fitness Guide #3369696 (License: Personal Use)

A woman in athletic attire performs controlled sit-ups on a large pink stability ball, engaging her abdominal muscles while maintaining balance. Her hands are placed behind her head, knees bent, and feet flat on the floor-demonstrating proper form for core activation. This low-impact exercise enhances posture, balance, and functional strength.

Used on fitness blogs, workout guides, physical therapy resources, and wellness websites to illustrate core-strengthening exercises. Matches user intent for learning safe, equipment-based ab workouts at home or in clinical settings.