workout equipment for those with lower back problems who want a safe way to strengthen abdominal muscles. The Abdominal Mat protects the lower back while delivering an effective ab workout. Provides lumbar support. The sit up pillow features an arch design that curves to the back, enabling more effective core work while protecting the lower back and tailbone. It provides stability and constant tension. Provides full range of motion. Delivers comfortable, firm support for the back and spine while challenging the core muscles. Wide application. This sit up pad supports training of abdominal, back and oblique muscles during crunches, leg lifts and sit ups, providing stability and constant tension. Use scenarios: Use during crunches or sit ups to protect the lower back while performing controlled, effective core work. Incorporate into rehabilitation or gradual strengthening routines for lower back issues, enabling safe progression. At home or in the gym for consistent core training with stable alignment and reduced tailbone impact during leg lifts, sit ups, and related exercises.