Primary Functions: Abdominal Exercises (Crunches & Sit-ups): Helps strengthen the upper, lower, and oblique abdominal muscles. Lower Back and Lumbar Support Exercises: The upper part of the machine with back pads helps support the back during exercise. Leg Exercises (Leg Raises): Legs can be placed on the lower pads or feet on the pedals to perform leg raise exercises to strengthen the lower abdomen. Resistance Exercises Using Hands: Some versions have handles or pedals that allow for simple arm and chest exercises. Exercise Position Flexibility: The angle of the machine can be adjusted or used in different positions to strengthen more than one area of the body. Simply put, it is a comprehensive machine for abdominal, lower back, and some leg and arm muscle exercises, designed to be suitable for home use without the need for large gyms. In-app communication If not delivered, I will tell you a location and you can pick it up from there.