STARTING POSITION:
You need to place a bench behind your back and a fitball in front of you. Place your hands on the bench that is just behind you. Your fingers should face forward. Place your feet together on the fitball in front of you. Extend the elbows and legs while your butt in close to the bench. Retract your shoulder blades rising your chest up. Contract your pelvic floor and core.
MOVEMENT:
Start lowerning yourself by bending your elbows until they are at 90º while you inhale. Contracting your triceps, press your upper body back to the starting position strengthening you body while you exhale.
TIPS: The exercise key is quality over quantity. The trick is to perform the exercise using proper form. To increase the level of the activity, you can place plates on your thighs.