Please choose the correct ending to complete the given sentence: Health: [header] How to do a seated hip roll with an exercise ball [title] Have your exercise ball in a vacated space. [title] Sit down on the ball with your legs in front of you, knees bent and feet on the ground. [step] Walk yourself forward slightly, but don't walk forward so much that you're fully lean your back against the.

Ending1: [title] Lean forward and roll your shoulders out. [step] Slightly roll the ball from your tailbone behind your front arm, keeping your spine straight. Ending2: Roll your ball across the front of your body, and hold your arms up so that your torso remains straight. [substeps] Don't tuck your pelvis into your chest. Ending3: Place your right knee on top of your left foot and place your right arm on top of your right leg, keeping your arms and hands relaxed, keep your left hand on the ball at all times. [title] Bring your right leg towards your left knee. Ending4: With your arms resting at your sides you should now be in a neutral position. Inhale and prepare to begin the exercise.

Answer format: ending1/ending2/ending3/ending4