Please choose the correct ending to complete the given sentence: Health: [header] How to do lunges [title] Start in a standing position. [step] Start by standing up straight with your feet hip-width apart and flat on the ground. Relax your shoulders and allow your shoulder blades to sink down towards your hips.

Ending1: Think of the pressing force of your weight as an excited balloon beginning to balloon out of your mouth, thus releasing some oxygen to your wings. Next, walk your feet back onto the floor with your arms tucked under your shoulders so they slant out in front of you. Ending2: [title] Reach behind your left shoulder and bring your right foot down so that it is parallel with your right shin. [step] You will begin to make the lunge with your right leg. Ending3: Keep yourself in this position by flexing your abdominal muscles to keep your spine straight and stable. [substeps] Throughout a lunge exercise your arms and hands can be in any position that helps you maintain your balance. Ending4: Lift your back up just a bit until you are at a 45-degree angle. Your shoulders should be so hip-width apart that your breathing is flowing freely.

Answer format: ending1/ending2/ending3/ending4