Please choose the correct ending to complete the given sentence: Health: [header] How to have proper posture (girls ) [title] The first thing you should do is to try to identify any issues with your current posture. [step] Many postural issues happen due to the muscles used to hold a joint in place are out of balance. Improving your posture does not require much, but for this step you will need a mirror.

Ending1: [substeps] Begin by doing a standing assessment of your posture by standing in front of a mirror with form fitting clothing. Do this assessment barefooted relax your body and try not to force yourself to stand in a manner that you would not normally stand. Ending2: [substeps] You may need to test your posture for yourself-do this in the mirror. If it's painful, do not worry. Ending3: Sit up straight and hold your chin up. If you are somewhat tall, put the mirror against the back of your head so that the back of your head is lifted up. Ending4: A magnifying glass is not necessary. [title] Hold your jaw at a 90 degree angle with your mouth parted slightly.

Answer format: ending1/ending2/ending3/ending4