Posture: Good posture gives the impression of authority and confidence. A natural, straight open-body position is best. If you are not accustomed to standing straight, you can practice by pressing your spine against a wall. Let your arms rest in a relaxed way at your sides, so you don’t appear stiff or rigid. Remember, the audience members want you to behave normally; they don’t want to see you uncomfortable or suffering, as it makes them uncomfortable too.