1. Basic essentials for standing posture: upper body upright, chest tall and abdomen drawn in, waist straight and shoulders level, arms drooping naturally, legs standing straight together, muscles slightly contracted; standing upright, eyes level , the mouth is slightly closed, the face is smiling, the shoulders are naturally drooped or crossed in front of the body, and the right hand is placed on the left hand to maintain the best state of providing services to the guests (front abdominal position).
2. Basic essentials of walking posture: The basic requirements of walking posture should be calm and steady, and should walk in a straight line. Hold your head high, chest up, abdomen in, eyes straight, body straight, shoulders flat and not swaying, arms drooping and swinging naturally, legs straight (avoid O-shaped or splayed legs), body center of gravity should be slightly forward, head facing Straight ahead, eyes level, smiling, upper body upright and still, shoulders level and not shaking.
3. Basic essentials for sitting posture: sit gently and slowly, keep your upper body upright, your center of gravity vertically downward, your waist straight, your spine straight upward, your chest forward, your shoulders relaxed and flat, your trunk and neck , hips, legs, and feet facing forward, hands naturally placed on both knees, knees together, eyes level, and a smile on the face.
Extended information:
Notes:
1. Lean your body slightly backwards, and have a support on your neck to ensure that the neck releases its own pressure on the support. Above, neck fatigue can be avoided.
2. The arms hang naturally to relax the shoulder muscles; the arms are supported to reduce fatigue caused by the arms exerting force to maintain their position.
3. Adjust the height of the desk to ensure that the hands are parallel to the keyboard.
4. Place the leg health pedal so that the knees are slightly higher than the thighs to ensure smooth blood circulation in the legs.
5. The angle between the line of sight and the vertical line toward the center of the earth is about 115 degrees. That is, the computer screen is slightly below eye level.
Baidu Encyclopedia - Standing Posture
Baidu Encyclopedia - Sitting Posture
Baidu Encyclopedia - Walking Posture