1. Basic essentials of standing posture: upright upper body, chest and abdomen, straight waist and flat shoulders, natural drooping of arms, straight legs and slightly contracted muscles; Stand upright, eyes straight, mouth slightly closed, smiling, shoulders naturally drooping or crossing in front of you, and right hand on left hand to keep the best service to guests (front belly style).

2. walking posture's basic essentials: walking posture's basic requirements should be calm, steady and out of a straight line. Hold your head high, hold your chest out, tuck in your abdomen, look straight at your eyes, keep your body straight, your shoulders flat, your arms naturally droop and swing, your legs should be straight (avoid O-shaped or splayed legs), your body center of gravity should be slightly forward, your head should be straight ahead, your eyes should be straight, your face should be smiling, your upper body should be upright and your shoulders should be flat.

3. Basic essentials of sitting posture: sit gently, with the upper body upright, the center of gravity of the human body vertically downward, the waist upright, the spine straight upward, the chest straight forward, the shoulders relaxed and flat, the trunk and neck, hips, legs and feet facing forward, hands naturally placed on the knees, knees together, eyes straight up and smiling.

Extended information:

Precautions:

1. The body leans back slightly, and the neck is supported, so that the neck can release its own pressure on the support, which can avoid neck fatigue.

2. The arms droop naturally and relax the shoulder muscles; The arm is supported, which reduces the fatigue caused by the arm trying to maintain its position.

3. Adjust the height of the desk to ensure that the hand can be parallel to the keyboard.

4. Place the leg health pedal so that the knee is slightly higher than the thigh to ensure smooth blood circulation in the leg.

5. The angle between the line of sight and the vertical to the center of the earth is about 115 degrees. That is, the computer screen is slightly lower than the parallel line of sight.

Baidu encyclopedia-standing posture

Baidu encyclopedia-sitting posture

Baidu encyclopedia-walking posture.