Sitting posture and pen-holding formula of first-grade primary school students

Writing sitting formula: head should be straight, shoulders should be flat, body should be straight and feet should be safe.

The posture of holding the pen: the eldest brother and the second brother are aligned, and there is a gap between their fingers. The third brother comes down to help, and the fourth and fifth brothers hide in it.

Extended data:

The importance of sitting posture:

Humpback sitting posture will cause round shoulders, wretched neck, myopia, and increase hip pressure, leading to poor blood circulation and lymph nodes in the hip, leading to edema and relaxation of the hip, and finally relaxing the hip.

Body: headache, dizziness, dizziness, stiff neck and shoulders, stiff waist, knee pain and heel pain. Cervical spondylosis, lumbar disc herniation, poor balance ability, easy to get injured during exercise.