Back to blog
Article

Back Injury Caused by Office Chairs

Admin October 12, 2026

Back injuries caused by office chairs can result from improper chair selection/usage, prolonged sitting, design flaws, and other factors, requiring treatment and prevention based on the severity of the injury.

Improper Chair Selection or Usage

The lumbar support, seat height, armrests, and headrest of an ergonomic chair should be adjusted according to one's height and weight. If the lumbar support is positioned too high or too low, it will fail to fit the lumbar curve, leading to a suspended or overly compressed waist. If the seat height does not match the desk height, the arms or neck and shoulders will be forced into a tense state, indirectly affecting back stress. Different heights and body types have varying chair requirements. For example, individuals under 160cm tall using standard-sized chairs may experience suspended feet and increased waist pressure. People with existing conditions such as scoliosis or lumbar disc herniation require more targeted support designs. Some low-priced products merely imitate appearances and lack scientific support structures, such as insufficient lumbar support elasticity and unreasonable backrest curvature, which can exacerbate back strain.

Impact of Prolonged Sitting

Even with an ergonomic chair, maintaining the same posture for an extended period (over 1 hour) can lead to muscle fatigue and poor blood circulation, causing soreness.

Chair Design Issues

Overly soft chairs lack sufficient support, causing the body to unconsciously 'collapse.' The sinking of the buttocks leads to pelvic retroversion, forcing the lumbar spine to straighten or even convex backward, doubling the pressure on the posterior side of the intervertebral discs and small joints, and subjecting the lumbar spine to long-term extra stress. An unreasonably designed backrest, such as a single S-shaped panel with only a few points of force, can easily press against the back or leave gaps, failing to evenly support the upper, middle, and lower back.

Treatment Measures After Injury

If the chest or back is struck by a chair and suffers mild injury, immediately stop the current activity and apply cold compresses to the affected area for 15-20 minutes per session, with a 2-hour interval, lasting for 24-48 hours. If the pain is significant, short-term over-the-counter pain relievers can be taken. In severe cases, if symptoms such as persistent worsening pain, difficulty breathing, or chest tightness occur, it may indicate fractures, muscle tears, or internal organ injuries, requiring prompt medical attention.

Prevention Recommendations

Adjust the chair correctly, choose products with strong adaptability, maintain healthy sitting postures and habits, pay attention to material and structure, adjust seat height and angle, and strengthen back muscle training.