Back to blog
Article

Reflux Office Chair

Admin October 09, 2026

Currently, there is no product explicitly named 'reflux office chair', but the height of office chairs is associated with blood reflux and health, and ergonomic chairs can promote health during prolonged sitting through design optimization.

Impact of Office Chair Height on Blood Reflux

Prolonged sitting with an improperly adjusted chair height can directly affect blood reflux in the lower limbs. If the chair is too low and the knee bend angle exceeds 90 degrees, it can compress the blood vessels and nerves at the back of the thigh, hindering venous blood reflux to the heart and potentially increasing the risk of varicose veins over time. Conversely, if the chair is too high and the feet are left hanging or the front of the thigh is compressed, it can also disrupt blood circulation. Adjusting the chair height so that the thighs are parallel to the ground (with knees bent at 90 degrees) can reduce vascular pressure and promote blood reflux. This posture helps maintain the normal opening and closing of the venous valves in the lower limbs, reducing blood stasis and is particularly suitable for individuals who need to work at a desk for extended periods.

'Indirect Reflux Optimization' Design of Ergonomic Chairs

Although the 'reflux' function is not mentioned, ergonomic chairs indirectly support blood health through the following designs:

  1. Adjustability: Most ergonomic chairs support adjustments in height, armrests, and backrest angles, allowing users to adjust to a posture where the thighs are parallel to the ground, avoiding excessive knee bending or hanging, thereby optimizing the blood reflux pathway.
  2. Support: The lumbar support and headrest designs can distribute body pressure, reducing local vascular compression caused by improper sitting postures and indirectly maintaining blood circulation efficiency.
  3. Breathability: Seats made of mesh or breathable materials can reduce the stuffy feeling during prolonged sitting, avoiding skin stickiness caused by sweating, indirectly reducing the risk of vascular dilation due to heat and maintaining blood flow stability.

Health Usage Recommendations

Even when using an ergonomic chair, it is still important to:

  • Take regular breaks: Stand up, stretch, or walk for 5 minutes every hour of sitting to promote overall blood circulation;
  • Adjust posture: Avoid maintaining the same posture for extended periods; alternate between leaning forward and backward to distribute body pressure;
  • Use auxiliary tools: If there is a risk of varicose veins, consider using compression stockings to further enhance blood reflux effects.

Currently, there are no office chairs on the market that directly use 'reflux' as a selling point, but by reasonably selecting an ergonomic chair and adjusting usage habits, the negative impact of prolonged sitting on blood reflux can be effectively reduced.