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Can I sit and stay healthy?

News   •   Mar 28, 2018 07:43 UTC

Keep your joints flexible and your muscles relaxed by sitting on a two-part saddle chair that adopts to your movements.

Lots of studies have been made and published about how dangerous sitting is. The focus has been only on conventional 90/90 sitting (hips and knees in 90 degree angles) that really sets many harmful processes in motion.

Dangerous sitting = conventional 90/90 sitting

The main health dangers come from decreased circulation of blood and lymph which move in over 400.000 km of vessels, through all internal organs, including about 700 lymph nodes. The circulation is the main function of the body. Any long-term disturbance in it disturbs metabolism and weakens health.

The circulation in 90/90 sitting is disturbed because of

  • the muscle tension in the back, neck and shoulders
  • the pressure of the upper body on buttocks and thighs
  • the pressure in the abdominal cavity due to the slouched posture
  • the pressure and weakened circulation in the groin vessels and soft tissues, caused by tight clothes
  • the 90 degree angles in the hips and knees that create pressure on the vessels in them
  • the pressure of tight clothes that get even tighter in 90/90 sitting
  • the shallow breathing caused by the slouched posture and muscle tensions
  • poor physical activity; motion is the "engine” of circulation, the heart circulates only 25 % of the blood.

Healthy metabolism requires relaxed muscles and a certain amount of repeated movements (= changes of pressure in the soft tissues that keep the fluids moving). The conventional sitting limits movement efficiently. Relaxed muscles and changing position repeatedly, as happens during sleep, is enough for sufficient circulation and metabolism. In conventional sitting this does not happen due to tensions and the static pressure areas.

Problems of standing

Also standing is problematic. People who work standing know the problems of arthritis, poor circulation in legs, and tired back and hips. Standing is quite strenuous and not suitable for everyone in the long run. Standing can be ok for few individuals, and for short breaks in various jobs, but it is definitely not the solution to all sitting-related problems.

Alternative: healthy sitting

The healthiest option is to sit on a two-part saddle chair, in riding- like position (135/135 degree angles) in good posture and with the pelvis tilted forward, the same way as in standing. Further, the chair should be equipped with easily rolling castors and an active seat, the height of the table must be properly adjusted and clothes must not be too tight. This way the sitter has a good posture and deeper breathing, good circulation in all main vessels, no pressure on the joints in the lower extremities, and hardly any muscle tensions.

Saddle sitting produces valuable physical activity, when you are sitting on a seat that adopts to your movements. You can also roll on the chair and reach for things that are on the lower or upper shelves. Even if you are sitting on an active seat you need to have breaks and get off the chair several times during the day; e.g. walk while you are talking on your mobile.

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