of good seating
A well designed seat helps prevent fatigue and other complaints ensuring the body adopts the most natural posture.
The importance of good seating
Looking at different types of chair we see that seat height and depth, arm support, even firmness of cushion can affect how much we alter our position for greater support or to relieve pressure in muscles and joints. It is important to match the features of the chair with the physical needs of the user, as well as considering where the chair will be used and what the user will be doing when sitting.
By doing this, we can hope to see the benefits of good sitting such as more active and constructive lifestyles, faster recuperation from illness, maintenance of body shape and prevention of pressure related problems. In turn, these benefits can lead to greater independence for the user, improved well being and happier lifestyles.
The science of good seating
To ensure the body assumes the correct natural anatomical position and optimal sitting posture, the chair should be tailored to each individual’s exact measurements. In addition, the chair should combine the apporpriate functionality and features to assist the seated person to have a healthy and comfortable posture.
Achieving a good sitting position is the result of a number of inter-related factors requiring the chair to be tailored to each individual in terms of:
- Seat height
- Armrest height
- Lumbar support
- Seat depth
- Seat angle
- Seat width
Problems associated with an incorrect sitting position
The majority of the population assume incorrect sitting positions and unfortunately it’s a natural occurrence for the body to slump and change its position regularly. Poor sitting postures and unsuitable seating can develop and/or exacerbate both physical and medical conditions with far reaching consequences on the quality of life and overall well being. Sitting requires more effort than you think!
Blocking of veins and nerves
An excessively high sitting position with legs swinging can lead to veins and nerves becoming blocked causing varicose veins, sleeping legs and numbness.
An excessively low seat with an acute angle between the torso and upper legs can give rise to intestinal problems.
Irritated tissue & back pain
Incorrect seat height can cause pressure on the bottom. An excessive slant on the back or too deep or too low a seat can lead to irritated tissue, back pain and cause difficulty getting up.
Back pain & poor posture
Inappropriate cushioning can result in sinking and slumping back into a convex shape contributing to back pain and other related joint and muscle ailments.
Difficulty in getting up
It is often difficult to get up as a result of reduced muscular strength and impaired functioning of the joints. This may also be hindered by the chair you are sitting in having:
- a seat height too low and/or too soft;
- an inappropriate seat depth;
- a large backrest angle;
- armrests that are too short or absent altogether.