Approximately a half of all 50-year-olds are already suffering from some degree of change in their joints. Arthrosis develops individually as the result of the environment, ergonomics, nutrition, weight, exercise routine, genes and other factors. Musculoskeletal diseases (MSD’s) have a close link with the development of arthrosis. For example, a joint once injured in an accident is also more prone to suffer from arthrosis. For example, footballers quite often suffer from arthrosis in their lower limbs as they get older.
Shoulders
Bad posture whilst sitting easily forms over a 30-degree angle between the shoulders and midriff. An angle this big is typically thought to be a risk for the shoulder joints, especially if long-lasting tasks are conducted with the hands while sitting. In a posture like this, the metabolism in the shoulder is reduced, and the joints suffer more easily from erosion and other deterioration damages. This ailment is common among dentists.
Back and neck
Bad posture of the lower back cause uneven and increased compression pressure on the discs when the vertebrae are “ajar” and the facet joints cannot carry the part of the load (30 %) they are supposed to. This round-backed sitting stretches the soft tissues around the vertebrae of the lower back, causing tension in the tissues. Tension in the tissues dramatically weakens blood circulation in the area, thereby consequentially reducing the oxygen and nutrient intake of the discs, ligaments and bones. These tissues have hardly any blood circulation of their own, so their nutrient content is vitally linked to the absorption from the bloodstream by diffusion.
Bad posture and rounding the lower back cause lower back deterioration and osteoporosis. Sitting in a bad posture and incorrect position while sitting increases the occurrence of arthrosis in the upper back and cervical vertebrae among the middle-aged.
Lower limbs
When sitting conventionally, the hip and knees form a 90-degree angle. This is unnatural for the joints, which should be more straightened out and mobile. In the 90-degree angle, the weight of the upper body adds to the static pressure that focuses on the cartilage surface of the hip. This decreases the inner metabolism of the joints, which in turn seems to speed up the development of arthrosis and advance its occurrence.
The knees that have been passive when you were sitting are suddenly hit with a harmful strain impulse every time you stand up from the 90-degree angle. Anyone can notice the aches and pains of the lower limb joints caused by long-term sitting, as they stand up after a long flight or a car trip.
Prevention
The emergence and development of joint problems can partly be prevented by a sitting position, in which the back is in good posture at all times, the head is held straight and hips and knees form at least a 135-degree angle.
The easiest way to achieve this is to use a saddle chair that has a two-part seat. The chair will hold the users’ pelvis in an upright position as if they were standing and the pelvis is supported by the sitting bones. The chair is cool and does not press the genital area, which improves both male and female genital health.
The joint-friendly working environment is finished off with an electronically height adjustable table, which has different pre-set height settings and soft elbow rests under the shoulder line, and a high-quality monitor situated on the right height (the upper edge at the eye level). In addition, the joint and muscles benefit from a working environment that has been designed so that the person needs to roll back and forth to pick up and reach for items while sitting on the chair.
Getting up from the chair every now and then is also good for you. These movements activate the metabolism in joints and strengthen the muscles, reducing the risks even more.
