Normal office chairs are notorious for negatively impacting your posture, especially if you’re sitting in them improperly. Slouching in your chair can also cause a decrease in your core strength and variety of other health problems we’ll explore further during this article.
The solution? it’s going to be replacing your office chair for a stability ball.
Here, we discuss the science behind the connection between how we sit and our health, the potential benefits of sitting on a stability ball, and a number of other exercises for improving your back health and posture.The Biomechanics of Sitting
Just like all our movements, sitting requires the activation and relaxation of certain muscles, and it stresses different bones. The parts of the body that are most studied regarding sitting posture is that the spine and back (lumbar region) and therefore the pelvis. The hamstring muscles also influence sitting posture, however.
The biomechanics of sitting can change significantly counting on the chair type and posture. once we stand freely, all of our weight is transferred to the ground through our feet. once we sit down, most of the load transfer to the ground is shifted from our feet to the seat pan, armrests, and backrests. This transfer gives our feet a sense of reliefLumbar Region
When we sit, we naturally tend to slouch a touch to feel relief from standing. Our lumbar region is concave and curved toward the stomach, giving the looks of “slouching.” during this posture, technically called lordotic, the vertebrae and discs are thicker toward the front of the body instead of toward the rear of the body to cushion the increased pressure on this a part of the vertebrae. Also, the sacrum, which is that the lower a part of the spine fixed to the pelvis, is angled forwardSince the sacrum is connected to the pelvis, any rotation of the pelvis affects the vertebrae of the spine.
If the pelvis is rotated forward slightly (b), the lumbar spine curves to raised maintain an upright posture. However, a backward tilt can cause an increased flattening of the lumbar spine. this will increase kyphosis (sometimes mentioned as hunchback or roundback), which may be a spinal disorder where the spine has an outward curve and this leads to the event of abnormal rounding of the upper back (c).
As you’ll see within the image below, compared to relaxed standing, both upright and slouched sitting have smaller angles. The smaller the angle in prolonged sitting, the larger the danger for back pain and injury.Hamstrings
The hamstring muscles also influence sitting posture and therefore the position of the spine. They extend from just above the knee to the pelvis, meaning they cross the hip and knee joints. As a result, the extensibility and therefore the strength of hamstrings have an impression on back posture also . เว็บแทงบอลฟรี
In fact, in people that have lower back pain associated with working for long periods ahead of a computer, their hamstring muscles tend to possess increased activity. this suggests that folks with back pain attended have more tense hamstring muscles than those without back pain.
One study examined the consequences of stretching the hamstrings within the workplace on posture. Researchers found that hamstring stretching exercises effectively increased hamstring extensibility, leading to a more aligned spinal curve and a more favorable pelvic tilt.
Another study found that athletes who had injured their hamstrings had poorer lower back posture. Both of those studies are samples of the correlation between hamstring health and posture