| Sitting posture, seating position, or seat posture | | | | minute way. This movement can be measured to |
| can make all the difference in comfort. For as | | | | determine what seating position causes the most |
| long as I can remember, sitting straight up was | | | | stress on the spinal column. As it turns out, sitting |
| considered the optimal position. Parents would | | | | at a 90 degree angle causes the most uniform |
| preach it, doctors would suggest it when they tell | | | | stress on the spine. Slouching forward causes less |
| you to sit up straight and not slouch. This just | | | | stress on the upper spine, but more stress on |
| never made sense, because very few people | | | | the lower spine. The least amount of disk |
| really feel comfortable sitting straight up. | | | | movement and stress on the spine was observed |
| Recent studies show that the optimal sitting | | | | in a person who was leaning back at approx. 135 |
| posture is not straight up (90 degrees) but | | | | degrees or more. |
| actually leaning back at roughly a 120-135 degree | | | | The angle in the seating posture is important as |
| angle. It shouldn't come as a surprise, as this is | | | | to how my stress and natural force of gravity |
| arguably one of the most comfortable positions | | | | can be affected by the ergonomics in the way |
| to sit. So, what are the mechanics for the | | | | you sit. So, the next time someone corrects your |
| "correct" sitting posture? | | | | sitting posture and asks you to "sit up straight" |
| When strain is put on the spine, the spinal disks | | | | you can correct them and say "no, lay back at |
| between each vertebrae will move or misalign in a | | | | 135 degrees. |