Nobody can work in a perfect position all the time. The best position For Tendons & Ligaments are those in which the muscles have the most strength.
Body muscles will have the most strength if:
Shoulders are relaxed.
Elbows are near the side and bent at about 90 angle to reach the work. without any rotation of the forearms or bending of the wrists.
Wrists are straight.
Neck in natural alignment with the spine.
Head not tilted to one side or turned to the left or right.
A good guideline to follow: Ears should be over the shoulders.
A neutral body position: Is safest and most efficient position to work.
Awkward posture: Is a deviation from the neutral position & it puts stress on muscles, tendons and joints. If you have employees who sit for most of the shift, provide them with ergonomically sound chair. Avoid stooping, twisting and over-reaching.
Harms from DSE: Back injuries from sitting awkwardly, Work related upper limb disorders (WRULDs), Eye strain.
DSE Workplace Precautions:
Correct posture: Make sure shoulders, elbows, wrist & neck are in the neutral position.
Frequent short breaks: Workers have the right to one uninterrupted 20 minute rest break during their working day, if they work more than 6 hours a day. This could be a tea or lunch break. Workers have the right to 11 hours rest between working days, e.g. if they finish work at 8pm, they shouldn’t start work again until 7am the next day. To help computer user deal with eye problems, the 20-20-20 rule suggest that after every 20 minutes, the computer user should take a break for at least 20 seconds and look at objects that are 20 feet away
Look out for early symptoms: As dull aching pain, inability to grasp things securely.
For Back injury: Use adjustable chair, Get training how to adjust chair.
For Eye strain: Position screen to avoid glare, etc., Wear necessary spectacles, Get eye tests regularly.