Skip to main content

Neutral Sitting Posture


Image result for neutral sitting posture

The principles of neutral sitting postures for computer operation are as
follows:

(i) Forearms  straight and parallel to the floor;

(ii) Hands and wrists  straight and should not bend up, down or to the side;

(iii) Shoulders  relaxed and not elevated, raised or abducted;

(iv) Elbows  bent approximately 90 degrees, close to the body and supported on an arm rest; 

(v) Feet  must be fully supported on the floor and should not hang; 

(vi) Back  fully supported on back rest or lumbar support. Should not lead forward and without support; and 

(vii) Popliteal  should have clearance to promote blood circulation in the leg and there should not be any compression to the popliteal by the seat pan.

Comments

Popular posts from this blog

Ergonomics in the Office-1

Millions of people go to work every day by sitting down in front of a computer. These jobs certainly don’t come with the same dangers as working in a factory or with heavy equipment but the office job can pose very real risks to health. Neck and back pain, shoulder stiffness and wrist pain are a few associated long-term hazards. Fortunately, learning a few things about proper ergonomics in the office can go a long way toward mitigating these risks. Here are a few tips to keep in mind:   Have a Well Designed Chair:  If sitting all day is unavoidable, then having a good chair to do it in is a must. Look for a chair that has firm cushioning and easy height adjustments. Lower back and well-placed arm support are mandatory. Good Posture:  This seems obvious, but the best chair will not do any good if the person sitting in it is slouched over all day. The spine should be straight, keeping the torso perpendicular to the floor. Arms should come straig...

Fire Hydrant System

A fire hydrant, (also known as fire pumps, hydrant boosters, fire water pumps)is a connection point by which firefighters can tap into a water supply. These are high pressure water pumps designed to increase the fire fighting capacity of a building by boosting the pressure in the hydrant service when mains is not enough, or when tank fed. A Fire Hydrant with fully-on valve , releasing pressure water. Safe Operating Procedure- Fire Hydrant The user attaches a hose to the fire hydrant, then opens a valve on the hydrant to provide a powerful flow of water.  Most fire hydrant valves are not designed to throttle the water flow; they are designed to be operated either full-on or full-off. Attaching Hose with Fire Hydrant When a firefighter is operating a hydrant, he or she typically wears appropriate personal protective equipment, such as gloves and a helmet with face shield worn. High-pressure water coursing through a potentially aging and corroding hydrant coul...

Hazards of Radio Frequency from Mobile Towers and Phones

Cell phone radiation damages DNA, inflicts cellular damage and creates a broad spectrum of health problems and diseases, including DNA mutation and cancer in humans. A group of scientist published this in a scientific journal “Oxidants and Anti oxidants in Medical Science” in March 2014, in a study called “Low intensity radiofrequency radiation: a new oxidant for living cells”. 76 studies (or 92.5%) proved that cell phone radiation inflicts cellular damage. Cell phone radiation affects production of Reactive Oxygen Species (ROS); these are molecules that form in our bodies as byproduct during normal metabolism of oxygen. A healthy human body has balanced, non health-threatening amounts of ROS. However, microwaves cause overproduction of ROS and dramatically increase oxidative stress – body’s inability to detoxify itself and repair the damage. Too much of ROS damages lipids, proteins and DNA in cells, and disrupts all kinds of natural cellular interacting signals, ...