Ergonomists have made attempts to define the various postures which diminish irrelevant tasks and minimize the different forces that strain the body. As far as posture is concerned, every one of us canwithout question lower injury risk if we could just adhere to a particular set of ergonomic principles:
Various work activities should be accomplished with the joints approximately mid-point of movement range; especially to the upper limbs, head and trunk.
The exerting of muscular force should be achieved by the largest appropriate groups of muscles possible.
Every work task should afford the laborer to adopt an assortment of postures that are safe and healthy.
Like all other human studies, Ergonomics doesnt go without its flaws. A challenge to routine thinking in Ergonomics, the dilemma is that an individual would have to observe with deft skill his own muscle functions and joints, as well as be capable of altering his posture to a much healthier one at his own will. Naturally, not one individual can develop this type of extremely-refined awareness of the senses without exclusive training and experience. So in order to derive the ergonomic benefits...
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