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| F | | | Fatigue:
A condition that results when the body cannot provide enough energy for the muscles to perform a task. Forcefulness:
The amount of physical effort a person uses to do a task. Forward-sloping Seat:
Any seat where the back of the seat pan is higher than the front edge. Some chairs designed to accommodate forward-sitting posture have seats with a pronounced forward slope to promote an open thigh-to-trunk angle. | | |
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