the posture of the typist should be
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Explanation:
Your keyboard should be at a height that allows your elbows to be bent about 90 degrees and close to your sides. Many keyboards and keyboard trays have wrist supports to help keep your wrists in a neutral, almost straight position. But wrist pads are just there for brief rests.
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There are 4 types of posture.
1) kyphosis posture
2) lordosis posture
3) sway back posture
4) flat back posture.
( hope this helps you)
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