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With back strait, feet flat on the floor, eyes at the computer. your elbows should be level with the keyboard
get on the floor put your back on it and lay flat with your feet out
* sitting in a proper chair * the height of the computer monitor * keeping your feet flat on the floor
yes
top floor flat
The correct sitting position: Your arms should be resting parallel to the floor, your legs should be in the same position and your feet should be flat. Your back should be against the chair, and your shoulders should be back (but not lifted or hunched).
you have to add it
Your feet should be flat on the ground, or in a comfortable posistion so you can concentrate when typing.
A plie is the bending of the knees while keeping the hips and shoulders aligned and the feet flat on the floor. It can be performed in any position of the feet.
I think it should be fine. Laying flat on a floor is always better for posture. Go for it! I think it should be fine. Laying flat on a floor is always better for posture. Go for it!
37 sq ft. Not including for cutting losses & joints so say 40 sq ft
Any flat surface will do.