because they are to freakin lazy to...or they have back problems
Basically you sit up straight and cross your legs.
there is a bone between your legs that sometimes gets straight when you sit down.
Makes you sit up straight.
u walk until ur straight and press s
Your elbow should be bent 90 degrees with the keyboard and sit up straight (no slouching).
the answer is 0.
Like they said, sit up straight.
your spine\ back. when you bend over you can feel the different parts of your spine but when you sit up straight you can't feel the bumps in your spine. Your spine is straight then. Which means youre back is straight. Which means you are sitting up straight. I might not have got this right bnut i hope it helped.
you hold your stomach sit straight up and sig through your nose
Sit up straight, shoulders back, and legs crossed; hands in lap, too. (optional)
both feet on the ground forward in the chair with back straight
you dont ;