Which of the following describes good posture while you are sitting?

The correct option is C

The vertebral column should be straight

Posture is the position in which we hold our body upright while standing, sitting or lying down. Good posture involves training the body to stand, walk, sit and lie in positions where the least strain is placed on supporting muscles during movement. The vertebral column should be straight while sitting on a chair. Your feet should be placed on the ground at 90 degrees and not on the footrest.