Final answer:
Instead of referring to posture as either good or bad, it is better to think of posture as a continuum. Someone with good posture stands or sits in such a way that the person's center of gravity lies directly above the pivot point in the hips, thereby avoiding back strain and damage to disks.
Step-by-step explanation:
Instead of referring to posture as either good or bad, it is better to think of posture as a continuum. Someone with good posture stands or sits in such a way that the person's center of gravity lies directly above the pivot point in the hips, thereby avoiding back strain and damage to disks.