The word "postural" refers to your body's position or posture. It describes the way you hold and position yourself while sitting, standing, or moving. Full definition
After keeping a consistent daily workout routine, you will notice improved body balance and good control of postural muscles extending from the ground up through your scapula and shoulder girdle. (hab-it.com)
When we are sitting or standing in poor postural alignment, gravity acts on all parts of us in ways that deform our silhouette and cause us to use much more energy to perform basic movements. (shift.nyc)
This can lead to a chain reaction of postural problems and lower back pain among other issues. (ptinto.com)