A woman wearing a tight-laced corset, 1890. Note that Victorian photo editing techniques have been used on this image, simulating a narrower waist.<unk>  (also called corset training) is the practice of wearing a tightly-laced corset. It is done to achieve cosmetic modifications to the figure and posture or to experience the sensation of bodily restriction.
Tightlacing
Physical restraint
Harm avoidance
Postural restoration
Overtraining
Lateral release 
Autogenic training
Social distancing