A cup will prevent the fat pad on your heel from expanding sideways.
Back-open sandals or shoes allow the fat under the heel to expand sideways and increases the possibility of cracks on the heels.
(This risk is separate from the chances that a woman, if unfamiliar with heels, may topple sideways and twist an ankle or bruise her self-image, which is an acute injury and happened to me only the one time).
A man came pushing through the crowd from behind her, accidentally striking her hard with his shoulder as he passed, sending her staggering on her high heels; Lynette stumbled sideways, grabbing at a teen-age boy hunched in a thin jacket, and then tripped against the wheels of a pushchair, only just stopping herself from falling on top of the child inside it.
Being overweight may increase the pressure on the normal fat pad under the heel, causing it to expand sideways and if the skin lacks flexibility the pressure on the feet lead to cracked heels.
We want his head sideways".
Strategies to increase strength include "bend your knees", "on your toes", "up the stairs", "on your heels", "sit to stand", "walk sideways", and "tighten muscles".
Use the arm that you would usually hold your heel stretch with, and move it sideways in front of your outstretched leg (the same way your leg is).
Page after page is filled with instructions in neat shorthand: sideways stomp three times; brush ten, heel eleven, step twelve fourr times, twelve counts.
I was tipping sideways, my right leg and just my shoe heel holding me up, but beginning to fall.
