If any of your older relatives have created a slight curve in their back, it is due to the fact that you lets say mother or grandmother has now grasped the skill into loving and trusting her husband into doggy style...
woof woof
knee
Flexor
The flex
Spine. Bone, not muscle.
A flexor muscle.
your body's cells run out
The flexor is a muscle that bends part of your body.
Yes, the center of mass of the human body does shift as a person bends over. When a person bends, their center of mass moves forward and downward towards the bending point, altering their overall balance and stability.
If you get the bends you will get bubbles in your skin that are very painful and you may die from it. You will have to go into a special chamber for a good while to get your body used to the surface.
if i had to say....it would be any age.....
It jiggles or bends a bit.
it bends and its shiny?