In this position, your center of gravity helps propel you forward, so you're not spending as much effort fighting gravity by pushing off the ground. (health.com)
There's no other feeling that matches that of walking up to a bar loaded down with plates, pulling the shit out of it, and knowing that you just fought gravity. (fitnessandpower.com)
This sets up a vicious cycle in which we feel more tired from fighting gravity and give in even more to the poor posture. (shift.nyc)