Muscles "Remember" Their Strength 7.17K Adrian Chen 08/22/10 02:54PM Filed to: Fitness Fitness Science Pic shutterstock Getting huge pumping iron Supersquats When people get fit it causes "permanent structural changes in the muscle," which makes them "remember" this strength. So, get strong now, slack off for 50 years, then work out right before you die. Your corpse will be jacked.