Ernestine Shepherd, at age 80, is considered the oldest female bodybuilder. She began competing at 71!!! Her story is certainly evidence, it’s never too late to hit the Gym.
To maintain a healthy physique at age 80, lifting heavy weights should not be the main objective. For Enestine and her likes exercises that challenges balance, flexibilty and motor control are perhaps more important.
A few sets per week using YoYo keep help her stay mentally clear too. Research Shows!