India, June 3 -- To stay healthy and active as one ages, the importance of strength training cannot be overstated. People grow weaker with age due to the loss of muscle mass and the weakening of bones and joints, among other things. One of the natural ways to slow it down is through strength training.

Taking to Instagram on May 29, health and fitness influencer Jeana Aragon showed off how her 85-year-old father worked out at the gym to stay remarkably fit at his age. She shared that the man trains twice a week under her guidance, and she ensures that he returns every week.

"When my dad comes over to weight train twice a week, he thinks he's just working certain muscles while lifting and lowering the weights during the exercise, but ther...