I know a lot of people say this about their dads, but mine really isn’t like his age. He is one of the most active people I know — and I should know, as I train him twice a week. On top of that, he lifts weights, runs and gardens, so you could say his overall daily activity score is pretty high.
One component of fitness that has taken us years of hard work to improve is mobility, which declines with age naturally and accelerates if you aren’t very active. Combined with resistance training, which…
