Better than nothing but you want to go reasonably heavy to get the improvements in bone density. Also hard to get hypertrophy in the posterior chain, which is a

Better than nothing but you want to go reasonably heavy to get the improvements in bone density. Also hard to get hypertrophy in the posterior chain, which is a major area for atrophy with age. I think calisthenics/gymnastics can give a heavier load but there is a substantial skill component there, much harder to learn than, say, squats and deadlifts.