Muscle gets better with age

The results from our study suggest that lifetime aerobic exercise training results in key skeletal muscle adaptations that promote enhanced lipid storage and utilization at moderate exercise intensities.

http://www.acsm.org/public-information/acsm-blog/2017/01/04/active-voice-muscle-gets-better-with-age—enhanced-oxidative-capacity-in-lifelong-endurance-athletes!