Shannon Fable, certified group-fitness instructor, personal trainer and health coach in Boulder, Colorado, ShannonFable.com. The study titled “Properties of the vastus lateralis muscle in relation to age and physiological function in master cyclists aged 55–79 years” by researchers at King’s College London, UK, was published in Aging Cell.
Don’t let fear of strenuous exercise keep you on the couch. Adding intensity can keep your muscles young with low risk of injury.
