David Lloyd George, a 23-year-old graduate student and great-great grandson of the former UK prime minister for whom he was named, broke the Guinness World Record in April for the number of muscle-ups ...

“Too much repetitive movement, insufficient recovery time and inexperience can also lead to an increased risk of an overuse ...

Yet exercise can sometimes be deceptive. Years before starting Virta Health, while cofounding the real-estate company Trulia, ...