Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. A strong back supports better ...

Longevity is trending, and the consumer health industry has started broadening its scope, beyond the confines of “how to get a six pack in six weeks” or “how to become alarmingly musclebound before ...