I’m a personal trainer — gain strength and build muscle with my 4-week full-body program

A personal trainer shares a four-week workout program designed to help you build strength and muscle in the gym or at home, ...
Fitgurú on MSN

Deep core and ab training: The 4-set routine that builds strength and definition

A powerful, time-efficient workout designed to strengthen your core, improve posture, and carve defined abs at any fitness ...

These are the muscles you use when you do pull-ups – and how to get your first rep

Here's exactly what you're working when you hit the bar to do one of the most comprehensive upper body exercises ...