I'm a personal trainer — try the old-school 'Run the Rack' dumbbell method to increase lean muscle growth

The 'Run the Rack' dumbbell method involves performing reps of an exercise to failure using each set of weights in the rack.

Want to improve your pull-ups? Fitness expert shares 10 upper body exercises to build strength

Struggling to do pull-ups or looking to get stronger? A fitness expert shares 10 simple upper-body exercises to help you ...