Reps vs. Time Under Tension: A Trainer Explains The Best Way to Build Muscle originally appeared on Men's Fitness. I’ve been a certified personal trainer (C.P.T.) for 15 years. In this ...

Try arm exercises to build muscle after 50, a daily plan designed by Jarrod Nobbe, MA, CSCS, using bands and bodyweight.

Morning exercises for men over 50 to rebuild muscle fast, with CSCS Jarrod Nobbe’s expert routine and form tips.

Here's what this means for your next workout.

"Work smarter—not longer." ...