A 51-year-old personal trainer shares his 20-minute workout to build an maintain muscle
At 51, Harley Pasternak's focus is building and maintaining his muscle mass sustainably as…
A top personal trainer shares 3 common mistakes people make when trying to build muscle
Harley Pasternak has spent 30 years helping people build strength and muscle.In that time,…
Forget longevity buzzwords like Zone 2 and VO2 max, a top personal trainer says. Focus on this simple metric.
What do the terms Zone 2 and VO2 max have in common?According to the…
