You only need this 30-minute dumbbell workout to build functional full-body muscle
If you want to build some muscle and a bulletproof body that can handle climbing the stairs, bending down to pick up items or ...
fitandwell4d
I tried Arnold Schwarzenegger's signature dumbbell workout and it worked every muscle in just 15 minutes
Set a timer for 15 minutes, then perform 10 reps of each exercise (take 10 steps on each leg for the farmer's walk), resting ...