From Compel Fitness : Up and Down Wondering how to get the most out of lifting weights? Duffy says that he tells his clients to “use a weight that will have them failing on the set between the 30 and 40 second mark because research has shown that it’s the time under tension that causes muscle to grow if you are trying to build more muscle. He cautions that if “you’re failing at 20 seconds, you know that weight was too heavy.”
Posted on: Sat, 19 Apr 2014 10:00:00 +0000
Trending Topics
Recently Viewed Topics
© 2015