ZMass Testo Boost Try improved techniques for bicep curls. Usually, you fail to move the bar or dumbbell past a parallel point, which means you don’t get the full benefit of the top half of the bicep curl. The problem is that the top half of such curls is where you can get the most benefit. You can remedy this by performing seated barbell curls.
Read More >>> https://www.twine.fm/signin