Would you like to know how to get more out of every single dumbell curl you do? Amazingly enough, you can do this simply by changing where you grip dumbell.First, I’m going to tell you what trick is, then I’m going to tell you exactly how and why it works. Then I’m going to finish by telling you how to make trick so powerful it’ll blow your mind!
In a nutshell, instead of gripping handle in middle (as is normally taught), grip handle with thumb and forefinger side of your hand pressed up against inside of dumbell plates. There will be a space of several inches between your pinky and other side plates.
To take full advantage of this change in your grip, start curl with your palms facing in to your thighs, otherwise known as a neutral or hammer grip. As you curl up, rotate your forearm so that your palm is facing up at top of movement. You should feel a strong cramping in your biceps.
For pictures demonstrating exactly how to execute this technique go to:
http://www.fitstep.com/Misc/Newsletter-archives/issue7-bicep-tip.htm
Here’s how and why it works:
The biceps muscle has two main functions. The first is flexing elbow (in essence, bringing forearm closer to upper arm like when you bend your arm to scratch your nose). The other function is called supination, which is a biomechanical term for forearm rotation. Supination occurs when you turn your hand from a palms-down position to a palms-up position.
The traditional dumbell curl without forearm rotation addresses flexing function of bicep. Rotating your forearm as you curl dumbell up invokes supination function of bicep, working more of muscle mass of bicep and giving you a stronger contraction.
Holding dumbell off-center essentially adds resistance to supination function of bicep muscle. If you think about it, when you hold your hand in middle of dumbell, two ends are balanced like two identical-weight people on a see-saw. You get very little, if any, resistance on supination.
By holding dumbell off-center, you tip balance of dumbell towards pinky side of your hand. Your bicep must then work against resistance to accomplish supination, adding in more resistance to curl movement.
This resistance translates into more efficient work for bicep and, ultimately, more results for you!
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Now I’m going to tell you how to adapt this trick into something that will make your jaw hit floor on first rep you do.