I'm following a workout plan from a book, and it has me doing both Dumbbell Bicep Curls and Concentration Curls on my arm day. But I don't understand the point of this. Assuming proper form on the Bicep Curls (not cheating by moving the elbows), the exercises appear to be exactly the same. Even though the form is different (e.g., one you stand, the other you sit), the arm is in the same orientation and moves through the same path.
Are these exercises as identical as they seem, or do they somehow work different parts of the bicep?
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05-10-2010, 10:49 PM #1
- Join Date: Feb 2010
- Location: San Jose, California, United States
- Age: 49
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Any reason to do both Dumbbell Bicep Curls and Concentration Curls?
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05-10-2010, 11:00 PM #2
Rep range and time under tension are key here IMO. I've always kept db bicep curls relatively low in reps, using them more as a power exercise than anything else. Concentration curls are best if you go lighter, use it as a pump exercise, and really focus on the contraction - keeping time under tension high. Realistically, if the hand position is the same, then the contraction will be relatively the same.
My view of it all. I don't believe the angle of your arm will make much difference to how the bicep contracts.
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05-11-2010, 06:35 AM #3
- Join Date: Mar 2010
- Location: United Kingdom (Great Britain)
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Depends, hammer curls and concentration curls work slightly differently.
(I assume your standing curls are hammer curls)
The hammers target both heads ofthe biceps whereas the conc curls are more focussed on the long head.
This is a very simplified view, but yes there can be good reasons to vary your isolation movements on the biceps and triceps for example.
Will
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05-11-2010, 08:38 AM #4
- Join Date: Feb 2010
- Location: San Jose, California, United States
- Age: 49
- Posts: 45
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Now that you mention it, I do have a tendency to perform the Concentration Curls more slowly than the Bicep Curls. So maybe that's the key difference: Bicep Curls = fast and powerful, Concentration Curls = slow and controlled.
On the other hand, I've often read that the positive motion on any exercise should always be done as fast as possible (without sacrificing form of course), so now Concentration Curls seem even more pointless to me...
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05-11-2010, 08:38 AM #5
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05-11-2010, 09:28 AM #6
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05-11-2010, 09:29 AM #7
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