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How to Do the Incline Dumbbell Curl: Muscles Worked, Benefits, and Alternatives

01dragonslayer

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The incline dumbbell curl is the go-to biceps builder for many savvy weightlifters.

That’s because it places tension on your biceps throughout the entire range of motion and allows you to train your biceps in a fully stretched position, both of which are highly beneficial for muscle growth.

In this article, you’ll learn what the dumbbell incline curl is, its benefits, which muscles it works, how to perform the exercise with proper form, the best incline dumbbell biceps curl alternatives, and more.

What Is the Incline Dumbbell Curl?

The seated incline dumbbell curl is a biceps isolation exercise. It involves sitting back on an incline bench while holding a dumbbell in each hand, lifting the dumbbells to your shoulders by bending at the elbows, then straightening your arms.

Some prefer a variation referred to as the “alternating dumbbell curl,” which involves alternating between your arms with every rep. Performing the exercise like this helps you to focus your attention on one biceps at a time, which may aid muscle growth in some scenarios.

The downside of the incline alternating dumbbell curl, however, is that it significantly extends the length of your sets, which isn’t ideal if you’re short on time.

That’s why most prefer to perform the incline dumbbell curl bilaterally (curling both arms simultaneously). As such, that’s the variation we’ll focus on in this article.



What’s the Best Incline Dumbbell Curl Angle?

As a general rule, an incline of 60 degrees works best.

Sitting more upright than this places your upper arms too close to your sides, negating the benefits of the exercise. Likewise, performing the exercise through a full range of motion at a lower angle requires a degree of shoulder mobility that most people lack, which may make it uncomfortable or force you to compromise form.

Still, everyone’s proportions, mobility, and preferences are different, so it’s best to experiment with various bench angles between 45 and 70 degrees to find what works best for you.

Incline Dumbbell Curl: Benefits

Research shows that using a variety of biceps exercises that place your upper arms in different positions relative to your torso is important for building proportional biceps.

The incline dumbbell curl is distinctive because it’s one of the few exercises that train your biceps when your arms are behind your body.

This makes it a valuable addition to your biceps workouts alongside exercises that position your arms by your sides, including the dumbbell and barbell curl, or forward of your torso, such as the preacher curl and chin-up.

Furthermore, placing your upper arms behind your torso fully stretches your biceps. This is noteworthy because research shows that training a muscle while it’s stretched is superior for muscle growth than training it while it’s relaxed.

Another benefit is that the incline curl places tension on the biceps throughout the entire range of motion. This may mean it’s slightly more effective for developing your biceps than other biceps exercises (the preacher curl, for example) that put little stress on the biceps at the top of each rep.

Incline Dumbbell Curl: Muscles Worked

The main muscles worked by the incline dumbbell curl are the biceps brachii (or “biceps”), the two-headed muscles on the front of your upper arms, between your shoulders and elbows.

Here’s how the biceps look on your body:

Muscles-image-Biceps




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Incline Dumbbell Curl: Form

The best way to learn how to perform the dumbbell curl on an incline bench is to split the exercise into three parts: set up, curl, descend.

1. Set Up

Adjust a bench to around 60 degrees. Grab a dumbbell in each hand, sit on the bench with your feet planted on the floor, then lean back so that your back is against the backrest, your arms hang straight down, and your palms face forward.

2. Curl

Bend at the elbows to curl the dumbbells up until they’re in front of your shoulders.

Press your back against the backrest as you lift the dumbbells. This stops you from using momentum to “cheat” the weight up and ensures your biceps do the lion’s share of the work.

3. Descend

Lower the dumbbells and return to the starting position. Don’t let the weights fall back to the starting position or try to straighten your arms slowly. The entire “descent” should be controlled but only take about a second.

Here’s an incline dumbbell curl gif showing what it should look like when you put it all together:

Incline curl
 
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