A barbell curl looks simple, bend your elbows, lift the weight, and lower it again, but it is deceptively tricky and tough to do properly. But if you can master it then it can add significant muscle mass to your arms and challenge your body in new ways.
But is it right for you?
What Is a Drag Curl?
A drag curl is a barbell or dumbbell curl performed with the weight kept close to the front of your body. As you bend your elbows, your elbows travel backward rather than staying fixed at your sides. The bar moves upward along your torso, usually toward your lower chest.
In a standard standing barbell curl, the bar travels forward and upward in an arc. Your upper arms generally stay close to your sides, although some movement is normal. In a drag curl, bringing your elbows back changes the position of your upper arms and shortens the path the bar travels. It is still an elbow curl, but your shoulders move as part of the exercise too.
The biceps brachii crosses both the shoulder and elbow joints. It helps bend the elbow and turn the palm upward, and it also contributes to shoulder movement. Other muscles, including the brachialis and brachioradialis, help bend the elbow. So a drag curl does not switch the other muscles off or isolate the biceps completely.
What Does the Drag Curl Do Differently?
The main difference is the position of your upper arms. Pulling your elbows backward moves your shoulders into extension, which means your upper arms sit behind your torso. That changes the length and working position of the biceps across the repetition.
It also changes how the weight moves relative to your elbow. With free weights, gravity pulls the bar straight down. The challenge at your elbow depends partly on how far the weight is from the joint as you lift it. Changing the bar path and elbow position changes that relationship, but it does not automatically make the exercise more effective.
The drag curl’s shorter bar path can make it feel like a strict, focused curl. It can also make it harder to use the same range of motion as you would in a standard curl. If you pull your elbows back too far, lean your torso, or lift the bar by shrugging, the movement may become less controlled. The goal is to keep the bar close, not to force it up your body at any cost.
Is There Research on Drag Curls?
There is a limit to what exercise science can tell us specifically about drag curls. The studies discussed here examine biceps anatomy, standard curl variations, or resistance training more broadly. They do not directly compare drag curls with other curls in a long term training trial.
That means we cannot confidently say that drag curls build more muscle, produce more strength, or are safer for beginners than standard curls. A muscle feeling more during an exercise would not prove that it grows more from that exercise. Surface electromyography studies measure electrical activity during a movement, but they do not directly measure long term muscle growth.
Research comparing preacher curls and incline curls suggests that different curl variations can produce some differences in regional muscle growth and exercise specific strength. These findings do not tell us which curl is best for every person, and they cannot be applied directly to drag curls. They do show why it is sensible to think about an exercise’s position and range of motion without assuming one variation is automatically superior.
Could Beginners Learn the Drag Curl?
A beginner can learn a drag curl, but it may take more practice than a basic curl. The defining feature is that the elbows move backward as the bar rises. Beginners who are still learning to control the weight may find it easier to keep their upper arms mostly still and focus on bending and straightening their elbows.
That does not make the drag curl an advanced exercise. It means the exercise has an extra movement to coordinate. If you can perform it without swinging, shrugging, or leaning back, it can be a reasonable variation to try. If the technique feels awkward, there is no need to force it into your program.
Beginners also do not need a special curl to make progress. Training research supports a range of resistance training approaches, with the load, number of sets, effort, and gradual progression adjusted to the person. For someone new to lifting, a manageable weight and controlled repetitions matter more than choosing a curl with a complicated reputation.
How to Perform a Drag Curl
Stand upright and hold a barbell with an underhand grip. Your hands should be around shoulder width, and your arms should hang naturally. Keep your ribs stacked over your hips and your shoulders relaxed. Start with a light weight so you can learn the movement without needing to swing.
Bend your elbows and bring the bar upward while keeping it close to your torso. Let your elbows drift backward as the bar rises, but keep the movement smooth. Stop when you reach the highest position you can control without shrugging or leaning back. Lower the bar slowly until your arms are close to straight again.
Do not try to scrape the bar against your body, and do not pull your elbows as far behind you as possible. A small, natural backward movement is enough to make it a drag curl. If your shoulders or wrists feel uncomfortable, reduce the weight or switch to another curl variation.
Common Mistakes to Avoid
Using too much weight is a common problem. When the load is too heavy, it becomes tempting to throw the torso backward, jerk the bar upward, or shrug the shoulders. Those movements make it harder to control the curl and can turn the set into something other than the exercise you intended.
Another mistake is shortening the repetition too much. The bar does not need to travel all the way to your shoulders, but you should use a comfortable range that lets you lower it under control. Training only the top part of a curl may limit the work done through the rest of the movement. Research on elbow curl range of motion suggests that working through the initial portion of the movement can be useful for strength and muscle growth, although that evidence does not establish a single perfect range for everyone.
Finally, do not treat a strong biceps sensation as proof that a curl is superior. Exercise choice should also consider comfort, control, progression, and whether you can train consistently. A curl that feels natural and lets you add repetitions or load over time may be more useful than a variation you struggle to perform well.
How to Program Drag Curls
If you want to try drag curls, add them as one option in an arm workout rather than making them the only curl you do. Start with two or three sets of a weight you can lift with steady technique. A set of roughly 8 to 12 controlled repetitions is a practical starting point for many beginners, though other repetition ranges can also work when effort and technique are appropriate.
Finish each set when you think you could complete only a few more clean repetitions. You do not need to force every set to the point where the bar stops moving. Research suggests that taking sets closer to failure can support muscle growth, but the exact ideal distance is not settled, and beginners can make progress without repeatedly pushing to absolute failure.
Keep a record of the weight and repetitions. When you can complete your target repetitions with good control, increase the weight slightly or add a repetition in a later workout. The aim is gradual progress, not turning every set into a test of how much you can lift.
Should Beginners Choose Drag Curls Over Standard Curls?
For most beginners, the drag curl is best viewed as an optional variation, not a required starting exercise. A standard dumbbell or barbell curl is usually easier to understand because the upper arms remain more stable. That makes it simpler to focus on controlled elbow movement and learn how the weight feels.
3 Best Beginner Back Exercises for Muscle Mass in The Gym
A drag curl may suit you if you enjoy the movement, can keep the bar close without leaning or shrugging, and can train through a comfortable range. If it causes discomfort or makes you swing the weight, choose another curl. Dumbbell curls, cable curls, or preacher curls are all reasonable alternatives, and research comparing curl variations does not identify one universal winner.
The useful question is not whether the drag curl is perfect. It is whether you can perform it comfortably, control the weight, and progress over time. For some beginners, the answer will be yes. For others, a simpler curl will be easier to learn and just as practical for building stronger arms.
References
- American College of Sports Medicine (2009) ‘Progression models in resistance training for healthy adults’, Medicine & Science in Sports & Exercise, 41(3), pp. 687–708.
- Kassiano, W., Costa, B., Kunevaliki, G., Lisboa, F., Stavinski, N., Prado, A., Tricoli, I., Francsuel, J., Lima, L., Nunes, J.P., Ribeiro, A.S. and Cyrino, E.S. (2025) ‘Distinct muscle growth and strength adaptations after preacher and incline biceps curls’, International Journal of Sports Medicine, 46(5), pp. 334–343.
- Kleiber, T., Kunz, L. and Disselhorst-Klug, C. (2015) ‘Muscular coordination of biceps brachii and brachioradialis in elbow flexion with respect to hand position’, Frontiers in Physiology, 6, article 215.
- Marcolin, G., Panizzolo, F.A., Petrone, N. and De Vito, G. (2018) ‘Differences in electromyographic activity of biceps brachii and brachioradialis while performing three variants of curl’, PeerJ, 6, e5165.
- Pedrosa, G.F., Lima, F.V., Schoenfeld, B.J., Lacerda, L.T., Simão, R., Pereira, M.C., Diniz, R.C.R. and Chagas, M.H. (2023) ‘Training in the initial range of motion promotes greater muscle adaptations than at final in the arm curl’, Journal of Strength and Conditioning Research, 37(8), pp. 1589–1595.
- Sweeney, K.L., Shapiro, R., Jones, M. and Kipp, K. (2017) ‘The role of the biceps brachii in shoulder elevation’, Journal of Electromyography and Kinesiology, 35, pp. 1–5.
- Vieira, A.F., Umpierre, D., Teodoro, J.L., Lisboa, S.C., Baroni, B.M., Izquierdo, M. and Cadore, E.L. (2020) ‘Placing greater torque at shorter or longer muscle lengths? Effects of cable vs. barbell preacher curl training on muscular strength and hypertrophy in young adults’, International Journal of Environmental Research and Public Health, 17(16), article 5859.
- Wolf, M., Andrä, M., Bittner, F., Wirth, K. and Keiner, M. (2024) ‘Exploring the dose-response relationship between estimated resistance training proximity to failure, strength gain, and muscle hypertrophy: a series of meta-regressions’, Sports Medicine, 54, pp. 171–184.
Key Takeaways
| Topic | Takeaway |
|---|---|
| Drag curl | A curl variation where the bar stays close to the body as the elbows move backward. |
| Beginner suitability | It can work for beginners who can control the movement without swinging or shrugging. |
| Evidence | Research has not directly established that drag curls outperform other curl variations. |
| Progress | Use a manageable load, controlled repetitions, and gradual increases over time. |
