Barbell Drag Curl: How To Do and Muscles Worked

The barbell drag curl is a single-joint (isolation) elbow flexion exercise performed with the bar pressed against your body for the entire range of motion.

Instead of letting the bar swing out and away from your torso like a standard curl, you literally drag it up your thighs and abdomen, with your elbows sliding backward behind your ribs as the bar rises.

You can perform it with a straight barbell or an EZ curl bar. The grip should sit at roughly shoulder width, as wider grips push the exercise toward a short-head bias and start to fight against the contact-with-the-body mechanics that do this exercise what it is.

People often describe the drag curl as working “different muscles” than a standard curl. That’s not quite right. The same elbow flexors are doing the work in both exercises.

What actually changes is the resistance curve, where in the range of motion the exercise feels hardest. As keeping the bar against your body and extending the shoulder at the top shifts more of the tension toward the top portion of the rep, where standard curls tend to go slack.

You can perform this exercise using either a standard barbell or an EZ curl bar.

Barbell Drag Curl Muscles Worked

Muscle	Role	What it’s doing
Biceps brachii (both heads)	Primary	Drives elbow flexion; assists forearm supination throughout the lift.
Brachialis	Secondary	Sits underneath the biceps and contributes heavily to elbow flexion regardless of grip rotation.
Brachioradialis	Secondary	Forearm synergist; more involved as grip moves toward neutral or pronated.
Erector spinae & core	Stabilizer	Keep your torso upright so you don’t lean back and turn this into a momentum lift.
Posterior delts / rotator cuff	Stabilizer	Control the shoulder extension as your elbows travel behind your body at the top.

How To Do Barbell Drag Curl

1. Stand with feet shoulder-width apart, knees soft. Grip the bar at roughly shoulder width, palms facing up, arms straight down with the bar resting against your thighs.
2. Brace your core. Begin dragging the bar straight up your body thighs, then waist, then ribs, while letting your elbows travel backward behind your torso as the bar rises. This backward elbow path is what separates a drag curl from a standard curl; it should feel continuous, not like two separate movements.
3. Keep the bar in light contact with your body the whole way up. Finish with your elbows pinned behind your ribcage and the bar near your lower chest.
4. Pause for a one-count and squeeze your biceps at the top.
5. Reverse the path under control: elbows come back forward as the bar slides back down your torso to the starting position. Don’t let the bar drift away from your body on the way down.
6. Perform 8–12 reps for most goals (see the programming guide below for level-specific ranges).

Proper Form and Tips

• Keep Your Elbows Close to Your Sides
• Perform the barbell drag curl with slow and controlled movements, avoiding swinging the weight.
• Pay attention to the negative part of the movement and slowly lower the bar back down to the starting position.
• It is important to start with a lighter weight and gradually increase the weight as you become more comfortable with the exercise.
• Keep your upper body upright and stable. Avoid leaning back to help lift the weight.
• Exhale on the exertion (curling up) and inhale as you lower the weight.
• I really concentrate on squeezing those biceps with each rep.
• Always warm up before performing the drag curl, including a few light sets to warm up your muscles.

Best Variations Of Barbell Drag Curl

You can perform this drag curl with different bars and grips for additional variations.

1. EZ Bar Drag Curl

The EZ bar drag curl is a variation of the bicep drag curl exercise that primarily targets the biceps and forearm.

The EZ bar’s angled grip puts your wrists in a semi-pronated position rather than the full supination a straight bar forces. For lifters with wrist or elbow discomfort, this is usually the more comfortable option without giving up much else mechanically.

2. Barbell Reverse Drag Curl

The barbell reverses drag curl, a variation of the barbell curl that targets the brachioradialis, biceps, and forearms.

In this exercise, you hold the barbell in a reverse grip, with your palms facing down, and curl the weight up towards your chest.

Compared to the regular reverse curl, reverse drag curls help you maintain tension on the target muscles because you cannot swing the weight up with your shoulders.

3. Drag Curl With Hold

The drag curls hold involves holding the weight at the top of the movement for a set amount of time.

This exercise can help to increase the time under tension for the biceps, brachioradialis, and forearms, leading to increased muscle activation and growth.

FAQs

How many barbell curls should i do?

The number of barbell curls you should do will depend on your goals and fitness level.

1. For General Fitness: 2–3 sets of 8–12 repetitions with a moderate weight.
2. For Muscle Building: 3–4 sets of 6–8 repetitions with a heavy weight.
3. For Endurance Training: 3–4 sets of 15–20 repetitions with a lighter weight.

Are barbell drag curls effective?

Yes, barbell drag curls can effectively target the biceps, brachioradialis, and forearms.

It helps to stimulate a greater number of muscle fibers.

Do drag curls target the long head?

Yes, the barbell drag curl can target the long head of the biceps muscle.

The unique grip and movement pattern can help target the long head better than traditional bicep curls.

References

• Marcolin G, Panizzolo FA, Petrone N, Moro T, Grigoletto D, Piccolo D, Paoli A. Differences in electromyographic activity of biceps brachii and brachioradialis while performing three variants of curl. PeerJ. 2018 Jul 13;6:e5165. doi: 10.7717/peerj.5165. PMID: 30013836; PMCID: PMC6047503.
• Naito A. Electrophysiological studies of muscles in the human upper limb: the biceps brachii. Anat Sci Int. 2004 Mar;79(1):11-20. doi: 10.1111/j.1447-073x.2004.00064.x. PMID: 15088788.
• Nakazawa K, Kawakami Y, Fukunaga T, Yano H, Miyashita M. Differences in activation patterns in elbow flexor muscles during isometric, concentric and eccentric contractions. Eur J Appl Physiol Occup Physiol. 1993;66(3):214-20. doi: 10.1007/BF00235096. PMID: 8477676.