
Hammer curls are a great exercise to build upper arm strength and increase curling strength. They work the elbow flexors, specifically the biceps brachii, brachioradialis, and brachialis muscles. These muscles are responsible for bending the elbow and bringing the hand to the shoulder. Hammer curls can be performed with dumbbells while standing or sitting, and target similar muscles to traditional bicep curls.
| Characteristics | Values |
|---|---|
| Muscle Group | Biceps |
| Target Muscle | Brachialis |
| Elbow Flexors | Biceps Brachii, Brachioradialis, Brachialis |
| Muscle Benefits | Increased Muscle Mass, Improved Curling Strength, Improved Grip Strength |
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What You'll Learn

Hammer curls work the biceps brachii
Hammer curls are a great way to build your upper arms and increase your curling strength. They are performed with your hands facing each other, and they work the biceps brachii, brachioradialis, and brachialis muscles. These muscles are responsible for bending the elbow and creating motion at both the elbow and shoulder joints.
The biceps brachii is the most superficial of the flexor muscles and is the most visible mass on the front of the arm. It has two heads that originate at the shoulder joint and insert on the radius bone, just below the elbow. This muscle not only flexes the elbow but also assists in shoulder flexion, making it an important muscle for upper body movement.
By performing hammer curls, you can effectively target the biceps brachii and help add mass to your arms. This exercise can be performed with dumbbells while standing or sitting, keeping your back straight and elbows against your sides. It is important to bend your elbows and bring the dumbbells up towards your shoulders while maintaining proper form.
Additionally, hammer curls can be beneficial if you're looking to isolate and focus on your biceps. They are a great alternative to traditional bicep curls, providing variety in your workout routine. Hammer curls also target the long head of the bicep, allowing you to work on both the long and short heads of this muscle group.
Overall, hammer curls are an excellent choice for those seeking to build their biceps brachii and achieve more defined and stronger upper arms. They are a popular exercise due to their effectiveness in targeting this muscle group and can be easily incorporated into your fitness regimen.
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Brachioradialis is targeted
Hammer curls are a great exercise to build strength in the muscles that bend your elbow. They are a variation of the traditional bicep curl, but with a different grip. The hammer curl grip, which is a neutral grip with palms facing each other, allows more focus on the short head of the biceps.
The hammer curl also targets the brachioradialis, which is one of the elbow flexors. The brachioradialis is a muscle that originates on the upper arm, closer to the elbow joint, and terminates on the forearm, just before the wrist. This muscle helps to flex the elbow and gives visible mass to the front of the forearm. It is a giant muscle that protrudes past the elbow and slopes down towards the wrist.
The hammer curl is an isolation movement that targets the bicep muscle. However, the inclusion of the brachioradialis muscle is necessary for this exercise. The neutral grip of the hammer curl shifts the focus to the brachialis, which sits beneath the biceps and is the primary mover for elbow flexion. By targeting the brachialis, the biceps will also benefit and appear more defined.
Overall, the hammer curl is a great exercise to build strength in the elbow flexors, including the brachioradialis, and to increase the appearance of muscle definition in the arm.
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Brachialis is another muscle group worked
Hammer curls are a great exercise to build upper arm strength and increase curling strength. They are similar to traditional bicep curls but are performed with the palms facing each other. This exercise works the elbow flexors, which are responsible for bending the elbow. The elbow flexors are made up of three muscles: the biceps brachii, brachioradialis, and brachialis.
The brachialis muscle group is a less well-known muscle group that is targeted by hammer curls. The brachialis muscle is one of the key muscles that make up the elbow flexors and helps to make arms look bigger. By doing hammer curls, you can give your brachialis muscles some focused work and help develop a stronger mind-muscle connection.
The brachialis muscle is located in the upper arm and is responsible for flexing the elbow. It is deeper than the biceps brachii and originates on the upper arm, closer to the elbow joint. The brachialis muscle helps to create motion at the elbow joint and assists in bending the elbow. During a hammer curl, the brachialis muscle is engaged as the elbow bends and the dumbbell is curled up towards the shoulder.
To effectively target the brachialis muscle during hammer curls, it is important to maintain proper form. This includes standing or sitting with the back straight and elbows against the sides. Keep the upper arms still and perpendicular to the floor, moving only at the elbow joint. Curl the dumbbell up towards the shoulder, squeezing the biceps at the top of the movement. Avoid shifting the elbow forward to keep the shoulders stable.
By incorporating hammer curls into your workout routine and focusing on proper form, you can effectively target the brachialis muscle group and promote overall arm development and strength.
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They are good for building upper arm strength
Hammer curls are an excellent way to build upper arm strength. They are a variation of the traditional bicep curl, with the palms facing each other instead of facing upwards. This small change in hand positioning works the biceps in a different way, targeting the short head of the biceps brachii, as well as the brachialis and brachioradialis muscles. These muscles are the elbow flexors, responsible for bringing the hand to the shoulder by bending the elbow.
The hammer curl is a great exercise to add to your program to build upper arm strength and increase curling strength. It can also be a good alternative to the traditional bicep curl if you are looking for variety. Hammer curls can help add mass to your arms because the grip positioning often allows you to lift heavier weight. The neutral grip of the hammer curl allows for a sturdier position, aligning more naturally with the elbow, which increases muscle activation.
The hammer curl is a single-joint movement that can increase bicep and forearm hypertrophy, as well as grip development. It is a great exercise for bodybuilders looking to increase arm size and address any weak points in their physique. The movement can also improve pulling performance, grip strength, and wrist and elbow stability.
To perform a hammer curl, stand with your feet hip-width apart, holding a pair of dumbbells with your palms facing each other. Keep your back straight and your elbows against your sides. Squeeze your shoulder blades, abs, and glutes to create full-body tension. Curl the dumbbells up, moving only at the elbow joint, until your lower arms touch your upper arms. Keep your upper arms still and perpendicular to the floor. Squeeze your biceps at the top of the movement and slowly straighten your elbows to return to the starting position.
Hammer curls are a great way to build upper arm strength, targeting multiple muscles in the arm and allowing for the use of heavier weights. They are a simple variation of the traditional bicep curl, offering a more comprehensive arm exercise and a great addition to any workout program.
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Hammer curls can be performed with dumbbells
Hammer curls are a great exercise to build your upper arms and increase your curling strength. They are a variation of the biceps curl and target muscles in the upper and lower arm, specifically the elbow flexors. These are the muscles that bring your hand to your shoulder by bending your elbow. Hammer curls can be performed with dumbbells, and here is how you can do them:
Stand with your legs straight but not locked, and your knees aligned under your hips. Your feet should be about hip-width apart. Hold a dumbbell in each hand, with your arms at your sides and the weights resting next to your outer thighs. Your palms should be facing each other, and your elbows should be against your sides. Keep your back straight and your shoulders relaxed.
Now, bend your elbows, bringing the dumbbells up towards your shoulders while keeping your upper arms stationary and in line with your trunk. Your wrists should be in line with your forearms, and your palms will remain facing each other. Squeeze your biceps at the top of the movement and hold for a second. Finally, slowly lower the dumbbells back to the starting position and repeat.
If you are a beginner, you can start with two sets of 7-10 repetitions each and gradually increase from there. You can also try alternating between lifting your right and left arm instead of lifting both arms simultaneously. Additionally, if you are new to weight training, it is recommended to try the movements without weights or with very light weights first to get comfortable with the proper form.
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Frequently asked questions
Hammer curls work the biceps brachii, brachioradialis, and brachialis muscles.
The brachialis muscles help to make your arms look bigger.
Hammer curls can help build your upper arms and increase your curling strength. They can also be a good alternative to traditional bicep curls.
Stand with your feet hip-width apart, holding a pair of dumbbells with your palms facing each other. Bend your elbows, bringing the dumbbells up toward your shoulders. Pause, then slowly lower the dumbbells back down.
It is recommended to perform 2-3 sets of 8-15 repetitions of hammer curls.











































