Dumbbell Hammer Curl

Also known as: Hammer Curls

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Body Part: Biceps

Description

The Dumbbell Hammer Curl is an isolation exercise targeting the brachialis, brachioradialis, and biceps brachii muscles. It is performed with dumbbells and involves a neutral grip, which emphasizes the forearms and the outer head of the biceps.

How to Perform

Stand upright with your feet shoulder-width apart and hold a dumbbell in each hand with a neutral grip, palms facing each other.
Keep your elbows close to your torso and your back straight.
Curl the weights by bending your elbows, keeping your upper arms stationary.
Continue lifting until your forearms are vertical or slightly past vertical.
Pause briefly at the top of the movement, squeezing your biceps.
Slowly lower the dumbbells back to the starting position, fully extending your arms.
Repeat for the desired number of repetitions.

What Muscles Work

Primary Muscle:

Secondary Muscles:

Tips

Maintain a controlled motion throughout the exercise to maximize muscle engagement.
Avoid swinging the weights or using momentum to lift them.
Keep your wrists straight and avoid bending them during the curl.
Focus on squeezing your biceps at the top of each repetition for maximum contraction.
Ensure that your elbows remain tucked in close to your body to isolate the biceps effectively.
Start with lighter weights to perfect your form before progressing to heavier loads.

Common Mistakes

Swinging the body or using momentum to lift the weights instead of isolating the biceps.
Allowing the elbows to flare out instead of keeping them close to the torso.
Using too heavy weights, leading to improper form and reduced muscle engagement.
Not maintaining a neutral wrist position, which can lead to strain.
Failing to fully extend the arms at the bottom of the movement, limiting range of motion.
Curling the wrists at the top of the movement instead of keeping them straight.
Leaning back excessively, which reduces bicep activation and increases lower back strain.
Moving the shoulders forward or upward, which shifts focus away from the biceps.