Hammer Curls: Build Thicker Biceps and Stronger Forearms

Hammer Curls are one of the best exercises for building bicep thickness and strengthening the brachialis — the muscle that gives your arms that rounded, solid look.The neutral grip also targets the forearms and improves grip strength, making hammer curls a brilliant all-round arm builder. If you want bigger, stronger arms with better carryover to real-life strength, hammer curls should be in your routine.

🎥 How to Perform Hammer Curls

💪 Muscles Worked in Hammer Curls

• Biceps

• Brachialis

• Brachioradialis (forearms)

• Grip muscles

🏋️ Step-by-Step Instructions

1. Stand tall with dumbbells by your sides, palms facing in.

2. Keep elbows tucked close to your ribs.

3. Curl the dumbbells up while maintaining the neutral grip.

4. Squeeze the biceps at the top.

5. Lower slowly and under control.

6. Avoid swinging — keep tension on the muscles.

🔥 Benefits of Hammer Curls

• Builds arm thickness

• Strengthens forearms and grip

• Easier on the wrists than standard curls

• Great for elbow stability

• Helps with pull-ups, rows, and deadlifts

• Works well for beginners and advanced lifters

⚠️ Common Mistakes

• Swinging the torso

• Lifting elbows forward

• Dropping the dumbbells quickly

• Bending the wrists

• Using weights that are too heavy

🔄 Progressions & Regressions

Easier:

• Alternating hammer curls

• Seated hammer curls

• Lighter dumbbells

Harder:

• Cross-body hammer curls

• Slow tempo (3-second lowering)

• Pause at the top

💡 How to Use Hammer Curls in Your Training

• Hypertrophy: 10–15 reps

• Strength: 6–8 reps

• Finisher: 15–20 reps slow and controlled

• Works great at the end of an upper-body or arm session.

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