All Exercises

Dumbbell Alternate Seated Hammer Curl

Build powerful biceps and forearms with the Dumbbell Alternate Seated Hammer Curl. This exercise isolates your arm muscles for focused strength and growth.

Intermediate
Isolation
Pull
1 min per set2 min rest

Description

A strength training exercise that targets the biceps and forearms. The individual is seated and alternates curls with a dumbbell in each hand in a hammer grip.

How to Do Dumbbell Alternate Seated Hammer Curl

  1. 1
    Setup

    Sit upright on a flat bench with your feet flat on the floor, holding a dumbbell in each hand with a neutral grip (palms facing each body).

  2. 2
    Setup

    Allow your arms to hang fully extended at your sides, keeping your chest up and shoulders slightly back.

  3. 3

    Exhale as you curl one dumbbell upwards towards your shoulder, keeping your elbow stationary and tucked close to your torso.

  4. 4

    Squeeze your bicep and forearm at the top of the movement, then slowly lower the dumbbell back to the starting position with control as you inhale.

  5. 5

    Immediately repeat the curling motion with the other arm, alternating sides until you complete the desired number of repetitions for each arm.

Tips

  • Maintain a strict form by keeping your elbows tucked close to your torso throughout the movement to maximize bicep and forearm engagement.
  • Control the eccentric phase: slowly lower the dumbbell back down, resisting gravity to increase time under tension and muscle growth.
  • Avoid momentum: do not swing the dumbbells up; instead, use controlled muscle contraction to lift and lower the weight.
  • Focus on the squeeze: consciously contract your biceps and forearms at the peak of the curl for a more effective muscle activation.

Common Mistakes

  • ×Swinging the dumbbells up reduces muscle activation; instead, use a controlled motion, lifting the weight purely with your bicep and forearm.
  • ×Allowing your elbows to flare out shifts tension away from the target muscles; keep them tucked close to your sides to maintain isolation.
  • ×Rushing the negative (lowering) phase diminishes muscle growth; focus on a slow, controlled descent to maximize time under tension.

Variations

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