How is hammer curl different from arm curl?

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Hammer curls and arm curls are both effective exercises for building arm strength, but they target muscles slightly differently due to variations in grip and movement.

Hammer Curl

  • Grip: Neutral grip (palms facing each other).
  • Muscles Targeted: Primarily targets the brachialis and brachioradialis, along with the biceps brachii.
  • Benefits: Enhances forearm strength and adds width to the upper arm. It can also improve grip strength.

Arm Curl (Bicep Curl)

  • Grip: Supinated grip (palms facing up).
  • Muscles Targeted: Primarily targets the biceps brachii, with some engagement of the brachialis.
  • Benefits: Focuses on building the peak of the biceps, contributing to the classic “bicep bulge.”

Key Differences

  1. Grip Position: Hammer curls use a neutral grip, while arm curls use a supinated grip.
  2. Muscle Emphasis: Hammer curls emphasize the forearms and brachialis more, whereas arm curls focus more on the biceps brachii.
  3. Range of Motion: The different grips alter the range of motion and muscle activation.

Incorporating both exercises into your routine can provide balanced arm development.

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