Instructions

1

Stand upright with feet shoulder-width apart, arms at your sides holding a dumbbell in each hand with palms facing forward and a neutral grip

2

Maintain a stable posture with shoulders back, core engaged, and minimal body movement to isolate the biceps

3

Slowly lower the dumbbells back to the starting position by extending the elbows, controlling the weight throughout the eccentric phase with a 2-3 second tempo

4

Curl the dumbbells upward by flexing the elbows, bringing the weights toward the shoulders while keeping upper arms stationary, squeeze at the top briefly, then return to start

PRIMARY MUSCLESBiceps Brachii

SECONDARY MUSCLESBrachialis, Brachioradialis, Anterior Deltoid

EQUIPMENTOlympic barbell

DIFFICULTYBeginner

Overview

Athletic trainers and bodybuilding coaches frequently recommend the Olympic Barbell Hammer Curl because it challenges the Biceps Brachii through a dynamic range of motion. By relying on Olympic barbell, it reinforces proper movement patterns and builds robust strength in the Forearms region.

Benefits

Improves overall Forearms stability and proprioception during heavy loads.
Acts as a highly scalable Strength movement, perfect for both beginners and elite athletes.
Allows for a natural movement path that closely mimics functional daily activities.

Common Mistakes

Rushing the repetition tempo instead of focusing on the mind-muscle connection with the Forearms.
Using excessive momentum to swing the Olympic barbell rather than controlling the eccentric phase.
Failing to achieve a full range of motion, which drastically limits Biceps Brachii engagement.

Muscle Anatomy

The primary driver is the Biceps Brachii. However, the movement also recruits Brachialis, Brachioradialis, Anterior Deltoid to maintain control of the Olympic barbell.

Exercise Variations

Dumbbell Olympic Barbell Hammer Curl
Cable Olympic Barbell Hammer Curl
Banded Olympic Barbell Hammer Curl

Olympic Barbell Hammer Curl