Overview

The EZ barbell biceps curl is a popular variation of the traditional barbell curl that uses an EZ curl bar with a zig-zag shape. This shape allows for a semi-supinated (angled) grip, reducing strain on the wrists and elbows compared to straight bars while still effectively targeting the biceps brachii and supporting muscles. It is favored for promoting arm muscle growth and strength with joint comfort.

Target Muscle Groups

• Primary: Biceps brachii (long head and short head)

• Secondary: Brachialis, Brachioradialis, Forearm flexors

How to Perform EZ Barbell Biceps Curl

Setup

1. Stand with feet shoulder-width apart, knees slightly bent for balance.

2. Grip the EZ curl bar with an underhand grip on the angled sections of the bar, arms fully extended by your sides.

3. Position your hands shoulder-width apart or slightly narrower depending on which part of the biceps you wish to emphasize (narrow grip for peak, wider grip for width).

4. Engage your core and keep your shoulder blades pulled back.

Execution

1. Keep your elbows stationary pinned to your sides throughout the movement.

2. Curl the bar upwards by bending the elbows and contracting the biceps, raising the bar toward your chest or shoulder level.

3. Pause briefly at the top, squeezing your biceps for maximal activation.

4. Slowly lower the bar back to the starting position with control, emphasizing an eccentric contraction.

5. Avoid any swinging or using momentum.

6. Repeat for the desired number of repetitions.

Tips for Proper Form

• Keep wrists in a strong, neutral position to minimize strain.

• Avoid exaggerating the back or shoulder movement.

• Maintain a slow, controlled tempo focusing on muscle tension.

• Choose a weight that allows strict form without compromise.

• Breathe out on the curl, inhale when lowering.

Common Mistakes to Avoid

• Letting elbows flare out or move forward.

• Using momentum or swinging the load.

• Excessive wrist bending or twisting.

• Lifting too heavy causing compensatory movements.

• Holding your breath during the set.

Benefits

• Reduces wrist and elbow stress compared to straight barbell curls.

• Targets all heads of the biceps with less joint discomfort.

• Allows heavier lifting with safer grip mechanics.

• Maintains constant tension on the biceps for hypertrophy.

• Enhances forearm strength and grip endurance.