Barbell Curls
Forearms·Barbell·Beginner·Compound
Isometric Hold Hammer Curl
The isometric hold hammer curl is an arm-building variation where one arm performs a hammer curl while the other holds a 90-degree static contraction. This technique increases time under tension, builds brachialis and forearm strength, and improves grip endurance.
Category
Strength
Difficulty
Beginner
Movement
Isolation
Bodyweight
No
Sculpt
How to
How to do the Isometric Hold Hammer Curl
- 01
Stand holding a dumbbell in each hand with a neutral (hammer) grip, arms at your sides.
- 02
Curl the dumbbell in your non-working arm to a 90-degree angle and hold it there isometrically.
- 03
With your working arm, perform a full hammer curl, raising the dumbbell toward your shoulder.
- 04
Lower the working arm back down under control to the starting position.
- 05
Complete all reps on one side while maintaining the isometric hold with the other arm.
- 06
Switch arms and repeat, performing the isometric hold on the opposite side.
Performance tips
Cues that matter
- Keep your elbows pinned to your sides and avoid swinging the torso.
- Maintain a strict 90-degree angle on the holding arm throughout the set.
- Use a weight you can control — isometric holds fatigue the arm quickly, so start light.
Common questions
Frequently asked
What muscles does the Isometric Hold Hammer Curl work?
The Isometric Hold Hammer Curl primarily targets the Biceps. Supporting muscles include Forearms.
Is the Isometric Hold Hammer Curl a compound or isolation exercise?
The Isometric Hold Hammer Curl is an isolation exercise, meaning it focuses on a single muscle group through one joint movement.
What equipment do I need for the Isometric Hold Hammer Curl?
You need the following equipment: Dumbbells.
What difficulty level is the Isometric Hold Hammer Curl?
The Isometric Hold Hammer Curl is rated as beginner difficulty. It is suitable for those new to resistance training.
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