Cable Unilateral Bicep Curl
Perform a cable unilateral bicep curl to isolate each bicep, building strength and muscle definition. Control the movement for optimal arm development.
Description
A strength training exercise where an individual curls a cable towards their body, targeting the bicep muscle on one arm at a time.
How to Do Cable Unilateral Bicep Curl
- 1Setup
Attach a single handle to a low pulley cable machine. Stand facing the machine, a few feet away, with your feet shoulder-width apart.
- 2Setup
Grab the handle with an underhand grip (palm up) using one hand. Take a small step back to create tension on the cable, keeping your elbow close to your side and your arm fully extended.
- 3
Exhale as you slowly curl the handle upwards towards your shoulder, contracting your bicep. Keep your elbow stationary and avoid swinging your torso.
- 4
Continue curling until your bicep is fully contracted and the handle is near your shoulder. Squeeze your bicep at the top for a brief moment.
- 5
Inhale as you slowly lower the handle back to the starting position with control, allowing your bicep to fully stretch. Do not let the weight stack crash.
Tips
- Maintain core stability by bracing your abdominal muscles throughout the movement to prevent your body from swaying and to ensure all tension remains on the bicep.
- Focus on the eccentric phase by controlling the lowering part of the curl for at least 2-3 seconds to maximize muscle growth and minimize momentum.
- Keep your elbow tucked firmly against your side throughout the entire movement to effectively isolate the bicep and prevent unwanted shoulder involvement.
- Vary your grip slightly on the handle or the angle of your wrist to subtly shift the emphasis on different heads of the bicep muscle.
Common Mistakes
- ×Swinging the weight by using momentum from your body reduces bicep engagement; fix this by lowering the weight and focusing on a strict, controlled curl with a stable torso.
- ×Allowing the elbow to move forward during the curl shifts tension away from the bicep and onto the front deltoids; correct this by keeping your elbow locked at your side and only moving your forearm.
- ×Not fully extending the arm at the bottom reduces the range of motion and potential muscle stretch; ensure a complete stretch at the bottom without locking out the elbow joint forcefully.
Variations

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Cable Drag Curl
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Related Exercises

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Body Up
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