Description
A dumbbell exercise performed over the bench that specifically targets the biceps by rotating the forearm and engaging the bicep muscle.
How to Do Dumbbell Over the Bench Supination
- 1Setup
Sit on a flat bench and rest your working forearm on your thigh or the bench, allowing your hand to hang off the edge while holding a dumbbell.
- 2Setup
Grip the dumbbell with an overhand (pronated) grip, so your palm faces downwards towards your leg.
- 3
Keeping your upper arm and elbow stationary, slowly rotate your forearm upwards, turning your palm towards the ceiling as far as comfortably possible.
- 4
Squeeze your forearm muscles at the peak of the supination, ensuring your palm is fully facing up.
- 5
Control the movement as you slowly lower the dumbbell back to the starting pronated position, allowing a full stretch in your forearm.
Tips
- Focus solely on the rotation of your forearm; avoid using your bicep or shoulder to lift the weight.
- Maintain a slow, controlled tempo throughout the entire range of motion, emphasizing both the upward (concentric) and downward (eccentric) phases.
- Ensure your elbow remains firmly planted on your thigh or the bench to prevent momentum from assisting the movement.
- Breathe out as you supinate the dumbbell upwards and inhale as you return to the starting position.
Common Mistakes
- ×Using excessive weight often leads to compensation by moving the elbow or shoulder; reduce the weight to ensure strict isolation of the forearm rotators.
- ×Failing to achieve a full range of motion means missing out on complete muscle activation; ensure your palm fully faces up at the top and fully down at the bottom.
- ×Rushing the eccentric (lowering) phase diminishes muscle time under tension; control the descent for optimal growth and stability.
Variations

Dumbbell Over Bench Wrist Curl
Strengthen your forearms and grip with the Dumbbell Over Bench Wrist Curl. This isolation exercise targets wrist extensors for improved wrist stability

Dumbbell Over Bench One Arm Wrist Curl
Strengthen your forearms with the Dumbbell Over Bench One Arm Wrist Curl. This isolation exercise targets your wrist extensors, improving grip strength

Dumbbell Over Bench Neutral Wrist Curl
Strengthen your forearms with the Dumbbell Over Bench Neutral Wrist Curl. This isolation exercise targets the brachioradialis, improving grip strength and

Dumbbell Lying Supination
Strengthen your forearms with Dumbbell Lying Supination. Isolate and build the muscles responsible for rotating your forearm outward.
Related Exercises

Dumbbell Standing Wrist Reverse Curl
Strengthen your forearm extensors with the Dumbbell Standing Wrist Reverse Curl. Improve grip strength and wrist stability for better lifting performance.

Dumbbell Standing Back Wrist Curl
Strengthen your forearms with the Dumbbell Standing Back Wrist Curl. This isolation exercise targets wrist extensors, enhancing grip and wrist stability.

Dumbbell Seated Reverse Grip Biceps Curl
Target your brachioradialis with the Dumbbell Seated Reverse Grip Biceps Curl. Build forearm strength and definition with controlled movements.

Dumbbell Seated Palms Up Wrist Curl
Strengthen your forearms and improve grip strength with the Dumbbell Seated Palms Up Wrist Curl.

Weighted Plate Standing Hands Torsion
Strengthen your forearms and wrists with this plate rotation exercise that builds grip and rotational power.

StrongMan Apollons Axle
Master the StrongMan Apollon's Axle lift, a challenging full-body exercise using a thick barbell.
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