Exercise guide
Dumbbell Bent Over Curl
- Intermediate
- Isolation
- Rep-based
- Back
- Upper arms
This isolation exercise targets the biceps brachii, specifically emphasizing the peak of the muscle by using gravity and a fixed arm position to eliminate momentum. It is highly effective for developing bicep height and improving mind-muscle connection.
Reviewed by the Crucible team · Updated June 2026
Muscles worked
Setup
- Stand with your feet shoulder-width apart and hinge at the hips until your torso is nearly parallel to the floor.
- Hold a dumbbell in one hand with an underhand (supinated) grip, letting the arm hang straight down perpendicular to the floor.
- Place your free hand on your thigh or a stable bench to support your lower back and maintain balance.
How to do it
- Exhale as you curl the dumbbell toward your shoulder, keeping your upper arm completely vertical and stationary.
- Squeeze your bicep forcefully at the top of the movement for a one-second peak contraction.
- Inhale as you slowly lower the weight back to the starting position over a controlled 3-second tempo.
- Complete all repetitions on one arm before switching to the other side.
Form checklist
- Keep your elbow fixed in space; do not let it swing forward or backward during the curl.
- Maintain a neutral spine and avoid using a 'rowing' motion with your shoulder to lift the weight.
- Ensure your arm reaches full extension at the bottom of every rep to recruit all muscle fibers.
- Keep your wrist neutral or slightly flexed to keep the tension on the bicep rather than the forearm.
Pro tips
- Rotate your pinky finger toward your shoulder at the top of the rep (supination) to maximize the contraction of the bicep's short head.
- Imagine your upper arm is pinned to an invisible wall to ensure only the forearm is moving.
Make it harder
- Implement a 3-second isometric hold at the midpoint (90-degree angle) of the movement on every repetition.
- Use a 'fat grip' or wrap a towel around the dumbbell handle to increase forearm activation and grip challenge.
Frequently asked
- What muscles does the dumbbell bent over curl work?
- The dumbbell bent over curl primarily targets the biceps, and also works the forearms as secondary muscles.
- What equipment do you need for the dumbbell bent over curl?
- The dumbbell bent over curl uses dumbbell.
- Is the dumbbell bent over curl good for beginners?
- The dumbbell bent over curl is rated intermediate. Build a base with simpler variations first, then progress to it with light load and strict form.