One-Arm Lying Triceps Extension

Overview

The one-arm lying triceps extension is a unilateral exercise that targets the triceps brachii by extending the elbow against resistance. It is performed in a lying position to minimize momentum and maximize triceps engagement. The movement involves lowering a dumbbell towards the forehead or slightly behind the head, followed by extending the arm back to the starting position.

How to Perform:

Setup:

Lie flat on a bench or the floor with your back fully supported.
Hold a dumbbell in one hand with a neutral or supinated grip (palm facing up).
Extend your arm straight above your shoulder.

Lowering Phase:

Slowly bend your elbow to lower the dumbbell toward your forehead or just behind your head.
Keep your upper arm stationary and perpendicular to the floor.
Avoid flaring your elbow outward; keep it aligned with your shoulder.

Lifting Phase:

Engage your triceps to extend your arm back to the starting position.
Maintain control throughout the movement, avoiding rapid or jerky motions.
Fully extend your elbow but do not lock it out.

Repetitions and Breathing:

Perform 8-15 repetitions per arm, depending on your training goals.
Inhale while lowering the dumbbell and exhale while extending the arm.

Tips for Proper Form:

Keep your elbow fixed in place to maximize triceps activation.

Lower the dumbbell with control to avoid straining the elbow joint.

Use a moderate weight that allows proper form without excessive strain.

Engage your core to maintain stability while lying on the bench.

Perform the exercise through a full range of motion for optimal muscle activation.

Common Mistakes:

Flaring the Elbow: Reduces triceps isolation and can lead to shoulder strain.

Using Excessive Weight: Compromises form and increases injury risk.

Rushing the Movement: Reduces time under tension, limiting muscle engagement.

Arching the Lower Back: Can cause unnecessary strain on the spine.

Not Controlling the Eccentric Phase: Lowering the weight too quickly minimizes muscle activation.

Benefits of the One Arm Lying Triceps Extension:

Unilateral Strength Development: Corrects muscle imbalances by working each arm independently.

Full Triceps Activation: Effectively targets all three heads of the triceps for complete development.

Improved Arm Definition: Helps build strong and toned arms.

Joint-Friendly Alternative: Offers a controlled range of motion, reducing strain on the elbows and shoulders.

Increased Mind-Muscle Connection: Allows better focus on the triceps compared to bilateral movements.

Versatility: Can be performed on a bench or floor with minimal equipment.

Overview

How to Perform:

Tips for Proper Form:

Common Mistakes:

Benefits of the One Arm Lying Triceps Extension:

Muscles Worked