Lever One Arm Shoulder Press

A focused shoulder exercise targeting the anterior and medial deltoids. Working one arm at a time improves core stability and ensures equal strength development.

Exercise Details

Level: Advanced
Body Area: upper
Type: push
Mechanics: Compound
Movement: Unilateral

Required Equipment

Leverage Machine

Target Muscle Groups

Primary

Shoulders

Secondary

Triceps

Setup

Sit in the machine with your back flat against the pad. Grip one handle with a neutral or pronated grip. Plant your feet firmly on the floor.

Instructions

1. Press the handle upward until your arm is fully extended but not locked.
2. Lower the handle slowly back to ear level.
3. Maintain an upright posture with your chest lifted.
4. Keep your core engaged to prevent leaning.
5. Finish the set then switch arms.

Common Mistakes

1. Arching the lower back.
2. Leaning to the side of the working arm.
3. Not reaching full extension.

Alternative Exercises

Upright Shoulder External Rotation

Intermediate / Dumbbells / Shoulders / isolation

A prehab exercise targeting the rotator cuff. It improves shoulder stability and protects against injuries during heavy pressing movements.

Upright Row

Beginner / EZ Bar / Shoulders / pull

A compound shoulder exercise targeting the deltoids and upper trapezius. It helps build shoulder width and improves the vertical pulling strength.

Triceps Pushdown

Beginner / Hi-Lo Cable Machine / Triceps / push

A primary isolation exercise for the triceps. It focuses on the lateral and medial heads to build strength and definition in the back of the arm.

Triceps Press

Intermediate / Bodyweight-only / Triceps / push

An isolation exercise for the triceps. By using bodyweight and a specific angle, it targets the lateral and long heads for improved arm definition.

Standing Triceps Extension

Beginner / Dumbbells / Triceps / isolation

A classic triceps builder targeting the long head. The overhead position provides a deep stretch, leading to better muscle fiber recruitment and arm mass.

Standing One Arm Extension

Beginner / Dumbbells / Triceps / isolation

A unilateral overhead triceps isolation movement. It maximizes the stretch on the long head and corrects arm strength discrepancies between sides.

Standing Kickback

Beginner / Dumbbells / Triceps / isolation

A triceps isolation movement that emphasizes the lockout. The standing position challenges the core and lower back to maintain a flat, stable hinge.

Smith Upright Row

Beginner / Smith Machine / Shoulders / pull

A compound movement for the deltoids and upper traps. The Smith machine ensures a consistent vertical path close to the body for better shoulder isolation.

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