Shoulders Exercise · Leverage Machine

Lever One Arm Shoulder Press form demonstration - targeted for Delts Shoulders workouts

Lever One Arm Shoulder Press

Pressing overhead with one arm on a lever machine removes the ability to lean on a stronger side, forcing each shoulder to press its own load through a fixed, stabilized path. It's a useful diagnostic for shoulder strength imbalances that a two-arm press can hide.

Go to the movement steps
Category
Shoulders
Target
Delts

Exercise reference published by PlanWorkouts; see our editorial standards.

How to Do the Lever One Arm Shoulder Press

  1. Set the seat height and position yourself on the machine with your back against the pad.
  2. Grasp the lever handle with one hand and position your elbow at a 90-degree angle.
  3. Press the lever upward until your arm is fully extended overhead.
  4. Pause briefly at the top, then slowly lower the lever back down to the starting position.
  5. Repeat for the desired number of repetitions, then switch to the other arm.

Quick Exercise Facts

Movement Type Multi-Muscle (Compound)
Equipment Leverage Machine
Main Muscle Delts
Supporting Muscles Upper Back

Recommended Sets & Reps by Goal

Build Muscle 3 – 4 Sets × 8 – 12 Reps

Medium weight · 90–120s rest

Build Strength 4 – 5 Sets × 3 – 6 Reps

Heavy weight · 2–3 min rest (Calc 1RM)

Endurance & Stamina 2 – 3 Sets × 15 – 20 Reps

Light weight · 45–60s rest

Technique & Form Tips

For an overhead press, straighten the elbows as you move the arms upward and control the return. Match the grip, support and path to the demonstration. Other shoulder movements use different arm paths and should follow their own steps.

Common Mistakes to Avoid

  • Excessive back arching: Engage your core to maintain a stable torso position while pressing.
  • Using the wrong path: Follow the demonstrated path for the equipment and movement instead of forcing every variation into a barbell press.
  • Insufficient core bracing: Stabilize your trunk before initiating the upward push.

How to Breathe During This Exercise

Keep breathing; for presses, breathe out as you press and in as you return.

Free Workout Plan Generator

Add the Lever One Arm Shoulder Press to Your Custom Workout Routine

Build a personalized, science-backed workout plan matching your training goals, equipment access, and schedule.

Build Workout Plan →

Comfort and Control

Choose a load and range you can control. Stop if the movement causes pain. If discomfort persists, stop and ask a qualified professional about an appropriate exercise and range.

General guidance: Mayo Clinic on weight-training technique. Follow the specific movement steps above for this variation.

Muscles Worked

The Lever One Arm Shoulder Press mainly targets your Delts, with your Triceps helping support the movement, along with your Upper Back.

More Shoulders Exercises

More Delts Exercises

Equipment Alternatives

Don't have leverage machine? These target the same delts with different equipment.

FAQ

What muscles does the Lever One Arm Shoulder Press work?
The Lever One Arm Shoulder Press mainly works your delts. It also helps strengthen your triceps and upper back. Using good, smooth form makes sure you work the right muscles and avoid unnecessary strain on your joints.
What equipment do I need for the Lever One Arm Shoulder Press?
You do the Lever One Arm Shoulder Press with a leverage machine. Make sure your equipment is set up safely before starting. If you work out at home or have limited gear, check out our alternative exercises below.
What form mistake should I watch for on the Lever One Arm Shoulder Press?
One mistake to watch for is excessive back arching: Engage your core to maintain a stable torso position while pressing.. Use a comfortable range and a controlled return; reduce the load if you cannot maintain the demonstrated setup.
How many sets and reps should I perform on the Lever One Arm Shoulder Press?
To build muscle size, aim for 3 to 4 sets of 8 to 12 reps with 90 to 120 seconds of rest. To build pure strength, focus on 4 to 5 sets of 3 to 6 heavier reps with 2 to 3 minutes of rest.
What's a good alternative to the Lever One Arm Shoulder Press?
The Barbell Seated Behind Head Military Press trains your delts with barbell and a similar movement pattern. Review its form guide before substituting it, since setup and range of motion can differ.
Community Q&A

Questions & Form Advice: Lever One Arm Shoulder Press

Ask questions about joint angles, pain-free cues, or program substitutions.

Have a question about form cues, joint angles, or want to read discussions from other athletes?

Browse Community Discussions →