How to Do Iso Lateral Shoulder Press Single Arm

Iso Lateral Shoulder Press Single Arm is a shoulders exercise using bodyweight, listed as intermediate in the A90 Training Club catalogue.

Primary muscle

Shoulders

Equipment

Bodyweight

Difficulty

Intermediate

01 / Move with control

How to perform

How to do Iso Lateral Shoulder Press Single Arm

  1. 01Stand with feet hip-width apart and keep the non-working arm tight against the side of the body.
  2. 02Raise the working arm to shoulder height with the elbow bent at 90 degrees and the palm facing forward.
  3. 03Press the hand vertically toward the ceiling until the elbow reaches full extension.
  4. 04Pause at the peak of the movement to ensure the shoulder blade is retracted.
  5. 05Lower the arm back to the starting position at ear level while maintaining a vertical forearm.

Same guidance shown inside the A90 app

02 / Anatomy

Muscles worked by Iso Lateral Shoulder Press Single Arm

Primary Stabiliser Inactive

Tap to explore manually

Primary movers

  • Front delts Raises the arm forward and overhead.
  • Rear delts Pulls the arm back and stabilises the shoulder.

Stabilisers

  • Core Stabilises the spine and transfers force.
  • Lower back Stabilises the spine during lifts and bends.
  • Forearms Grips and stabilises the wrist under load.

03 / A90 Coach

A90 Coach tip

If the elbow flares out or the shoulder hikes, press the non-working arm firmly into your thigh to create more lateral stability.

Same coaching engine used inside the A90 app

05 / FAQ

Iso Lateral Shoulder Press Single Arm questions

What muscles does Iso Lateral Shoulder Press Single Arm work?

Iso Lateral Shoulder Press Single Arm is catalogued as a shoulders exercise in A90 Training Club, with the shoulders as its primary muscle group.

How do you do Iso Lateral Shoulder Press Single Arm correctly?

Stand with feet hip-width apart and keep the non-working arm tight against the side of the body. Raise the working arm to shoulder height with the elbow bent at 90 degrees and the palm facing forward. Press the hand vertically toward the ceiling until the elbow reaches full extension. Pause at the peak of the movement to ensure the shoulder blade is retracted. Lower the arm back to the starting position at ear level while maintaining a vertical forearm.

What is the A90 coach tip for Iso Lateral Shoulder Press Single Arm?

If the elbow flares out or the shoulder hikes, press the non-working arm firmly into your thigh to create more lateral stability.

Is Iso Lateral Shoulder Press Single Arm suitable for beginners?

Iso Lateral Shoulder Press Single Arm is rated intermediate in the A90 Training Club catalogue.

Do you need equipment for Iso Lateral Shoulder Press Single Arm?

No. Iso Lateral Shoulder Press Single Arm is listed as a bodyweight movement in the A90 catalogue, so you can train it with no kit.

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