Single Arm Machine Shoulder Press: How-to, Tips & More

The Single Arm Machine Shoulder Press is a beginner compound exercise for your shoulders. You do it with shoulder press machine, one side at a time. It is a good fit when your goal is muscle growth.

Besides the shoulders, it also works your triceps and upper chest, so it fits well in a session that trains those muscles together.

Muscles worked

Shoulders muscle

Shoulders

Primary

Triceps muscle

Triceps

Secondary

Upper chest muscle

Upper chest

Secondary

How to do the Single Arm Machine Shoulder Press

  1. Sit in the machine with your back against the pad.
  2. Grip one handle at shoulder height.
  3. Press it overhead until your arm is straight.
  4. Lower slowly, then switch sides after the set.

Single Arm Machine Shoulder Press tips

  • Hold the other handle to keep your body steady.

Sets and reps

Most lifters do well with 8 to 15 reps per set, and 8 to 15 reps is where this exercise tends to work best. Use a weight that leaves one or two reps in reserve on every set, and add weight once you can complete all your sets at the top of the range. It also works well in a superset with an exercise for the opposite muscles. You can finish with a drop set when you want extra volume.

Equipment

Shoulder press machine

Type

Compound

Single Arm Machine Shoulder Press alternatives

More shoulders exercises

Frequently asked questions

What muscles does the Single Arm Machine Shoulder Press work?

The Single Arm Machine Shoulder Press mainly works your shoulders, with help from your triceps and upper chest.

How many sets and reps should I do?

A good starting point is 8 to 15 reps per set, and many lifters get the best results between 8 to 15 reps. Use a weight that leaves one or two reps in reserve.

Is the Single Arm Machine Shoulder Press good for beginners?

Yes. The Single Arm Machine Shoulder Press is considered beginner and is a good choice if you are new to training. Start light and focus on form.

What equipment do I need for the Single Arm Machine Shoulder Press?

You need shoulder press machine.

Single Arm Machine Shoulder Press demonstration

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