MACHINE LATERAL RAISES

The Machine Lateral Raise is a targeted isolation exercise for the shoulder muscles. It primarily works the lateral deltoid, which plays a major role in raising the upper arm sideways. The anterior deltoid and other shoulder and shoulder blade muscles assist with and stabilise the movement.

On a seated lateral raise machine, the upper arms press against side pads, depending on the machine design. This allows the lateral raising movement to be performed along a guided movement path with individually adjustable resistance.

Depending on the training programme, the machine lateral raise can be used for muscle growth, controlled strength development or muscular endurance. The key factors are correct machine adjustment, a stable seated position and controlled movement without excessive momentum.

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VIDEO: MACHINE LATERAL RAISES

This training video is currently in production and will be available soon. Once completed, it will demonstrate the basic movement pattern of lateral raises on a machine.

Pay particular attention to correct seat height, the positioning of the upper-arm pads, natural shoulder posture and controlled lateral raising of the arms.

The video will cover:

- correct seat height adjustment
- correct positioning of the upper-arm pads
- stable seated position with an upright upper body
- secure foot positioning on the floor
- correct elbow positioning
- secure grip on machines fitted with handles
- closed grip with thumbs fully wrapped around the handles
- controlled lateral raising of the upper arms
- natural shoulder blade movement
- individually adjusted range of motion
- slow lowering of the machine arms
- correct breathing during the exercise
- common technique mistakes and how to avoid them

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MUSCLES WORKED

Primary muscles:

- lateral deltoid (Musculus deltoideus, pars acromialis)
- anterior deltoid (Musculus deltoideus, pars clavicularis), depending on arm positioning and movement path

Supporting muscles:

- supraspinatus (Musculus supraspinatus) during arm abduction
- trapezius to support shoulder blade movement
- serratus anterior (Musculus serratus anterior)
- rotator cuff muscles for shoulder joint stabilisation
- abdominal and back muscles for upper-body stabilisation

The exact muscle involvement depends on factors such as machine design, upper-arm positioning, range of motion and individual body posture.

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STARTING POSITION

First, adjust the seat height of the lateral raise machine. The upper-arm pads should be positioned so that your upper arms rest comfortably and securely against the designated pads.

Sit upright on the seat. Depending on the machine design, your upper body may be supported by a backrest or held stable without one.

Place both feet securely on the floor or on the designated footrests. Keep your knees in a natural, comfortable position.

Position your upper arms against the side pads. Your elbows should be bent according to the machine design and positioned approximately alongside your upper body or slightly in front of it.

If the machine has additional handles, hold them with a secure, closed grip. Wrap your thumbs completely around the handles. Keep your wrists as straight as possible.

Keep your shoulders in a natural position. Avoid deliberately raising them towards your ears in the starting position.

Lightly engage your abdominal and back muscles. Maintain the natural alignment of your spine and avoid excessive lower-back arching.

The machine arms should be in the lower starting position. Choose a range of motion that suits the machine and your individual shoulder mobility.

Begin with a training weight that allows controlled lateral raising of your arms.

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HOW TO PERFORM THE MOVEMENT

1. Raise Your Upper Arms Sideways

Raise your upper arms sideways in a controlled manner by pressing against the designated upper-arm pads.

The movement primarily involves raising the upper arms sideways at the shoulder joints. Your shoulder blades move naturally as part of normal shoulder mechanics.

Keep your upper body still and avoid using momentum to lean backwards or sideways.

On machines with handles, keep your hands securely around them. Your wrists should remain as straight as possible.

Keep your elbows in the position intended by the machine. Avoid unnecessary compensatory movements with your forearms.

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2. Top Position

Raise your upper arms to a controlled top position. Depending on the machine and your individual mobility, your upper arms may reach approximately shoulder height.

A greater range of motion is not necessarily required. The priority is to keep the movement controlled and pain-free.

Maintain an upright upper-body position and keep your abdominal muscles lightly engaged.

Avoid excessive shoulder shrugging or suddenly pressing against the machine's mechanical end stop.

Briefly hold the top position under control without reducing the load on your shoulder muscles through uncontrolled body movement.

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3. Lower Your Upper Arms Under Control

Slowly lower your upper arms in a controlled manner.

Your shoulder muscles resist the downward movement as the machine arms return towards the lower starting position.

Keep your upper arms against the designated pads and avoid suddenly yielding to the training resistance.

Keep your upper body still and maintain the natural alignment of your spine.

Do not allow the weight stack to drop or slam down uncontrollably.

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4. Bottom Position

Return your upper arms to the starting position in a controlled manner.

Keep your shoulders in a natural position. Avoid allowing the machine's resistance to pull your arms uncomfortably far downwards or backwards.

Maintain muscular tension and begin the next repetition without suddenly jerking the machine arms upwards.

After the final repetition, return the machine arms under control and allow the weight stack or designated resistance mechanism to settle safely.

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BREATHING DURING MACHINE LATERAL RAISES

For general fitness training with controlled movements, the following breathing technique can be used:

When raising your upper arms sideways: breathe out.

When lowering your upper arms: breathe in.

Breathing should remain steady and coordinated with the movement.

Make sure your abdominal and back muscles stabilise your upper body throughout each repetition.

Avoid holding your breath unnecessarily for long periods. Machine lateral raises focus on controlled shoulder movement and appropriate training resistance.

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MACHINE LATERAL RAISES FOR MUSCLE GROWTH

When training for muscle growth, the main priorities are targeted loading of the lateral deltoid, sufficient training volume and gradual increases in resistance over time.

As a practical starting point, 10–15 repetitions per set may be used. However, muscle growth is also possible across other repetition ranges, provided the training load is appropriately managed.

Example:

- 3–4 working sets
- approximately 10–15 repetitions
- light to moderate training weight initially
- controlled lateral raising movement
- slow lowering of the machine arms
- stable seated position throughout the set
- adjust the training weight to your ability and technique

The machine lateral raise can complement shoulder presses and other shoulder exercises. The overall training volume for the shoulder muscles should be taken into account.

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MACHINE LATERAL RAISES FOR STRENGTH

Strength in the shoulder muscles involved in machine lateral raises can also be improved through gradual increases in resistance.

As this is a targeted isolation exercise, controlled strength development and proper movement technique take priority. Very heavy maximal strength attempts are not necessary for this exercise.

Example for experienced lifters:

- approximately 8–12 repetitions
- 2–4 working sets
- sufficiently long rest periods between sets
- controlled strength development without momentum
- stable upper-body position
- even loading of both shoulders
- only increase the training weight if proper technique can be maintained

Especially as resistance increases, the lateral raising movement must not be replaced by excessive shoulder shrugging, leaning backwards or jerky movements.

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MACHINE LATERAL RAISES FOR MUSCULAR ENDURANCE

For local muscular endurance, lighter training weights are combined with higher repetition ranges.

Example:

- approximately 15–20 repetitions
- 2–4 sets
- lighter training weight
- smooth and consistent movement
- controlled raising and lowering of the upper arms
- shorter rest periods than during strength-focused training

Even with higher repetition ranges, your upper-body position must remain stable.

If fatigue causes a significant loss of movement control or your shoulders no longer follow their natural movement path, end the set.

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IMPORTANT TECHNIQUE TIPS

- Adjust the seat height correctly before training.
- Position your upper arms correctly against the designated pads.
- Keep your feet securely and firmly planted.
- Maintain an upright upper-body position.
- Keep your spine in its natural alignment.
- Lightly engage your abdominal and back muscles.
- Keep your shoulders in a natural starting position.
- Use a closed grip if handles are provided.
- Wrap your thumbs completely around the handles.
- Keep your wrists as straight as possible.
- Position your elbows according to the machine design.
- Raise your upper arms sideways in a controlled manner.
- Allow your shoulder blades to move naturally.
- Avoid excessive compensatory movements with your upper body.
- Do not deliberately shrug your shoulders towards your ears.
- Only use a range of motion you can control without pain.
- Do not suddenly force the machine against its mechanical end stops.
- Lower the machine arms slowly and under control.
- Do not allow the weight stack to slam down uncontrollably.
- Load both shoulders as evenly as possible.
- Choose a training weight that allows you to maintain proper technique.

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COMMON MISTAKES

Using Too Much Weight:
An excessively heavy weight may cause you to raise the machine arms using momentum and lose control of the movement.

Incorrect Seat Height:
An unsuitable seat height may prevent your upper arms from resting correctly against the designated pads. Adjust the seat height to suit the machine design and your body size.

Incorrect Upper-Arm Pad Position:
If the pads do not suit your natural arm position, the movement may become uncomfortable. Make sure your upper arms are positioned securely and comfortably.

Excessive Shoulder Shrugging:
Excessively raising your shoulders towards your ears can change the movement pattern. Allow your shoulder blades to move naturally without deliberately shrugging your shoulders.

Using Upper-Body Momentum:
If your upper body moves noticeably backwards or sideways during every repetition, the exercise becomes increasingly assisted by momentum.

Excessive Range of Motion:
Forcing your arms beyond your individually controllable range of motion is unnecessary. Only perform the movement as far as it can be completed without pain.

Incorrect Grip:
On machines with handles, an open grip without the thumbs wrapped around the handles may reduce control. Use a secure, closed grip.

Unstable Wrists:
Excessively bent wrists may make it more difficult to control the handles safely. Keep your wrists as straight as possible.

Lowering the Weight Too Quickly:
The downward movement should remain controlled rather than simply allowing the machine's resistance to pull your arms down.

Allowing the Weight Stack to Slam Down:
If the weight stack lands uncontrollably during every repetition, control of the movement is lost.

Uneven Arm Movement:
If one side rises noticeably faster or higher than the other, the load may become asymmetrical. Aim to move both arms as evenly as possible.

Insufficient Trunk Stability:
If your abdominal and back muscles do not provide adequate stabilisation, you may lose your upper-body position during the set.

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SAFETY DURING MACHINE LATERAL RAISES

Start with a training weight that allows stable and controlled execution. Beginners should first learn how to adjust the machine and perform the lateral raising movement using light resistance.

Before starting, check that the seat, upper-arm pads and any available safety mechanisms are correctly adjusted.

Make sure your upper arms rest securely against the designated pads and that you can perform the movement without uncomfortable pressure on your shoulder joints.

Not every lateral raise machine follows the same movement path. Adjust the seat height, arm position and range of motion to suit the specific machine and your individual mobility.

If you have existing shoulder or neck problems, qualified instruction may be helpful. Following injuries or surgery, it may be advisable to discuss the training load with a medical professional or physiotherapist.

If pain occurs during the exercise, stop the set and have the cause assessed.

Avoid jerky movements and return the machine arms to the starting position under control after training.

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CONCLUSION

The Machine Lateral Raise is a targeted isolation exercise for the shoulder muscles. The lateral deltoid is particularly involved during the movement.

Thanks to the guided movement path and individually adjustable machine components, the machine lateral raise can be used for different training goals.

By adjusting the training weight, repetitions, sets and rest periods, the exercise can be adapted for muscle growth, controlled strength development or muscular endurance.

Regardless of your training goal, correct machine adjustment, a stable seated position and controlled lateral raising movement should always take priority over lifting the heaviest possible weight.