How to Use Assisted Dip Machine? | Proper Form Basics

Set the assistance level first, then step in, grip the handles, lower to 90 degrees, and press back up smoothly.

The assisted dip machine looks intimidating, but the movement itself is simple once you understand the setup. The key to getting real chest and triceps work without shoulder pain comes down to three things: setting the right assistance weight, finding a stable starting position, and controlling the descent. Here’s the exact sequence that works on both knee-pad and footplate designs.

Setting Up The Machine Correctly

Before you touch the handles, adjust the assistance weight. These machines use a pin-selected stack where a heavier weight means the platform pushes you up harder, making the dip easier.

Check whether your machine has adjustable handles. The Life Fitness manual notes the lower handles can rotate inward or outward; the Intenza manual simply says to grip the handles and place your knees on the pad. If the pad height is adjustable, set it so your knees rest comfortably without your feet dangling awkwardly.

Step onto the footplates or platform, place your knees on the pad if your model uses one, and grip the handles firmly. Keep your back straight and head up as you settle into position. If your gym’s machine has fixed grips that won’t rotate, the exercise still works fine — just grip and go.

How To Perform The Dip With Good Form

Begin with your arms fully extended and your torso stable. Lower yourself slowly under control until your upper arms are roughly parallel to the floor, which puts your elbows at about 90 degrees. Going slightly below parallel is fine for most people, but stop if you feel your shoulders rolling forward or rounding at the bottom.

Keep your elbows close to your body rather than flaring them out wide. A slight forward lean shifts emphasis toward the chest, while staying more upright keeps the work on the triceps — choose whichever matches your goal, but keep the lean modest either way. Press back up smoothly to full arm extension without locking your elbows hard at the top, and avoid shrugging your shoulders toward your ears.

Momentum steals the work from your chest and triceps and can strain the shoulder joint. If you find yourself using speed to get out of the hole, increase the assistance weight and slow the tempo down.

Common Mistakes To Avoid

• Shrugging at the top: keep your shoulders down and away from your ears throughout the rep.
• Flaring elbows wide: this shifts stress onto the shoulder capsule; tuck them closer to your body.
• Collapsing the chest forward: maintain a proud, stable torso and avoid letting your shoulders cave inward.
• Rushing the descent: control the lowering phase for about two seconds rather than dropping fast.
• Locking out hard: finish with a soft lock at the top to protect the elbow joint.

Core tension matters more than people expect. A loose midsection lets your lower back arch as you press, which can cause strain over multiple sets. Brace your abs as if preparing for a light punch, keep your wrists as straight as possible, and stop the set if your shoulder position degrades.

Stepping Off And Finishing Your Set

When your set is complete, remove your knees from the pad and step back onto the footplate rather than dropping straight down. The Life Fitness manual specifically calls this out — it protects both the machine and your knees. Then simply let the platform rise naturally as you step off completely.

If the machine uses a footplate instead of a knee pad, the same rules apply for exiting: step off the platform after your final rep and let the assistance stack settle.

Because setups vary by manufacturer, the machine’s own manual remains the final word on pad height, handle position, and any model-specific adjustments. The Intenza and Life Fitness manuals both describe the same basic sequence — assistance selection first, then positioning, then the controlled dip — so this method transfers across most commercial gym machines. When you’re ready to add one to a home gym, our roundup of top assisted dip machines compares the models worth considering.