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How to use the Matrix Ultra leg press

The seated Matrix Ultra leg press is a pin-loaded station, not a sled that you unload by removing plates. Its seat position determines the starting bend of your legs, so changing the stack is only one part of preparing a set. Begin by checking for the G7-S70 identifier and learning the seat control from the placard or a staff demonstration.

This guide covers Ultra G7-S70 and the Matrix Ultra leg-press setup demonstration. Magnum, plate-loaded and other Matrix models are outside its scope. Compare the machine label with the linked manufacturer instructions before using the adjustment sequence.

Set the seat before judging the resistance

Matrix’s Ultra demonstration shows selecting the stack and adjusting the seat so the starting knees are bent around a right angle. Treat this as a model-specific setup reference, not a requirement to force an uncomfortable position. Keep your back supported and choose a depth that your body can control.

Locate the seat release before the set, let it engage fully after adjustment, and check the position with an easy practice repetition. If your machine has additional back-support controls, get the instructions for that exact version rather than assuming a video of another Ultra unit covers every lever.

Practise pressing and returning at the same pace

Plant both feet securely, hold the intended handles and press without bouncing. Return smoothly while keeping the pelvis supported. Do not chase extra travel by rolling the hips away from the pad, and avoid forcing the knees into a hard locked position at the top.

If the selected resistance makes the first repetition difficult to start, lower it before beginning the working set. A practice set should let you concentrate on the seat, feet and breathing. The printed maximum stack or another member’s selection is not a useful target for your first visit.

Use the display as a reference for this station

Record “Matrix Ultra G7-S70,” the selected stack value and unit, the seat number and any clearly labelled additional-weight setting you use. If a console is installed, check your own completed repetitions rather than relying on a counter to judge technique or range for you.

Compare this record with your next visit to the same station. If you train at another gym, identify its model and establish a fresh comfortable baseline. A different lever or plate-loaded design can make the same written number a very different experience, even when the Matrix name appears on both frames.

Common mistakes to avoid

  • Using a Magnum or angled sled setup on the Ultra seated machine.
  • Changing the load before checking whether the seat has locked.
  • Recording a stack value without its unit or seat setting.

References and exercise instructions

Independent guidance from MyLifts. Equipment brands belong to their owners; no affiliation or endorsement is implied. Follow the instructions on your exact equipment and ask gym staff to demonstrate unfamiliar adjustments.

Questions before you start

Does every Matrix leg press use the same controls?

No. This page covers the seated Ultra G7-S70; use the label and instructions for other models.

Must my knees start at exactly 90 degrees?

Use the manufacturer demonstration as a setup reference and ask staff to help find a comfortable supported position. Do not force a range that causes pain or loss of support.

Put it into a workout

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