Isokinetic Mode keeps your movement at a preset speed by automatically adjusting resistance throughout the rep. Push or pull harder and resistance increases. Ease off and resistance drops. Either way, the speed stays consistent.

Before you start, update VOLTRA I to the latest firmware so the menus and options match what's described here.

Rehab and controlled strength training where consistent speed matters

Clean reps without momentum or "cheating" (no swinging it through)

Repeatable progress tracking at the same speed over time

Main screen

Speed setting (your target movement speed)

Base weight (minimum tension so the cable stays engaged)

Menus

Metrics menu: performance data for tracking output across reps and sessions

Select Isokinetic Mode.

Set a slow speed to start so you can learn the feel.

Set a base weight so the cable stays under control and doesn't go slack.

Do a light test set and focus on smooth movement through the full range.

Once it feels consistent, adjust speed based on your goal:

Slower speeds for control, rehab-style work, and strict tempo

Faster speeds for more athletic intent and higher output

The speed setting is a ceiling. You can't exceed it, even if you try. Instead, VOLTRA I changes resistance to match your effort while keeping that speed constant.

A simple way to think about it:

If you push harder, it gives you more resistance so the speed doesn't increase.

If you push less, it gives you less resistance so the speed doesn't drop off a cliff.

That's why it's useful for controlled work. You get consistent movement and consistent feedback.

Example 1: Controlled rows (upper body control)

Set a slower speed and a light base weight.

Focus on a smooth pull and smooth return.

If you're tempted to yank, Isokinetic Mode removes that option. It rewards control.

Example 2: Rehab-style presses or extensions (repeatable output)

Choose a conservative speed and keep the range strict.

Aim for the same quality rep every time.

If you fatigue, resistance drops rather than forcing a sudden fail.

Pick one movement, keep the setup the same, and track one variable:

Same speed, same setup: can you complete more reps with good form?

Same speed, same reps: does it feel easier at the same setting?

Same speed: do your on-screen metrics trend up over time?

That's the value here. Consistency makes improvements obvious.

Start slower than you think. The goal is control first, intensity second.

Use a base weight that keeps the cable feeling "connected," not floppy.

If reps get jerky, reduce speed or base weight and rebuild smoothness.

Don't change mode or settings under load. Bring the resistance down and return the cable to the start position first.

Start light and do a test set when you change speed or base weight.

Stay in control of the handle. Don't let the cable snap back.

Keep your setup solid and your line of pull clean.