01
Base load
Traditional plates establish the conventional external resistance.
Technology
Make variable resistance measurable.
PowerCurve integrates progressive elastic resistance into a strength-training platform and measures and displays the precise band load being applied.
Conventional accommodating resistance
Bands and chains.
A familiar training method.
Accommodating resistance changes the external load through a lift. In conventional setups, bands or chains attach directly to the barbell to add resistance as it rises.
Tension increases with stretch.
Bands anchored below the bar stretch as it rises. Band selection, starting length, and anchor position shape the added resistance.
More chain lifts off the floor.
As the bar rises, it supports more of the chain's weight. Chain length and the amount resting on the floor determine how the load changes.
The setup becomes part of the prescription.
Coaches can measure and reproduce conventional setups, but must account for the attachment points, band stretch, or hanging chain length. Plate weight alone does not describe the total resistance throughout the lift.
Learn more about the methods: NSCA: elastic resistance · NASM: chain resistance.
The PowerCurve approach
Build the adjustment
into the rack.
PowerCurve integrates the elastic-resistance path and band-load displays into the equipment. The plate load and band contribution can be adjusted independently.
The training concept is familiar. The difference is the system integration:
- band placement independent of bar
- stack bands to increase load
- easily adjust band or plate load in between sets
- precise band load measurement
All as an integral part of the equipment rather than an improvised add-on.
Band-load pathLoad model
Fixed base load.
Growing elastic load.
The plate load establishes the base. As the bands stretch, their contribution increases. The result is a combined load that rises through the movement.
The visualization is conceptual—not a calibration chart or a claim that one resistance profile is optimal for every exercise.
Illustrative combined loadBand contribution grows →
Start
Middle
Finish
Plate loadBand contribution
Design principle
Keep the movement familiar. Make the variable resistance measurable, repeatable, and controllable.
System logic
Three layers. One training system.
02
Elastic load
Bands add a resistance component that increases as the movement progresses.
03
Measurement
Integrated displays make the elastic contribution visible in real time.
MeasurableRepeatableControllable
Compare the setup
Make the band load a visible variable.
The training method stays familiar. PowerCurve changes how the variable-resistance component is applied, adjusted, and measured.
Training variableLoose band setupPowerCurve
Band placementDepends on rack and anchor setupIntegrated band path
Band combinationsAdded manually around the setupDesigned for stackable band loading
Load adjustmentReconfigure bands or anchor pointsAdjust plate and band load independently
Band loadTypically estimated from setupMeasured and displayed
RepeatabilityDepends on reproducing the same setupConsistent band path supports repeatable setup
Illustrative resistance profileNot a calibration chart
Plate loadPlate + band load
Programming flexibility
Change the profile, not the exercise.
A coach can alter the relationship between fixed and elastic resistance while keeping the underlying movement familiar.
Independent adjustment
Plate and band contributions can be manipulated separately.
Band-load displays
Band measurement enables deliberate and repeatable band loading.
See the system
Technology is easier to understand when you can feel it.
Training guide
How do you train with accommodating resistance?
Compare bands, chains, and PowerCurve, learn what to record, and find answers to common setup questions.
Read the training guide