Fitness

Power Output

R
Repz
··Updated ·1 min read
Ink illustration: Coach and athlete reviewing a training notebook
Mechanical power is the rate of doing work. In movement it can be expressed from force and velocity, but the result depends on what body or implement is measured and how.

Mechanical power is the rate of doing work. In movement it can be expressed from force and velocity, but the result depends on what body or implement is measured and how.

Definition and measurement

Instantaneous power can be represented as force multiplied by velocity; average and peak power are different metrics. Devices may report external implement power, centre-of-mass power or estimates from models, so numbers across exercises and systems are not automatically comparable. Power is related to strength and speed but is not identical to either.

Mechanical power in resistance training review · Muscle force and power determinants review

Training use

Mechanical power often peaks at an intermediate combination of force and velocity, but a universal “optimal load” does not apply across athletes, exercises and measurement methods. A recent review questions using power alone to control resistance load and stresses maximal strength, task specificity and periodisation. Power-oriented training may be useful, but no watt target or exercise guarantees a HYROX® station or finish-time gain.

Mechanical power in resistance training review · Muscle force and power determinants review

FAQ

Is power just strength?

No. Power also depends on movement velocity and the measurement definition.

Can I compare watts from any device?

Not safely without knowing what each device measures and how it calculates power.


Track your rowing and SkiErg power trends across training sessions at Repz.

Was this helpful?

Know Where You Stand

Repz builds your training plan around your goal time, your gym, and your schedule. A plan that adapts every week and targets your weak points.