Whoop has launched its new Strength Trainer feature, allowing members to measure strength training exercises and assess the impact of muscular load.

The feature will track exercises, reps, and weight usage in order to quantify muscular load – using the accelerometer and gyroscope sensors to calculate the strain that is put on the musculoskeletal system.

With the launch, Whoop says its 4.0 wearable becomes the first device able to measure how strength training impacts the body.

"Other wearables only track the load on the cardiovascular system during exercises that elevate heart rate," the company said.

"However, weightlifting predominantly stresses muscles, bones, joints, and tissues, not the heart.

"Weightlifting systems may track what you lifted based on a one-rep max model, but fail to identify the cumulative stress put on the body.

"Strength Trainer provides a first-of-its-kind approach to quantifying the cumulative impact of a strength workout’s impact on the musculoskeletal system.

"Muscular load quantifies the response of muscles, bones, joints and tissues based on the volume and intensity of training, using unique movement profiles for every exercise to account for the different percentage of the musculoskeletal system used."

Using the new feature, Whoop members can create custom routines from a library of more than 200 exercises.

Will Ahmed, founder and CEO of Whoop, said: "Strength Trainer represents a new frontier for Whoop.

"We're proud to be first to market and release a feature that helps coach our members while strength training.”

Muscular load is now also factored into the Whoope Strain score.

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