Carrie Underwood has been working with her trainer,Eve Overlandfor more than a decade.

Carrie is so strong and well-rounded," Overland tellsShapeat aBodyArmorevent.

One way Overland increases time under tension?

NEW YORK, NY - MAY 03: Carrie Underwood celebrates the new CALIA By Carrie Underwood Mother’s Day campaign at (R)evolve on May 3, 2018 in New York City. (Photo by Kevin Mazur/Getty Images for CALIA by Carrie Underwood)

Photo: Getty Images

She adds pulses to moves likelungesandsquatsor slowing down moves likerowsandpresses.

The duo will also occasionally mix in high-intensity interval workouts, sometimes on the treadmill, adds the trainer.

(Trythis 20-minute HIIT running workoutto build speed in four weeks.)

When it comes to maintaining full-body strength, Underwood relies on five go-to exercises, according to her trainer.

Below, Overland breaks down each exercise and how to replicate them at home.

Biceps Curls

Underwood will dobiceps curlswhenevershe can, says Overland.