Dec 19, 2024 · HIIT, or high-intensity interval training, can be an efficient, fun way to tackle your cardio workouts, add muscle, and shred serious fat.

Aug 13, 2025 · What does HIIT actually mean? We break down what high intensity interval training does for your workouts—and how to plan to use them to improve cardio health.

Feb 10, 2021 · Beginner HIIT workouts are ideal for everyone. Here are the best to try, plus expert advice from top PTs

Jan 27, 2023 · HIIT (high intensity interval training) workouts are extremely popular, but they shouldn't be performed every day. Here's how often you should do HIIT.

Sep 25, 2025 · RESEARCH SUGGESTS THAT strength exercises and high-intensity interval training (HIIT) can increase testosterone levels. Endurance-based exercises, like cardio, can potentially …

Feb 20, 2025 · That's why we tapped Gerren Liles, NASM, to lead the Ultimate HIIT program. He's purpose-driven to lead you to the best sweat of your life with these hard-hitting, 15-minute workouts.

Feb 8, 2020 · This 15-minute HIIT workout from trainer Gerren Liles, available on the All Out Studio app, uses dumbbells to target your upper body.

May 2, 2023 · These HIIT workouts use a jump rope and body weight moves that will push your cardio to the next level. Skip as many times as possible using proper form in the allotted time.

Oct 24, 2022 · Apunta los mejores entrenamientos HIIT para decir adiós al cardio, ganar músculo y quemar más grasa. Prepárate para ponerte en forma de verdad.

Mar 21, 2025 · Trainer and YouTuber Adam Sinicki breaks down the science behind using high-rep bodyweight training to build muscle.