There’s a reason why run coaches and personal trainers emphasize strength training in addition to running: Practicing both forms of exercise will allow you to build stronger muscles and increase your ...

A new study suggests that HIIT workouts may help preserve lean mass in older adults compared to moderate exercise—but changes were small. Here's what to know.

Whether you should do cardio or weights first depends on your fitness goals. Do you want to burn fat? Build muscle? Here’s ...

In 1996, Dr. Izumi Tabata published a groundbreaking study on high-intensity interval training, or HIIT, and its effects on aerobic (VO₂ max) and anaerobic capacity in young, physically active men ...

Understanding progressive overload is a must to up your muscle mass, trainers agree.

WHEN YOU THINK of strength, you probably think of muscle and the gym. That’s measured by how much weight someone can lift, ...

Discover how Caroline Idiens swapped high-intensity exhaustion for the power of resistance, proving it is never too late to transform your health and confidence.

VO2 max is often referred to as a key marker of fitness. It’s the measure of the maximal amount of oxygen your cells can take ...

A single session of high-intensity exercise can disturb the body's main stress hormone, leading to less activity after the workout, a lower body temperature, and weight gain, a new study of mice finds ...

At Lululemon’s Studio Yet, trainer Korey Rowe reframes high performance through discipline, mobility, and long-term ...

If you need to unwind from a stressful day, or if you struggle with depression and anxiety, the “go hard or go home” approach may worsen symptoms. Instead, take an easy walk with neighbors, or take a ...