Which exercise machine burns the most calories? The one you enjoy and will use the most. Here are our all-time favorite cardio machines we have tested at Live Science. When you purchase through links ...

Anaerobic exercise uses glucose for energy, instead of oxygen. Aerobic (cardio) and anaerobic exercises both improve health, but only anaerobic exercises build muscle mass and strength. Anaerobic ...

Beloved by gym bros and reality show contestants alike, upper body strength exercises have multiple benefits for gym performance and daily life. And contrary to popular belief, you don't need to spend ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. Jennifer Steinhoff, MD, is a ...

Trainers often joke about the difference between “show” muscles and “go” muscles—in other words, muscles that look pretty versus muscles that can actually pull their weight when it counts. Whenever ...

“Nearly 1.8 billion adults are at risk of disease from not doing enough physical activity,” a 2024 World Health Organisation statement reads. At the time of writing, this figure was on the rise. The ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...