Running on a treadmill or outside offers similar fitness benefits—learn which feels harder, when to choose each, and how to start training consistently.

Thuong Nguyen collapsed while walking on a treadmill at LifeTime Fitness in Eagen, Minn., but was saved by the person on the treadmill next to her — who happened to be a surgeon Jordan Greene is ...

A personal trainer was recording the last seconds of her workout on the treadmill when a woman called her out on the amount of noise she was making while sprinting. Judging by the replies to the clip, ...

Afghan women are flexing their muscles at the first female-only gym in their country's southern province of Kandahar. It's the latest effort by Maryam Durani, a fierce campaigner of women's rights, ...

High-intensity interval training, or HIIT, is a great way to torch calories, boost your metabolism and get a great workout in a shorter amount of time. And if you're a fan of hopping on the treadmill ...

A cat called Sushi has delighted viewers on the internet after a video of her enjoying a treadmill run with her owner went viral on social media last week. The hilarious clip, which is just one of a ...

A mother of four has died after falling and hitting her head on a treadmill, her sister Marissa Woods told "Good Morning America." Woods said she was on a treadmill next to her sister Delrie Rosario ...

Treadmill intervals at a medium effort combined with two sets of bodyweight squats (lower body) and planks (core). Stop the strength exercises when you feel you can’t perform any more reps with good ...

A new study shows people with good physical fitness in midlife had bigger brains 20 years later compared with their peers.