I took a VO2 max test while sprinting on a treadmill. It taught me how fast I should run to burn fat and build muscle.

Tech Insider : Business, Technology
The author is running on a treadmill
I wore a mask to track how hard my heart was working during strenuous exercise.

Corrie Aune for BI

A 100-year-old woman said her longevity routine includes lifting weights, eating ice cream, and going to the beach

Tech Insider : Business, Style
A split image shows an elderly woman at the gym working out next to a sepia-toned portrait of the same woman as a young teacher.
Mary Coroneos, a 100-year-old woman from Norwalk, Connecticut, regularly goes to the gym and socializes with friends from her long career as a teacher.

Courtesy of Mary Coroneos

What Creaky Knees Really Mean for Your Long-Term Health

Gizmodo
Knee

Coco Gauff swears by 'boring' agility workouts and fruit salad — a routine built for longevity

Tech Insider : Business, Sports
Coco Gauff on the court
For Coco Gauff, 21, every day of training is an investment in her future.

Mary Beth Koeth / Gallery Stock

I got 2 body composition analyses, 6 months apart. I lost fat and learned I need to work out smarter to build muscle.

Tech Insider : Business, Sports, Technology
A woman doing a body composition analysis; salmon and veggies
My second body composition analysis taught me I should eat more protein and change my strength training regimen.

Julia Pugachevsky

Successful men say they can't start their mornings without exercise. Their essentials include lots of Nike gear and ChatGPT.

Tech Insider : Business, Sports, Style
Treated photo of a man curling a dumbell
 

Getty Images; Tyler Le/BI

Trump Revives the Presidential Fitness Test to Torment a New Generation of Kids

Gizmodo
Kidsrunning

A busy doctor says he lost almost half his body fat in 3 months with small changes to his routine

Tech Insider : Business
A composite image of a man posing shirtless before and after weight loss.
A 35-year-old man cut his body fat almost in half with full-body workouts, progressive overload, and smaller portions.

Courtesy of Simon Doyle/Adam Enaz

6 red flags to look out for when hiring a personal trainer, according to fitness professionals

Tech Insider : Business, Style
A personal trainer helping a woman do reps with a weight.
Hiring a personal trainer is an investment, so it's important to choose the right one for you.

Blanscape/Shutterstock

An ex-YouTuber with 6.5M subscribers is now an entrepreneur and investor. Here's how he stays fit whilst running his businesses.

Tech Insider : Business, Style, Travel
Caspar Lee smiling and holding his phone to talk into it.
Caspar Lee is an ex-YouTuber and entrepreneur who uses AI to help him plan his exercise each week.

David Parry for Google Pixel

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