I'm a busy dad who didn't have time to exercise. I managed to 'get jacked' with just 20 minutes of bodyweight exercise a day.

Tech Insider : Business
Skye Mackintosh before and after
Skye Mackintosh is committed to working out for 20 minutes every day.

Courtesy of Skye Mackintosh

Your muscle-building blueprint: 3 ways to boost your gains from an exercise science pro

Tech Insider : Business
Bodybuilder and researcher Dr Jim Stoppani flexes in the gym
Techniques like supersets and periodization can help you build more muscle in the gym, according to exercise science pro Jim Stoppani.

Courtesy of Jim Stoppani

Kevin Hart works out like a pro athlete. His trainer says heavy lifting isn't the key to staying shredded.

Tech Insider : Business
Actor and comedian Kevin Hart poses on the red carpet at a Golden Globes event in a suit.
Kevin Hart has been committed to a disciplined workout plan for years.

Gilbert Flores/Penske Media via Getty Images

4 tips to build muscle at the gym from one of the world's most decorated Olympians

Tech Insider : Business
Olympic swimmer Katie Ledecky in a cap, goggles, and swinsuit holds an American flag after setting a new record in the Women's 800 Freestyle Final in 2025
Katie Ledecky of Team United States reacts after winning gold and setting a new championship record time of 8:05:62 in the Women's 800m Freestyle Final on day 23 of the Singapore 2025 World Aquatics Championships at World Aquatics Championships Arena on August 02, 2025 in Singapore.

America wants to party — just softer

Tech Insider : Business
A hand holding a small disco ball in palm

Getty Images; Tyler Le/BI

Retired Navy SEAL Jocko Willink shares 5 exercises you can do anywhere to build muscle, burn fat, and live longer

Tech Insider : Business
Jocko Willink in black dress pants and a collared shirt.
Entrepreneur Jocko Willink starts his day at 4:30 a.m., a habit he picked up in the Navy SEALs.

Courtesy of Jocko Willink

To build muscle, you need a 'de-load' week. Here's how a powerlifting doctor strategizes rest for maximum gains.

Tech Insider : Business
Dr. Shernan Holtan jumping rope at a CrossFit gym
Dr. Shernan Holtan does powerlifting and CrossFit to stay healthy. She said taking a break from exercise with regular "deload weeks" helps to build muscle and strength while preventing injury.

Courtesy of Roswell Park Comprehensive Cancer Center

An athlete turned CEO says rucking — the fat-burning workout du jour — helps him stay in shape without sacrificing calls and meetings

Tech Insider
A headshot of CEO and former NFL player Jeff Byers shows him smiling at the camera, wearing a baseball cap and grey T-shirt.
CEO Jeff Byers is a former NFL athlete and said he fits exercise into his busy schedule by rucking during meetings and calls.

Courtesy of Momentous

3 exercises you should be doing to build muscle, according to the World's Strongest Man

Tech Insider
Strongman Brian Shaw lifts a log labeled The Austrian Oak weighing more than 400 pounds overhead at a 2017 competition.
Professional strongman Brian Shaw said to prioritize exercises like squats, weighted carries, and sandbag lifts for building strength and muscle.

Icon Sportswire/Getty Images

Kettlebells can help you gain muscle and cardio fitness at the same time. Here's what to know, according to a world-record athlete.

Tech Insider
Canadian athlete Jennifer Hintenberger performing heavy kettlebell exercise at competition.
Kettlebell exercise can help you build strength and muscle, while also improving your cardio and developing core stability at the same time.

Courtesy of Jennifer Hintenberger

Subscribe to workouts