High-intensity workouts are designed to be hard. The whole point of repeatedly going all out for 30 seconds or a minute at a time is to get the maximum cardiovascular exercise in the least amount of time. But that doesn’t mean these workouts need to be punishing for your joints. The most well-known of these…
When was the last time you sprinted? I mean a full-blown, all-out, redline sprint. For many of us, it’s been a while. Possibly even as far back as high school. In nearly every town in the United States, you can find a 5K, 10K, half marathon or full marathon to run. But it’s far less…
Regardless of what Us Weekly says, celebrities are not just like us. One had only to see the workout video Lenny Kravitz posted on Tuesday to know that. First, there was Mr. Kravitz’s outfit: a plum-colored muscle tank, complete with leather pants, black boots and his signature sunglasses. Then there was the exercise itself, which…
The first time Samantha O’Brien took a boxing class at her building’s gym, she was overwhelmed with anxiety. The instructor was loud and intimidating and ran the class like a boot camp. If someone fell behind, everyone had to work harder. Ms. O’Brien, 36, left the class thinking she’d never return. A few days later,…
Two years ago, Amy Gruenhut developed a near-fatal brain infection that put her into a coma for nearly two weeks. Since then, she has gone from learning how to eat, speak and walk again to running four marathons. Ms. Gruenhut had been a casual runner before the coma, but after she left the hospital, returning…
As a sprint relay track cyclist on the U.S. Olympic Team, Joshua Hartman spends much of his training time lifting weights to build power and speed. In 2023, while trying to deadlift a load near the limit of his ability, he noticed that his form was off, and the weight wasn’t moving as quickly as…
Lately, my workouts have looked a bit odd: I’ve been slithering like a lizard, crawling like a bear and scuttling like a crab. It’s called quadrupedal movement training (or animal movement), and it’s taken over TikTok (the related hashtag, #primalmovement, has 2.4 billion views). At first glance, the workouts seem a little goofy — more…
