Because the best HIIT workouts aren’t meant to last longer than 30 minutes or so, they’re mega efficient for honing your muscles. No gym? No sweat. (Actually, there will be lots of sweat.) ...

High-intensity interval training (HIIT) is a powerful tool for burning fat and building muscle, and it can be especially ...

Here are the top 5 fitness trackers of 2025 for gym lovers, highlighting key features such as rep counting, GPS, and battery ...

Want to bomb long balls off the tee? Add some major power to your golf swing with this workout to hit a 400-yard drive. These 20-minute HIIT workouts are the most efficient ways to train when you ...

The results were the Vital Sculpt HIIT workout, which you can take at some of Jazzercise's in-person locations across the country, or On Demand. (You can try out free livestreams of the Vital ...

Gemma Underwood's "intense" workout led to a case of rhabdomyolysis, a life-threatening muscle condition Cara Lynn Shultz is a writer-reporter at PEOPLE. Her work has previously appeared in ...

高强度间歇训练（HIIT）与中等强度持续训练（MICT）对骨骼肌适应性反应的信号网络差异不明。研究人员通过随机交叉试验，分析 10 名健康男性的骨骼肌活检样本。结果发现 HIIT 和 MICT 激活不同信号网络，且与血浆乳酸相关。该研究揭示了 HIIT 的分子机制。

Whether you're into cross-training, heavy lifting, mixing in strength with your runs, or love to HIIT your local gym classes, the right kicks can seriously level up your game.

As an MH MVP, you have access to our training programs—and the new Dad Bod Arm Shred plan is designed to be one of the best for real results for real guys. The program was created by strength ...

See reviews below to learn more or submit your own review. LA Fitness operates a nationwide network of full-service fitness clubs. Its facilities provide cardio and strength training equipment ...