*Extend opposite arm and leg out, hold for a few seconds, then switch sides, continue for 5/side 3. Bird Dog- Elbow to Knee (10/side) 4. Seated leg extensions (10/side) *Alternating leg extensions 5.

The 15-15-15 workout helped this A-list stay active after injury, and it can help boost your cardiovascular fitness in just ...

A personal trainer shares a five-move, low-impact exercise routine that you can do in the comfort of your own home.

After 15 years as a certified personal trainer (and even more as a good, old-fashioned gym rat), I’d never consider myself a “beginner” when it comes to exercise. But after nine months of pregnancy ...

New to snowboarding? I tested gear and consulted experts so you can start snowboarding with confidence on day one.

This video presents a five minute high intensity workout designed for football players. It combines strength exercises, ball control drills, and agility movements in a short, structured session. The ...

This video features a 20-minute morning yoga workout aimed at increasing energy and vitality. The guided sequence offers a gentle flow to help wake up the body and mind, making it ideal for starting ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. January 21, 2026 Add ...

Developed for the Royal Canadian Air Force, the 5BX plan proves that short, daily training can still deliver results ...