The “stomach vacuum” may sound like a plastic surgery trend, but it's actually an abdominal exercise. And it's a popular one. The hashtag #stomachvacuum has more than 100 million views on TikTok, but ...

Ab workouts are always in high demand—they’re the subject of more than 1.8 million Google searches every month. These mid-body muscles are responsible for the famous six-pack shape and form part of ...

Aerobic exercise, or cardio, elevates your heart rate with movements that activate your body's large-muscle groups. When done in the water, this type of workout offers many proven benefits, including ...

Summer is the perfect time to squeeze in a casual pool workout. While swimming laps is a go-to cardio activity all year long, it's far from the only way to utilize the pool for exercise. If you're ...

Compound exercises like squats and deadlifts do well to target your abs while working out. If you want to focus on additional core work, consider adding up to three ab workouts per week. Doing ab and ...

Whether you're aspiring for a six-pack or want to build overall strength, ab exercises will help get you there. The classic sit-ups and crunches are never a bad idea, but there are plenty of workout ...

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. Do you want a strong ...