Sit-ups target your abdominal muscles, back muscles, and hip flexors, while crunches only target your abdominal muscles. • ...

Core strength testing has come a long way from the straight-legged, twisting sit-ups used before World War II. We've moved on to bent-knee sit-ups, to crunches and now to the plank pose or hanging ...

Core workouts can often feel like a slog, especially when the workout involves busting out endless sit-ups or crunches, which can quickly become repetitive and boring. However, this workout from Oner ...

Experts have revealed how many sit-ups you should ideally manage at your age — and the numbers may surprise you.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images While classic core exercises like sit-ups, planks and crunches are ...

The classic sit-up is a workout staple. Whether you've become all too familiar with the movement in your weekend HIIT class or eked out those last few reps while following a home workout video, you've ...

Core muscles wrap around the midsection like a girdle, forming a connecting link between the upper and lower body. They support, stabilize, and help move your spine, trunk, and pelvis, and most body ...

Chasing a flat stomach with endless sit-ups? Experts reveal that while sit-ups strengthen core muscles, they don't directly burn belly fat. Spot reduction is a myth; fat loss is systemic. A ...

Take everything you learned about the traditional sit-up and toss it out the window. Bob Harper, best known for his work on NBC’s “The Biggest Loser,” would like to introduce you to a new way of doing ...

People often fail or are overly taxed by the two-minute sit-up test that is required every six months in the military. Here is a question from an in-shape Navy petty officer who trains 5-6 days per ...