• Sit-ups target your abdominal muscles, back muscles, and hip flexors, while crunches only target your abdominal muscles. • Neither sit-ups nor crunches alone burn abdominal fat. Overall activity and ...

When it comes to choosing the right exercise for abdominal training, sit-ups and planks are particularly popular. While sit-ups are often seen as a classic exercise for strengthening the abdominal ...

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 ...