Do Sit Ups Even Work?

Situps are a multi-muscle exercise. While they don't specifically target stomach fat (Note: neither do crunches!), situps actually work the abdominals as well as other muscles groups, including: chest. hip flexors.

Will 100 sit-ups a day do anything?

Do sit-ups lead to six-packs? A sit-up is actually the least effective abs exercise you can do. Doing 100 sit-ups a day will not change your body in the slightest.

Do sit-ups actually do anything?

Situps work the rectus abdominis, transverse abdominis, and obliques in addition to your hip flexors, chest, and neck. They promote good posture by working your lower back and gluteal muscles. With a larger range of motion, situps target more muscles than crunches and static core exercises.