Like situps, crunches help you build muscle. But unlike situps, they work only the abdominal muscles. This intense muscle isolation makes them a popular ...

Продолжительность: 2:56
Опубликовано: 15 сент. 2017 г.

13 мар. 2024 г. · “The main difference between the two is that unlike a sit-up, in a crunch, the lower back never leaves the floor,” explains Katharine Glazer, ...

The main difference between crunches and sit-ups is the range of motion. With sit-ups, you lift your torso up to bent knees with your feet flat on the floor.

20 окт. 2024 г. · However, the crunch is better at isolating the rectus abdominis, while the sit-up involves a few more muscles.

12 янв. 2023 г. · While sit-ups may work more muscle groups than crunches, crunches offer a more targeted, isolated abs exercise. "Crunches specifically target ...

8 февр. 2023 г. · Sit Up vs Crunch, know the difference. A crunch is an isolation exercise that targets your abdominals. It has a short range of motion with ...

26 янв. 2019 г. · While crunches exclusively workout your abdominal muscles, a sit up is a slightly more intense exercise that strengthens your hip flexors, abdominal muscles, ...

26 янв. 2023 г. · Crunches may be safer than sit-ups for the spine. That's because crunches put less force and compression on the spinal discs. Crunches also ...