What are benefits of crunches?

If you want to do crunches as part of your workout routine, stick to a moderate number as you would with any other exercise — three sets of 10 to 12 reps is generally sufficient. Vary your crunches by doing bicycle crunches, reverse crunches and oblique crunches to hit multiple muscles.

Abdominal crunches are designed to tone the core muscles of the body. The exercise aids in strengthening the core muscles, improving the posture, and increasing the mobility and flexibility of the muscles .

Abdominal crunches are designed to tone the core muscles of the body. The exercise aids in strengthening the core muscles, improving the posture, and increasing the mobility and flexibility of the muscles .

If you want to do crunches as part of your workout routine, stick to a moderate number as you would with any other exercise — three sets of 10 to 12 reps is generally sufficient. Vary your crunches by doing bicycle crunches, reverse crunches and oblique crunches to hit multiple muscles.