Crunches

She prefers doing crunches over sit-ups because they're easier on her back.

The dry dirt crunches under the weight of the horse's hooves.

She struggled to complete a set of crunches due to her weak abdominal muscles.

The geologist studied the different types of crunches in rocks to determine their age and formation.

He crunches the popcorn in his mouth at the movie theater.

He incorporated crunches into his daily exercise routine to achieve his fitness goals.

She did 20 crunches as part of her morning workout.