Crunches

The athlete crunches the weights during his workout.

He added crunches to his exercise routine to target his core muscles.

The trainer demonstrated how to do crunches properly to avoid injury.

The artist used a variety of materials to create different textures, including the crunches of crushed eggshells.

She found that doing crunches regularly helped improve her posture.

She felt soreness in her abs the day after doing a lot of crunches.

He felt a burn in his abs after doing several sets of crunches.