Crunches: A Simple and Effective Abdominal Workout

The video tutorial introduces crunches as a basic workout that can be done anywhere with minimal time and space. It provides a step-by-step guide to performing basic crunches, emphasizing proper form to avoid injury. The tutorial also explores variations like reverse crunches, twist crunches, and side crunches, which target different abdominal muscles and add variety to the workout routine.

What are the basic steps to perform a crunch?

What is the recommended starting point for repetitions when beginning crunches?

What is a common variation of the basic crunch mentioned in the text?

How can you modify crunches using a balance ball?

Describe the twist crunch variation.