Fitness - Ball twisting

The video tutorial demonstrates a balancing exercise using a basketball. The instructor explains how to lift the legs off the ground, cross them, and perform a twist by moving the ball from one side of the body to the other while maintaining balance. The exercise is repeated 20 times, focusing on core strength and balance.

What is the main activity described in the text?

What position are the legs supposed to be in during the exercise?

Describe the movement involved in the exercise.

How many times do you need to touch the ball from one side to the other?

What is the name given to the exercise in the text?