In this exercise you are sitting on the floor, feet on the floor, twisting from side to side without moving your torso, feet, or head. Question 2 options:

Crunches

Ab measure
pl hurry

Plank

Ab Twister

starvation is bad because your body needs nutrition and to deprive it of nutrition can cause problems with both health and fitness.

explanation:

it can make weight loss slow down over time, but it won't cause someone to gain weight depsite restricting calories. starvation causes weakness in the senses like thirst.