What is the name of the item that allows it´s user to end a person´s life after they write their name in it? Correct answer will get 5 stars, thanks, and brainlest.

People who utilizes the progression principle will ensure their exercise program increases in frequency, intensity, time, and type. the changes need to happen gradually in order to ensure they make gains in their fitness program. a person who doesn't utilize the progression principle can still gain health benefits from exercising, but will not continue to improve in cardiovascular fitness.

Answer the lack of variation in activity can lead to boredom and eventually cause exercise to stop;