Your muscles. Some muscles are “voluntary.” They
are the ones you control, the ones that let you exercise—or
relax. Some muscles are “involuntary.” They just do their
job with no effort on your part—like your heart muscles.
A) use your max heart rate, which is determined by subtracting age from 220
hope this helps :)
<h2>Answer 1 with Explanation</h2>
The principles of fitness help a person to improve in a specific exercise to reach the desired flexibility. If a person wants to develop strength, the individual should focus on the principle of overload, with a greater workload than usual. This should be regularly maintained as per the principle therefore leading from overload fitness.
<h2>Answer 2 with Explanation</h2>
The principle of progression means that an individual must gradually increase the workload for improvement to continue which is also easier and adjustable. The flexibility gets improved by gradually increasing the amount of time and the number of repetitions to a point when you start feeling a change. As a result this will help in progression of the individual according to the his/her body.
<h2>Answer 3 with Explanation </h2>
The principle of specificity applies when you focus on the muscles at specific joints that you stretch. This must be habitual by the individual by the means of targeted area of the individual's body. You must work on all specified muscles that need stretching to improve overall flexibility. In spite of this, the individual also needs to sustain the food in take habits .
The answer is 15 people.
Explanation
You have 45 people and a rate of 33%. 33% is equalivant to 1/3 so you divide 45 by 3 and get 15 people.
