Which of the following describes the importance of flexibility?
a. reduces chance of injury
b. decrease resting heart rate
c. increases the chance of lower back pain
d. increases post exercise pain

Definitely A

The person who utilize the progression principle will keep adding the difficulty of the exercise that he's doing, while the person who does not, will only stay stagnant.  the person that utilize progression principle, will get a stronger endurance because now his body is conditioned to do harsher routines.{the answer was already on verified)

Follow pad instructions, one above the right nipple the other just slightly below the left side of the chest