Stretching that requires you to hold the position for 20-30 seconds is called 1) pnf stretching 2) static stretching 3)ballistic stretching 4) dynamic stretching

2) static stretching. hope this helped :)

absolute strength refers to the maximum force exerted by a body irrespective of body size. relative strength on the other hand is the force exerted by a body in relation to muscle size or body weight.

so the answer is: c. absolute strength measures strength regardless of your body size, while relative strength measures strength adjusted for your weight.