The most accurate statement is Inclusion and exclusion criteria are always needed in some form.
Inclusion criteria are the prospective subjects characteristics that should be taken into consideration in the study.
Exclusion criteria are set of predefined definitions commonly used to identify subjects who will not be included or those characteristics that disqualify prospective subjects for the study to be included
It depends, in Europe, you mainly can be 18, however, in America the limit is 21.
Answer:
I think it's all of them.
To be honest I think it is B. Static Stretch is used to stretch muscles when the body is at rest.
