When performing muscular training exercise you should always

How can a driver best determine the safest speed to drive?

During the past few weeks or months, have you noticed any exercises that have become too easy for you? do you think you need to increase the intensity in any of the three exercise areas in your workouts? evaluate your exercise progress in the three exercise areas (cardiovascular, resistance, and flexibility) and list what modifications, if any, you may need to make in your exercise routine.

What is the principle whereby improvement occurs when increased demands are made upon the body