Articles by Paul V. Strong

Mountain biker on trail in front of cliff, elevated view

3 Ways to Strengthen Your Cardiovascular System

Published Aug,14 2017 | By Paul V. Strong

The cardiovascular system consists of your heart and blood vessels and is responsible for transporting oxygen and nutrients throughout your body. Physical activity strengthens your cardiovascular system — "

What Is Submaximal Graded Exercise?

Published Sep,06 2011 | By Paul V. Strong

Submaximal graded exercise is any physical activity whose intensity increases at regular intervals up to but never exceeding 85 percent of your maximum heart rate, according to the American Council on Exercise.