General Fitness: How to Lose Weight and Get Fit Faster

How long does it really take to get fit or lose 50 pounds through walking? Understanding concentric exercises, kettlebell swing mechanics, and proper post-workout hydration is key to building a sustainable fitness lifestyle.

High angle view of a group of people exercising in a step aerobics class

Lung Volume During Exercise

Published Sep,12 2011 | By Sriram Ramgopal

Lung volume increases by as much as 15 percent during exercise. To meet the metabolic demands of your body during exertion, your breathing becomes deeper and more rapid, delivering more oxygen to your bloodstream to meet the increased needs of your heart and muscle cells.