It used to be thought that lactic acid was simply a waste product of anaerobic metabolism. However, lactic acid can be used -- and useful -- even during aerobic respiration.

Interval training, Fartlek runs, circuit training and game-specific drills help improve cardiovascular fitness for netball.

When you begin an aerobic exercise routine, your body will adapt to the workload. It will affect your heart, lungs, muscles and more.

Aerobic exercise is one of the cornerstones of a healthy lifestyle, but in certain situations it may be disadvantageous.

Sub-maximal aerobic fitness tests include the Rockport Walk Test, the 1-mile jog and and the YMCA cycling test.

Aerobic exercise is activity that can be sustained; anaerobic exercise is intense activity that cannot be sustained.

A person weighing 155 pounds will burn about 300 calories in an hour of water aerobics. If you work harder, you'll burn more.

From contemporary to classic, these step aerobics DVDs cater to all skills levels and have the enthusiastic backing of various fitness pros.

From counting steps and calories to measuring caffeine intake and sleep quality, fitness trackers — sometimes called activity trackers or monitors — are becoming more and more popular.

Aerobic activity, such as running, improves the health of not only your heart and lungs, but also of your muscles.

The best workouts to increase your aerobic fitness are interval workouts and long, continuous aerobic workouts.

How much weight you can lose with aerobics really depends on your dedication to the activity, your size and your dietary habits.