Aerobic capacity (endurance ability of your heart and lungs) may also be determined through various methods. Here we will use a few different techniques such as a non-exercise questionnaire to estimate aerobic capacity. There is also a useful walk test and a walk-run test. All of these methods aim to come as close as possible to the gold standard of aerobic capacity measurement which you may be aware of as a "stress test" often completed on a treadmill in a hospital or laboratory setting.
There are also several other fitness components that may be measured and evaluated. There are various short tests to determine muscular endurance and strength (absolute and relative), as well as balance, flexibility, and power tests.
As with body composition, these initial fitness measurements may serve as indicators of positive changes that you are making that are impacting your life already.