People exercise for a variety of reasons -- from weight management to improved levels of strength for sports. If you want to improve any aspect of your physical performance, you need to adhere to the exercise principles. These principles can be thought of as signposts to success.

After most people exercise, they tend to feel energetic and good about their workout. However, you may feel extremely tired and have even less energy than before your workout. Weakness after exercise can be attributed to several things that you can control before going into the exercise room.

Hitting the rock wall or performing a series of strength-training lifts won't be as easy or enjoyable if you're nursing annoying workout wounds, blisters. Instead of sitting on the sidelines, practice preventative measures to avoid blisters and immediate self-care if you do develop them.

Army soldiers are widely acclaimed for their heroism and strength -- these powerful men and women are capable of displaying impressive force and endurance. The U.S.

Muscle soreness is common after working out. Fatigue and soreness occur when you work out harder than you normally do or longer than you are accustomed to. These feelings indicate that you are using your muscles to gain strength and endurance.

Cardiovascular endurance is described as the ability to perform large-muscle dynamic, moderate-to-high intensity exercise for prolonged periods. This can be tested in a variety of ways. There are many types of standardized tests developed by professionals to test cardiovascular endurance.

One of the most popular bodybuilding workout schedules is a five-day split, in which you train one of five parts of your body on a each day of the week. This allows you to hit each muscle group with a large amount of training volume and intensity, and gives it a full week of recovery before you train it again.

Piriformis syndrome can happen when your sciatic nerve is compressed by the piriformis muscle. Piriformis is located in your buttocks, deep under your gluteus maximus muscle.

Taking a week off from doing any sort of intense activity or workout can actually help you do better in the long run. A full week off is basically a vacation for your body. Just as a week off from your job can help your mind recover and rest, so too can a week without the gym help your muscles.

Isokinetic exercise is far more specific than most other types of exercise. It allows specific control of resistance and, therefore, has much less potential for causing an injury. Isokinetic exercise is most commonly used in physical therapy, but it is gradually being used more by the general public.

One of the advantages to labor induction is that you can plan ahead and prepare yourself mentally and physically for your induction.

Rowing is a full-body exercise that requires you to expend a large number of calories to perform the desired motion. This makes rowing a highly effective form of exercise for helping tone and shape your body.