The situp has largely been supplanted by the crunch in recent years. Most people performed the situp to work the muscles of the abdomen — and the crunch more effectively isolates those muscles. So for bodybuilders, eight-time Mr. Olympia Arnold Schwarzenegger recommends crunches over situps in "

Pneumonia is an illness that affects millions of Americans each year, according to the National Institutes of Health. The condition is caused by a bacterial or viral infection and causes, among other symptoms, coughing with mucus, chills and breathing difficulties.

When exercising, your heart pumps blood throughout your body at a greater rate as your muscles demand extra oxygen. Some of that blood flows through the little capillaries inside the nose itself. It doesn't take much to damage these capillaries.

CrossFit is a strength and conditioning program used by military, police officers, athletes and recreational exercisers. The design of the workout program attracts a wide variety of followers, along with the performance, health and wellness benefits that occur as a result.

Abdominal bloating after a workout can be a painful and discouraging experience, but it is not necessarily cause for concern. It might be what you are eating and drinking that is causing the problem, and making simple adjustments can remedy the situation.

Pullups are a compound exercise that work every muscle in your upper body. They are a hard exercise to replace, but if you don't have access to a pullup bar or a lat pulldown machine, you can do a workout with dumbbells that trains all the muscles you use to do pullups.

When your muscles can't get enough oxygen during a short burst of exercise, they start to make use of a pathway called lactic acid fermentation, which generates a small three-carbon compound called lactic acid or lactate as a byproduct of glucose breakdown.

Although they make it look easy, cheerleaders have to be in great physical condition to safely do all the tumbling, dancing, jumping and cheering that their job requires. Whether you desire to become a cheerleader or just look like one, a two-week, gradually progressive workout plan can start you off on the right foot.

A cardiac ablation is a medical procedure that destroys areas of your heart that might be causing an arrhythmia, or an abnormal heart rate. The purpose of the procedure is to allow a normal heart rate to resume. You are usually able to resume normal levels of activity within a few days after the procedure.

Pigeon-toed feet is a common orthopedic condition in young children. It is also called in-toeing and occurs when the feet turn inward instead of naturally lining up straight.

Exercising the lat muscles gives your back a broader, more defined shape. There are two common types of exercises incorporating the lats: those in which you work the weight perpendicular to your body, like rows, and those in which you work the weight vertically in line with your body, like lat pulldowns.

Soreness after a visit to the chiropractor is quite common. Usually, you experience soreness within the first few hours following an adjustment, and it rarely lasts more than 24 hours. However, very serious side effects have been reported following cervical adjustments in the area at the base of the skull.