Gout is a condition characterized by the deposit of uric acid in the joints. People with gout may experience a sudden onset of arthritis-like symptoms, including swelling, redness and warmth in one or more joints.

Exercise-related muscle shakiness can happen to anyone, no matter your fitness level, age or gender. It can be caused by a variety of factors and poor choices.

Bones, tendons, ligaments and cartilage make up the skeletal system. The primary function of the skeletal system is providing support for the body to maintain posture and movement. The skeletal system protects the internal organs such as the brain and heart.

A bruised knee can make exercising uncomfortable, but it doesn't have to keep you sidelined. Athletes, dancers and everyday people exercise with a bruised knee. If your doctor has given you the OK to workout, you can still do your cardio and strength-training exercises.

Your muscular system consists of hundreds of muscles--from the very large gluteus maximus muscle, or your butt, to the very small muscles that control your fingers. Your muscular system is responsible for movements such as walking, lifting or running and holding your body in postural alignment.

There are several diseases that cause excessive bone growth.

Inversion boots, otherwise known as gravity boots, allow for complete, inverted suspension from a stabilized horizontal bar or inversion rack. The boots strap around the ankles and attach to the bar, allowing you to hang safely, upside-down and otherwise unsupported.

Many diseases can affect the cheek bones. According to the U.S. National Library of Medicine and the National Institutes of Health or NIH, face pain—which includes cheek pain—can be dull and throbbing or intense and stabbing, and it can be felt on one or both sides of the face.

Muscle fatigue may be caused by a variety of factors. Understanding a few such factors may help determine your overall physical condition, whether you're working out too hard or pushing yourself too far when you exercise. Muscle fatigue may also be a symptom of illness.

The muscular system is made up of hundreds of muscles of various sizes, shapes and functions. Some muscles, such as your gluteus maximus, or butt muscle, are very big and powerful; others, such as your flexor digitorum profundus, or finger muscles, are much smaller and more dexterous.

The most common, widespread degenerative bone condition is osteoporosis, which occurs when bones become weak due to low levels of minerals. It is called the “silent” disease because no symptoms exist in early stages. This disease affects women four times more often than men.

With every step you take, your knees not only bend and straighten but also bear the weight of your body. The knees usually accomplish these tasks without symptoms, but this is not always the case.