Introductory Material

Body weight is the numerical representation of the amount of lean tissue, including water, and fat tissue in your body. Numbers on the scale can be a guide to a healthy weight range, but focusing on a single number may not be helpful.

Calcium is essential to health, but like many nutrients too much as well as too little can adversely affect your health.

Anaerobic means in the absence of oxygen. The exercise that you do is anaerobic if your body's requirement for oxygen exceeds its supply.

Shoulder strength and endurance are important for many activities of daily living. Your shoulder and shoulder girdle muscles stabilize and move your shoulder as well as contributing to your posture. Learn how to keep your shoulders healthy and strong.

Aerobic means in the presence of oxygen. If you are doing aerobic exercise your working muscles will have an adequate supply of oxygen so that you can sustain your exercise over a relatively long period of time.