Anaerobic exercise creates a temporary oxygen debt by consuming more oxygen than the body can supply. An example of anaerobic exercise includes weight lifting. Bar The metal rod that forms the handle of a barbell or dumbbell. A basic piece of equipment used in strength training. A barbell consists of a bar, sleeve, collars and weights or plates.
Barbells can be of a fixed weight or a variable weight.
BMR Basal metabolic rate. The number of calories consumed by the body while at rest. It is measured by the rate at which heat is given off, and is expressed in calories per hour per square meter of skin surface. Burn The sensation in a muscle when it has been worked intensely. It is caused by fatigue by-products and microscopic muscle tears.