Category: W
-
Weak Interactions
The forces between atoms that are less strong than the forces involved in a covalent (chemical) bond (between two atoms). Weak interactions include ionic (chemical) bonds, hydrogen bonds, and van der Waals forces.
-
Water soluble fiber
Food fiber (e.g., oat fiber) that dissolves in water. It apparently absorbs low-density lipoproteins (LDLP) in the intestine, before the fiber passes from the body, plus inhibits absorption of LDLP by intestinal walls due to increasing the viscosity of the intestine’s contents. Those two effects thus lower the amount of “bad” cholesterol (i.e., LDLP can…
-
Weight cycle
Losing and gaining weight over and over again. Commonly called yo-yo dieting.
-
Weight-bearing activities
These activities involve lifting or pushing a person’s own body weight.
-
Weight control
Achieving and maintaining a healthy weight by eating well and getting regular physical activity. The process of controlling one’s weight through proper nutrition and exercise.
-
Warmup
Three to five minutes of low-level activity followed by a few minutes of stretching to prepare for exercise.
-
Weight cycling
Repeated bouts of weight loss and regain. Rapid increases and decreases in body weight. Weight cycling (yo-yo syndrome) is the repetitive cycle of weight loss and weight gain. Off and on fad dieters typically experience weight cycling. Phenomenon of successfully losing weight only to gain it back within a few months, followed by renewed dieting,…
-
Weight-bearing exercise
A movement performed in which the body weight is supported by muscles and bones. Any physical activity that requires the body to support its weight, including many aerobic exercises as well as strengthening and resistance exercises. The principal benefit of weight-bearing exercise is that it strengthens the bones. When bones take on the weight of…
-
Working heart rate
Heart rate taken at the completion of the aerobic portion of the workout to determine if the individual was in his target zone and at proper intensity for age and physical fitness level.
-
Warm-up
A balanced combination of static stretch and rhythmic limbering exercises that prepare the body for more vigorous exercise. The first phase of any exercise prescription. Warm-up is the first part of the three-segment workout. It prepares the body physically and mentally for the conditioning bout. The 5-10 minutes of low-intensity movement at the beginning of…