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High school athletes sustain approximately 715,000 injuries annually. In American football, for instance, five times as many catastrophic injuries happen in high school as in college-level competition. [39] Injuries include heat illness and dehydration, concussions, and trauma-related deaths. Heat illnesses are a rising concern in youth athletics.
The roots of periodization come from Hans Selye's model, known as the General adaptation syndrome (GAS). The GAS describes three basic stages of response to stress: (a) the Alarm stage, involving the initial shock of the stimulus on the system, (b) the Resistance stage, involving the adaptation to the stimulus by the system, and (c) the Exhaustion stage, in that repairs are inadequate, and a ...
Overtraining occurs when a person exceeds their body's ability to recover from strenuous exercise. [1] Overtraining can be described as a point where a person may have a decrease in performance and plateauing as a result of failure to consistently perform at a certain level or training load; a load which exceeds their recovery capacity. [ 2 ]
70% of kids drop out of sports before 13 years old, a third experience overtraining and nearly 10% of athletes are burnt out. AAP Report: 7 in 10 kids quit sports before high school due to burnout ...
Improvement to cardiorespiratory fitness, as measured by VO 2 max, of individuals with lifestyle-induced chronic cardiovascular or metabolic diseases (including high blood pressure, obesity, heart failure, coronary artery disease, or metabolic syndrome) who completed a HIIT exercise program can be nearly double that of individuals who completed ...
An excess of training stimuli can lead to the problem of overtraining. [11] Overtraining is the decline in training performance over the course of a training program, often accompanied by an increased risk of illness or injury or a decreased desire to exercise. To help avoid this problem, the technique of periodization is applied.
After such exercise, the muscle adapts rapidly to prevent muscle damage, and thereby soreness, if the exercise is repeated. [1] [2]: 76 Delayed onset muscle soreness is one symptom of exercise-induced muscle damage. The other is acute muscle soreness, which appears during and immediately after exercise.
Stress fractures occur more commonly in physically active women with menstrual irregularities and/or low BMD with a relative risk for stress fracture two to four times greater in amenorrheic than eumenorrheic athletes. Fractures also occur in the setting of nutritional deficits and low BMD. [22]