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The old trained men have succinate dehydrogenase activities within their type IIa muscle fibers similar to those in young men and twofold higher than in old normal fit men. [ 20 ] Neural changes like reduced motor unit discharge rates, increased variability of motor unit discharge activity, altered recruitment and derecruitment behavior mediate ...
With the increase in female participation in sports, [8] the incidence of a triad of disorders particular to women—the female athlete triad—has also increased. [9] The female athlete triad and its relationship with athletics was identified in the 1980s as the prevalence increased during this period, and symptoms, risk factors, causes, and ...
The Male athlete triad is a condition among women that consists of three related health irregularities: disordered eating habits, irregular menstruation, and premature bone loss or osteoporosis. [1] The term was coined in the early 1990s when researchers from the National Institutes of Health noticed unusual health patterns among female athletes.
Central nervous system fatigue, or central fatigue, is a form of fatigue that is associated with changes in the synaptic concentration of neurotransmitters within the central nervous system (CNS; including the brain and spinal cord) which affects exercise performance and muscle function and cannot be explained by peripheral factors that affect muscle function.
Overtraining is also known as chronic fatigue, burnout and overstress in athletes. [ 3 ] [ 4 ] It is suggested that there are different variations of overtraining, firstly monotonous program over training suggest that repetition of the same movement such as certain weight lifting and baseball batting can cause performance plateau due to an ...
Scientists have churned out a bunch of studies lately about why exercise is important for brain health and may even help to lower your risk of dementia. Now, new research breaks down a specific ...
Causes Narcolepsy , idiopathic hypersomnia , circadian rhythm sleep disorder , sleep apnea , others Excessive daytime sleepiness ( EDS ) is characterized by persistent sleepiness and often a general lack of energy, even during the day after apparently adequate or even prolonged nighttime sleep.
As muscle hypertrophy is a response to strenuous anaerobic activity, ordinary everyday activity would become strenuous in diseases that result in premature muscle fatigue (neural or metabolic), or disrupt the excitation-contraction coupling in muscle, or cause repetitive or sustained involuntary muscle contractions (fasciculations, myotonia, or ...