(n.) The act of exerting, or putting into motion or action; the active exercise of any power or faculty; an effort, esp. a laborious or perceptible effort; as, an exertion of strength or power; an exertion of the limbs or of the mind; it is an exertion for him to move, to-day.
Example Sentences:
(1) In some experiments heart rate and minute ventilation (central vactors) appear to be the dominant cues for rated perceived exertion, while in others, local factors such as blood lactate concentration and muscular discomfort seem to be the prominent cues.
(2) Noradrenaline decreased the phasic contraction amplitude of the circular muscle and exerted a stimulant effect on the tone which suggested an existence of two alpha 1-adrenoceptor subtypes.
(3) A complex of vitamins exerting a protective action on the system of coenzymic acetylation in the body have been tried.
(4) The photoinactivating effect of DMCT was also exerted upon other animal viruses tested, i.e.
(5) Both Diltiazem and Trifluoroperazin exerted a protective effect on the preservation of enzymatic activities and of ultrastructure in conditions of impaired calcium homeostasis.
(6) We have investigated the bacterial antagonism exerted in oral secretion by alpha-hemolytic streptococci against S. aureus and S. epidermidis.
(7) The hypothesis that monohydroxy bile acids exert their cholestatic and hepatotoxic effects via a sustained elevation of cytosolic [Ca2+] was tested in the isolated perfused rat liver.
(8) It is well established that the renal medulla exerts a potent endocrine-like antihypertensive action.
(9) (1) EXCP appears to be a more serious finding only in those higher risk individuals with either a positive EXECG or lower MAXRPP; (2) EXCP and its interactions may help discriminate between anginal and nonanginal, exertional chest pain, and (3) the contradictory results found when EXCP was allowed to interact may explain conflicting results in previous multivariate models regarding the predictive significance of EXCP.
(10) Pitch forward head movements exerted the strongest effect.
(11) Adenine sulfate, at the 0.01 mM level, was found to exert a significant protective effect.
(12) The effects exerted on the cervical spine by a traction of 150 N was studied by means of an improved radiographic technique.
(13) Furthermore, effector TH cells within the two compartments exert differential effector activities: splenic effector TH cells induce B cells to both proliferation and maturation, while thymic effector TH cells are defective in activating B-cell maturation.
(14) None of the treatments exerted any effect on fasting or one-hour insulin levels.
(15) These data support the conclusion that there are mechanisms intrinsic to each tissue which exert a degree of control during growth over its chemical composition; therefore, growth itself can be considered an intrinsic regulatory mechanism.
(16) It is concluded that ACh exerts a direct, excitatory action on geniculate neurons.
(17) Oxygen administered after arthritis is advanced still exerted a significant curative effect.
(18) This residue is thus non-essential for cardiotoxin to exert its biological action.
(19) 4-S-Cysteinylphenol (4-CP) has been shown to exert selective toxicity to melanocytes, causing growth inhibition of experimental malignant melanoma.
(20) A clear structure-mutagenicity relationship was observed in a series of aporphine alkaloids (aporphine, dehydroaporphine, 7-oxoaporphine and 4,5-dioxoaporphine), and 10,11-non-substituted aporphines were suggested to exert their mutagenicity through metabolic activation of the 10,11 positions, possibly as the 10,11-epoxides.
Overexertion
Definition:
(n.) Excessive exertion.
Example Sentences:
(1) The mainstays of treatment are life-style changes to avoid overexertion and use of light-weight orthoses and assistive aids to unload the extremities.
(2) Overexertion by volume in exclusion of part of the myocardium from contraction is dangerous due to exhaustion of the myocardial contractility reserve, relative diminution of coronary circulation with the gradual increase of exertion and overloading of the lesser circulation, which are a secondary cause of the reduction of the reserve possibilities of the heart.
(3) Just wide expanses of inoffensive pleasantness so strong that if any of the bloody really jolly nice people on the show were to drop their grins, their overexerted jowls would fall straight into their cake mix.
(4) When the end diastolic pressure grows higher, overexertion of the left atrium is naturally joined by overexertion of the right atrium.
(5) The causes of the injuries were mainly overexertion.
(6) The significance for the types of shoes for stress injuries was investigated and a tendency to increased risk of overexertion injuries was demonstrated on employing competition shoes and cheap jogging shoes.
(7) Mechanism of injury included knife or arrow penetrations (25), firearm wounds (12), falls (17), overexertion (5), and misadventures with hazards (40).
(8) The implementation of a physical training program as a tool to control overexertion injuries in industrial settings is outlined.
(9) The article gives a clinical and electrocardiographic analysis of 16 cases with chaotic atrial rhythm in ischemic heart disease and in diseases which cause overexertion, dilatation, and changes of the atrial myocardium.
(10) The results show that each of the models can be used to predict both the incidence and severity of certain overexertion types of injuries such as contact, musculoskeletal and back injuries.
(11) The goal of many researchers and practitioners of occupational health and safety has been to design manual materials handling (MMH) tasks so as to reduce the frequency and severity of overexertion injuries usually associated with these types of tasks.
(12) The commonest cause of injury was falling (36.4%), followed by injuries due to falling objects or blows (17.7%), cutting or piercing objects (15.0%), and physical overexertion (12.9%).
(13) Attacks of migraine can be caused by a spasmodic overexertion of perception which has neurotic origins.
(14) An additional report on paralysis of this nerve a few days after overexertion with later spontaneous recovery is presented.
(15) It is reported from various sources that overexertion due to lifting, pushing, pulling, and carrying objects accounts for about 27 percent of all compensable industrial injury and illness in the United States.
(16) The etiology of this neuropathy ranges from trauma to overexertion of the upper extremity.
(17) The "coefficient of myocardial overexertion" introduced in the work shows the percentage by which the heart has to increase the number of contractions so as to provide for a stable minute volume in arrhythmia.
(18) The derangement of the repolarization phase on the ECG arising in myocardial dystrophy on account of physical overexertion was found to have a diverse genesis and can be caused by the development of neurodystrophy, disorders in the electrolytes metabolism (substantial losses of potassium) and by myodystrophic cardiosclerosis.
(19) Overexertion is claimed by 60% of low back pain patients as the cause of injury.
(20) Three other patients stopped swimming because of subjective overexertion.