objectives: it is well known that neuromuscular function is temperature sensitive. changing of muscle temperature can effect voluntary muscle contraction. the aim of this study was to investigate the effects of cooling and heating on maximal isometric force generated by the elbow flexor musculature in male subjects. methods: forty five healthy males encompassing 3 groups participated in the cur...

background: the aim of this study was to investigate muscle damage indicators and electromyography activities of quadriceps muscles at 25° of hip flexion in untrained healthy females after an eccentric exercise induced muscle fiber damage.   methods : a total of 14 healthy females participated in this pre-experimental study. the subjects performed maximal eccentric quadriceps contractions at 25...

objective:  unaccustomed and intense eccentric exercise is a common cause of delayed-onset muscle soreness (doms). there are multiple remedies for the treatment of doms, but its clinical and laboratory pieces of evidence are scarce. currently, the treatments proposed for doms are numerous and include pharmaceuticals, herbal remedies, stretching, massage, nutritional supplements, and other alter...

objective(s): we aimed to investigate the influence of transient receptor potential channel 3 (trpc3) on lipopolysaccharide-induced (lps) preterm delivery mice. materials and methods: mice were randomly assigned to the four groups: an unpregnant group, a mid-pregnancy group (e15), a term delivery group, and an lps-induced preterm delivery group (intraperitoneal injection lps at 15 days). uterin...

background: motorcycle has been one of the vital modes of transportation worldwide. it is quite difficult to identify the risk factors that affect muscular discomfort among motorcyclist due to not much research having been carried out on the motorcyclist. the purpose of this study was to have a better understanding of the risk factors of muscular discomfort among motorcyclist due to motorcycle ...

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objectives the aim of this study was to investigate the relation between respiratory muscle strength and the severity of chf, and the influence of respiratory muscle strength on abnormal ventilation during exercise in chf patients. conclusions respiratory muscle strength is related to the severity of chf, and associated with rapid and shallow ventilation or excessive ventilation during exercise...

background: surface electromyography (semg) of muscles is a non-invasive tool that can be helpful in the assessment of muscle function and some motor control evaluations. a loss of force, known as muscle fatigue is accompanied by changes in muscle electrical activity. one of the most commonly used surface emg parameters which reflects paraspinal muscle fatigue during different tasks and positio...

ketotifen is a benzocycloheptathiophene with a range of pharmacological activities. the present study was carried out to evaluate the action of ketotifen on isolated rat bladder contractions induced by kci and acetylcholine, compared with the effects of other drugs. ketotifen (5 µm) reduced the response to acetylcholine on rat isolated bladder without altering the maximum response and shifted t...

effect of dietary free l-lysine on growth, food intake, and muscle composition of beluga juveniles were investigated over 6 weeks. control diet lysine content was 2.1% of dry matter (4.4% of dietary protein). three experimental diets were prepared by adding lysine (0.5, 1 and 1.5%) to control diet to obtain diets containing 2.6, 3.1 and 3.6% of dry matter lysine (corresponding to 5.5, 6.6 and 7...