Systematic and programmed physical exercise, called training, play a significant role in human health and ability improvement. A moderate physical exercise is considered as a very efficient method of increasing general physical ability and reaching the top results in sport, and simultaneously contributes to health quality of persons having sedentary professions. In active sportspersons, ability of cardiovascular, respiratory and bone-muscle systems are determined by training quality itself. Sportspersons show characteristically better adaptability of neurohumoral system to effort, as well as a higher activity of intracellular enzyme systems. Well-dosed physical exercise has an exceptional influence on human health, above all by regulating cholesterol blood level and electrolyte level of serum, whose minimal change can directly affect human health. This study was aimed to establish quantity and quality of organism response to physical exercise, in regard to level of daily training, by determining lipid fractions level in serum and electrolyte composition of serum. The study involved 50 healthy men in age between 20 and 25, divided into two groups. The first group was composed by physically untrained men, chosen by the random sample method. The other group of subjects was composed by 35 active sportsmen, chosen by direct selection for the best-trained ones among them. In order to reach a submaximal exertion, we used Astrand's test of submaximal exertion on the bicycle-ergometer. Blood samples were taken immediately before and after testing. The following parameters were determined in blood serum: high-density lipoproteins (HDL), low-density lipoproteins (LDL), triglyceride + + 2+ 2+ - content, as well as concentration of sodium (Na ), potassium (K ), calcium (Ca ), magnesium (Mg ) and chlorine (Cl) ions. On the base of our research we concluded that physical exercise of submaximal intensity did not lead to any quantitative and qualitative change of lipid fractions in blood serum of untrained persons. Physically inactive persons had higher serum concentrations of triglycerides and total cholesterol in regard to the investigated sportsmen. At the same time, sportsmen showed a higher HDL content of serum. Physical exertion in sportsmen led to a significant rise of triglycerides and highdensity lipoproteins content of serum, and the levels of total cholesterol and low-density lipoproteins did not changed + ++ significantly. Physical exertion of submaximal intensity in both studied groups caused a significant increase of Na , Ca and ++ + - Mg ion concentration, while concentration of K and Cl ions did not changed significantly. Numerous clinical studies showed that moderate aerobe exercise amplifies endothelial function and reduces cardiovascular risk

Bone tissue infections caused by non-specific agents (non-specific osteomyelitis) occur most frequently among children and young individuals demanding surgical and antibiotic therapy, although with unpredictable clinical outcome. While mobilization of cellular response to infectious agents takes place, a bulk of oxygen-derived free radicals emerge with concomitant participation of various elements of endogenous antioxidative defense. Vitamin C is an endogenous antioxidant active in the aqueous phase. It is very likely that ostoemyelitic patients already have some kind of disorder in specific antioxidant system due to hematogenic origin of non-specific osteomyelitis. Our results show that serum total vitamin C concentrations among patients with non specific osteomyelitis are not significantly different from those obtained among control subjects. However, we found significantly different concentrations of ascorbate, dehyroascorbate and their concentration ratio in serum within osteomyelitic patients that points to enlarged consumption of ascorbate even before the bone localization of infection took place

Fibromyalgia presents a great clinical problem. Existence of no objective criteria for diagnosis is the key problem of this disease in the clinical rheumatology. The task of this work was to present the most practical quantification of fibromyalgia in every-day practice. Out of 37 patients there were 29 (78,3%) women, and 8 (21,6%) men. Out of this number there were 3 (8,1%) with primary fibromyalgia, 8 (21,6%) with secondary fibromyalgia, 25 (67,5%) were concomitant, whereas there was only one atypical case, i.e. (2,7%).

Osteoporosis is a condition chracterized by a reduced amount of bone which leads to diminihed physical strength of the skeleton and an increased susceptibility to fractures. There are many causes of osteoporosis but the most common by fair is due to the decrese in the amount of bone which occurs after the menopause, the so called postmenopausal osteoporosis. There is no evidence that postmenopausal bone loss itself causes any symptoms and ensuing osteoporosis has therefore been called «the silent epidemic».

The complement system (complement) involves over 30 circulating and membrane-fixed proteins with an effector
role in the innate and humoral immunity. These proteins help the function of antibodies to protect the organism from foreign
molecules (antigens) which the term complement comes from. Soluble proteins of the complement system made mainly in
the liver and circulate in blood in an inactive form. The activation of complement may be initiated in three ways (classical,
alternative and lecitin pathway), and it is realized by sequential proteolysis of complement proteins (proenzymes) which
become emzymes with the proteolitic activity after cleavage. Products of the activatin of complement bind to the surface of
microbes or to the antibodies bound to antigens. An activated complement shows a number of biological effects, such as
lysis of an attached cell, opsonization, neutralization of viruses, inflammation, clearance of immune complexes etc. In contrast of microorganisms, human cells have a number of regulatory proteins which prevent the complement activation and in that way, they regulate its activity

Scientific research of effects of glucagon on the cardiovascular system have shown that glucagon has some
cardiostimulatory potential. The very interesting fact is that glucagon shows its cardiostimulatory effects by activating its
own, higly specific glucagonic receptors. That is way we wanted to research not only the effects of glucagon on the C.V.S.
but also its effects during the depression of the C.V.S. with high dosses of beta blocators (presolol) expecting a good
hemodinamic response. The experiment has been performed on two groups of 6 dogs. The first group of animal was treated
with i.v. bolus injections of glucagon and other group with presolol (15 mg/kg b.w.) i.v., and after that with i.v. bolus
injection of glucagon. Hemodinamic variables (mean arterial pressure, central venal pressure and hearth frequency) were
registred at the 1-st, 2-nd, 3-rd, 10-th, 20-th, 30-th and 40-th minute. The hearth frequency was registred by continous
monitoring, mean arterial pressure was registred with cateter in the arterial femoralis, while the central venal pressure was
registred over central venal cateter in v. femoralis. After the i.v. bolus injection glukagon shows higly positive effects,
followed by short-term increase of the mean arterial pressure, while the c.v.p. considerably falls. During the administration
of presolol the hearth frequency and mean arterial pressure fall considerably and progressively, while the c.v.p. rises
considerably. Glucagon, in conditions of c.v.s. depresion by high doses of presolol (15 mg /kg b.w.) considerably increases
hearth frequency and mean arterial pressure, while the c.v.p. falls considerably.