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1

The effect of vigorous aerobic and standard anaerobic exercise testing on GH-IGF-1 secretion in adult females

100%
Rakover N., Nemet D., Meckel Y., Pantanowitz M., Zaken B. Z., Eliakim A.
Trends in Sport Sciences
|
2013
|
tom 20
|
nr 3
Introduction. Exercise-associated effects on the GH→IGF-1 axis were studied, mainly following aerobic exercise. Material and Methods. The effects of laboratory vigorous aerobic (10-min treadmill run at 85% of peak VO2 ) and standard all-out anaerobic (30 s Wingate anaerobic test- WAnT) tests on the GH→IGF-1 axis were determined in 12 healthy active females (24-34 years). The tests were performed in random order. Blood samples for GH and IGF-1 were collected before and 20, 30, 40 and 60 minutes after the beginning of each exercise test. Both tests were associated with significant increases in GH. Results. Peak GH was higher following the WAnT (11.0 ± 8.3 vs. 7.5 ± 7.3 ng/ml, respectively) but this difference was not statistically significant. However, the GH area under the curve (AUC) was signifi cantly greater in the anaerobic test as compared with the aerobic test. Only the WAnT was associated with a significant increase in IGF-1 levels (from 177.8 ± 47.2 to 198.8 ± 56.2, p < 0.02). However, no significant differences were found in peak IGF-1 and IGF-1 AUC following both tests. Vigorous aerobic and standard allout anaerobic laboratory tests led to significant GH increases in the same female individuals. GH and IGF-1 responses were greater following the WAnT. Conclusions. GH-IGF-1 changes may be used to gauge exercise intensity, not only following aerobic but also anaerobic exercise.
2

Lactate concentration and creatine kinase activity after 110-m and 400-m hurdles races

100%
Krysciak J., Podgorski T., Eichler A.
Trends in Sport Sciences
|
2015
|
tom 22
|
nr 4
Introduction. 110-m and 400-m hurdles races are based on anaerobic energy metabolism which can induce muscle fatigue and muscle fiber damage. The most common biochemical parameters used in controlling athletes’ training loads and post-exercise fatigue are blood lactate (La) concentration and creatine kinase (CK) activity. Aim of Study. The aim of the study was to determine and compare runners’ biochemical response after 110-m and 400-m hurdles races. The influence of warm-up before both races was taken into consideration. Material and Methods. Eight male hurdlers took part in this research. They were subjected to two test exercises: a 110-m and a 400-m hurdles race. During each test, pre-warm-up, post-warm-up, and post-exercise capillary blood from a fingertip was collected to determine the La concentration and CK activity. Furthermore, during both sprint runs the athletes’ time (to the nearest 0.01 s) and heart rate (HR) were measured. Results. Each kind of exercise test increased the La concentration and CK activity. More significant changes of both biochemical parameters occurred after the 400-m race. Furthermore, after each warm-up significant increases of La and CK levels were observed. After the 400-m hurdles race higher HR values were noted (184.50 ± 8.32 compared to 177.50 ± 11.14 after the 110-m sprint). Conclusions. Both specialist warm-up and 110 and 400 meters hurdles races lead to significant changes in athletes’ physiological and biochemical blood parameters. La concentration and CK activity demonstrate greater muscle fatigue and muscle fiber damage after a 400-m than a 110-m hurdles race.
3

Changes in lactate, pyruvate and glucose levels in field hockey players under different training and match stimuli

84%
Podgorski T., Adrian J., Nowak A.
Trends in Sport Sciences
|
2015
|
tom 22
|
nr 3
Introduction. Lactate, pyruvate and glucose levels are the most common biochemical markers used for controlling training loads and physical efficiency of athletes. Each stage of a field hockey training cycle requires activation of a different metabolite responsible for physical exercise. Aim of Study. The aim of the study was to determine the biochemical response of field hockey players to different types of exercise in a training cycle in comparison to a real match. Material and Methods. Ten male university team field hockey players took part in the study. The players were examined six times during an annual training cycle. The examination consisted of the following tests: treadmill test (twice), 13 km running, interval training, spinning, and a real field hockey match. During the tests preand post-exercise capillary blood from a fingertip was collected to determine the lactate (La), pyruvate (Pa) and glucose levels using enzyme methods. Furthermore, bioelectrical impedance analysis (BIA) was carried out four times during the annual training cycle. Results. Each exercise test increased the La and Pa concentrations, however, the glucose level was raised only during the treadmill tests. The 13 km running test and interval training results were statistically different. The most essential changes of La and Pa concentrations were noted between the treadmill tests and the match. Conclusions. The aim of field hockey training is to prepare players to meet match requirements. The analysis of players’ metabolic responses to different kinds of training indicates that a match effort is similar to 13 km running and physiologically close to interval training
4
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Effects of anaerobic exercise in the morning and evening sessions on some coagulation factors in non-athletes female students of Islamic Azad University of Sanandaj

67%
Tabatabai E. F., Hematfar A., Saeidian S.
International Letters of Natural Sciences
|
2014
|
tom 05
The purpose of the present research is compare the effects of coagulation factors in non-athletes gilrs after exhaustive anaerobic activity sessions in the morning and evening. Present study was semi-emprical that was done on 12 non-athlete female students in range of 18-24 years. Exercise protocol was RAST test, that in which each person passed amain 35 meters of distance for 6 times and rest 10 seconds between each stage. Blood sampling was performed Once in the morning (8 am) and a later week in evening (5 pm) in two stages (before and after). Datas were analyzed with Kolmogorov Smirnov test, Levine's test and two-way ANOVA level (p < 0/05 ). The results showed that there was not significative difference between the effects of an anaerobic activity in the morning and in the evening on hematocrit, platelet, partial time Thromboplastin (PTT), Prothrombin time (PT) and fibrinogen in non-athletic subjects. Findings showed that training for normal persons, non-athletes and patients, especially patients with clotting problems, and cardiovascular disease will be suggeste, each activity to be act with caution at morning and during the day.
5
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Effects of anaerobic exercise on some coagulation factors in non-athletes female students of islamic Azad University of Sanandaj

67%
Foroughi M., Tabatabai E. F.
International Letters of Natural Sciences
|
2015
|
tom 39
The purpose of the present research is compare the effects of coagulation factors in nonathletes gilrs after exhaustive anaerobic activity .Present study was semi-emprical that was done on 12 non-athlete female students in range of 18-24 years. Exercise protocol was RAST test, that in which each person passed amain 35 meters of distance for 6 times and rest 10 seconds between each stage.Blood sampling was performed in two stages (before and after).Datas were analyzed with Kolmogorov Smirnov test, Levine's test and two-way ANOVA level (p < 0/05 ). The results showed that anaerobic exercise had a significant influence on partial time Thromboplastin (PTT), and fibrinogen in non-athletic subjects.But there was not significative difference on Prothrombin time (PT), platelet and hematocrit.Findings suggested that a meeting of anaerobic exercise on blood coagulation factor, effectiveness and changes in some of the invoices for training program Drafradghyrfal is important.
6

Przebieg stresu oksydacyjnego w wybranych grupach sportowcow w trakcie wysilkow o roznej intensywnosci

51%
Nazarewicz R., Babicz-Zielinska E.
Bromatologia i Chemia Toksykologiczna
|
2004
|
tom 37
|
nr Supl.
65-68
Celem pracy była ocena różnic w poziomie stresu oksydacyjnego w trakcie wysiłku tlenowego i beztlenowego. Przeprowadzono badania na grupach chłopców trenujących dyscypliny o różnym charakterze pracy. Do oceny poziomu stresu oksydacyjnego posłużono się markerem stresu, jakim jest kwas moczowy. Oceniono również wielkość spożycia białka.
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