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Wyszukujesz frazę "Testosterone" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Effect of bench press at a specified movement tempo on post-exercise testosterone and cortisol levels
Autorzy:
Studencki, Marcin
Ignatjeva, Angelina
Nitychoruk, Magdalena
Gołaś, Artur
Smółka, Wojciech
Maszczyk, Adam
Powiązania:
https://bibliotekanauki.pl/articles/1933110.pdf
Data publikacji:
2021-11-03
Wydawca:
PPHU Projack Jacek Wąsik
Tematy:
testosterone
cortisol
movement tempo
bench press
Opis:
Body response is a key element of the periodization of any training unit. The main control systems in the human body are the nervous and endocrine systems. The study aims to examine the effect of bench press at a specified movement tempo on post-exercise blood testosterone and cortisol levels. The study involved 16 men (experience in resistance training 5.5 ± 1.3 years, aged 24 ± 2 years, body weight 86.1 ± 7.2 kg, and 1RM 125 ± 17 kg). The first stage of the test focused on determining the maximum force based on a single bench press with the highest possible external load (1RM). The second stage included the main test, i.e. bench press. The participants were asked to perform 5 sets successively, with an external load of 70% of an individual 1RM and as many repetitions as possible. The tempo of the exercise was precisely specified. The metronome was used to set a bench press tempo. The movement tempo included time under tension (TUT) 2/0/2/0. TUT means the total time of muscle tension during one repetition. The tests showed significant changes in cortisol levels recorded 30 minutes after exercise, amounting to 13.75 (±4.60) at F=9.16 and p=0.006. and 60 minutes after exercise, amounting to 11.37 (±4.17) at F=19.46 and p=0.0002. No significant statistical values were found for testosterone levels. This study brings additional evidence of the importance of hormonal responses in muscle strength training.
Źródło:
Physical Activity Review; 2021, 2, 9; 111-119
2300-5076
Pojawia się w:
Physical Activity Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Endocrine Responses to Physical Training and Tribulus Terrestris Supplememtation in Middle-Age Men
Autorzy:
Wilk, Michał
Michalczyk, Małgorzata
Chycki, Jakub
Czuba, Miłosz
Roczniok, Robert
Gołaś, Artur
Zając, Adam
Maszczyk, Adam
Powiązania:
https://bibliotekanauki.pl/articles/1054899.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Szczeciński. Wydawnictwo Naukowe Uniwersytetu Szczecińskiego
Tematy:
growth hormone
insulin-like growth factor
steroidal saponins
supplementation
testosterone
Opis:
The aim of this study was to evaluate the effects of steroidal saponin supplementation on blood concentration of T, GH and IGF-1. The research involved 14 men between the age of 45 and 60 years. The duration of the experiment was 12 weeks. There were two series of laboratory tests. Independent tests were conducted at the beginning and after 12 weeks of the intervention. A two-way repeated measures ANOVA revealed a statistically significant effect of the intervention on the following variables: T-Ch (η2 = 0.542), HDL-Ch (η2 = 0.522), LDL-Ch (η2 = 0.587), T (η2 = 0.603), IGF-1 (η2 = 0.512) and GH (η2 = 0.621). Thus, FFM significantly increased while TBF and BM decreased in comparison to pre-intervention levels. The analyzed results indicate that treatment or supplementation of individual hormone deficiencies can be a successful form of counteracting the aging process. Nevertheless, the effects of TT supplementation on the concentration of T as well as GH and IGF-1, requires further studies, especially in middle-aged and older subjects, along with different exercise programs. The analyzed results indicate that treatment or supplementation of individual hormone deficiencies can be a major form of counteracting the aging process.
Źródło:
Central European Journal of Sport Sciences and Medicine; 2016, 13, 1; 65-71
2300-9705
2353-2807
Pojawia się w:
Central European Journal of Sport Sciences and Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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