Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Lubomir, Petrov"'
THE LOW SERUM FERRITIN AS AN INDICATOR OF INADEQUATE NUTRITION IN INTERNATIONAL-LEVEL FEMALE SWIMMER
Publikováno v:
Journal of Applied Sports Sciences, Vol 1, Iss 2024, Pp 80-90 (2024)
Introduction: Iron deficiency is a common feature in athletes, and optimizing iron levels may become a contributing factor to improved athletic performance. Purpose: This study aimed to evaluate body iron stores and their relationship with sports pe
Externí odkaz:
https://doaj.org/article/34ae552a4df5422893c51bc5b7aaacd0
Publikováno v:
Pedagogy of Physical Culture and Sports, Vol 27, Iss 6, Pp 467-473 (2023)
Background and Study Aim. The physical attributes of muscular strength and endurance are essential for wrestlers to perform successfully. For the development of these physical qualities, high intensity interval training (HIIT) using kettlebell streng
Externí odkaz:
https://doaj.org/article/05ebd417001049fab3cd25aacc924be0
Autor:
Lubomir Petrov, Albena Alexandrova, Mihail Kachaunov, Radoslav Penov, Tanya Sheytanova, Stefan Kolimechkov
Publikováno v:
Pedagogy of Physical Culture and Sports, Vol 25, Iss 4, Pp 215-224 (2021)
Background and Study Aim. Continuously increasing the volume and intensity of the training sessions often leads to overtraining. It has been demonstrated that glutathione supplementation might improve the aerobic metabolism in skeletal muscle and red
Externí odkaz:
https://doaj.org/article/45feb2c993db44e085542845e4196503
Autor:
Albena Alexandrova, Lubomir Petrov, Lyudmila Velkova, Aleksander Dolashki, Elina Tsvetanova, Almira Georgieva, Pavlina Dolashka
Publikováno v:
Journal of Pharmacy & Pharmacognosy Research, Vol 9, Iss 2, Pp 143-152 (2021)
Context: The snail hemolymph is a multi-component mixture comprising various substances with pharmacological activity. Aims: To evaluate the antioxidant activity of hemocyanin and fractions isolated of hemolymph from garden snail Helix lucorum.
Externí odkaz:
https://doaj.org/article/8f1fb3f7c01f44eebe5a164403f7e787
Publikováno v:
Pedagogy of Physical Culture and Sports, Vol 24, Iss 5, Pp 240-247 (2020)
Background and Study Aim: One of the most widely applied methods to assess upper-body strength in children and adolescents is the handgrip strength test. While in adolescents it has been determined which elbow position, and which type of dynamometer
Externí odkaz:
https://doaj.org/article/19858494b6704685b9e86ef7633cfc9e
Autor:
Nikolay Zaekov, Lubomir Petrov, Krassimir Rankov, Milena Nikolova, Rasho Makaveev, Nikola Nikolov
Publikováno v:
International Journal Bioautomation, Vol 23, Iss 3, Pp 251-258 (2019)
Aim of the study was to determine physical activity’s part of daily energy expenditure by heart rate monitoring and using data to control athletes’ nutritional intake. Group of 10 male and 4 female wrestlers (age = 21 ± 1.8) at national level, w
Externí odkaz:
https://doaj.org/article/5a60568156c54522800f7d84a63f7e83
Autor:
Stefan Kolimechkov, Iliya Yanev, Iliya Kiuchukov, Lubomir Petrov, Albena Alexandrova, Dilyana Zaykova, Emil Stoimenov
Publikováno v:
Journal of Applied Sports Sciences, Vol 1, Pp 39-52 (2019)
Young gymnasts should not have excessive body mass because that might lead to under-performance. Therefore, children practicing gymnastics should consume a balanced diet, which will promote their physical abilities and optimal body mass. The aim of t
Externí odkaz:
https://doaj.org/article/aa925cd7c5084e97974eaa5c4a68762f
Publikováno v:
Science of Gymnastics Journal, Vol 13, Iss 2 (2021)
The rings are one of the six apparatuses in men's artistic gymnastics. The final element in a rings’ routine is in many cases a crucial skill for scoring the routine. Most of the medallists on rings from the Olympic Games and World Championships fo
Externí odkaz:
https://doaj.org/article/91037e18ef724f7f8dfd94b367182732
Autor:
Lubomir Petrov, Mihail Kachaunov, Albena Alexandrova, Elina Tsvetanova, Almira Georgieva, Aleksander Dolashki, Lyudmila Velkova, Pavlina Dolashka
Publikováno v:
Life, Vol 12, Iss 8, p 1106 (2022)
Nowadays, an increased interest in natural compounds with preventive or therapeutic potential for various diseases has been observed. Given the involvement of oxidative stress in the pathogenesis of gastric ulcer (GU) and the wide range of bioactive
Externí odkaz:
https://doaj.org/article/0b38a3a0ef244e7584c07abd86706444
Autor:
Lubomir Petrov, Albena Alexandrova, Mariana Argirova, Teodora Tomova, Almira Georgieva, Elina Tsvetanova, Milka Mileva
Publikováno v:
Life, Vol 12, Iss 6, p 878 (2022)
Oxidative stress underlies the pathogenesis of many diseases, which determines the interest in natural substances with antioxidant properties. Ginkgo biloba L. leaves are well known and widely used in the pharmaceutical industry, but the therapeutic
Externí odkaz:
https://doaj.org/article/dc1f8b2546f54f14a96c95886275e257