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Items for "Exercise"

Development of Interesting Step-climbing Styles

OBJECTIVES: This study was to investigate the influence of stepping styles (forward, side, and cross steppings) and inclinations (25 and 45 degrees) on cardiorespiratory responses (C-R responses). METHODS: Twenty volunteers were recruited and randomly arranged into two ten-people groups, exercising on step-climbing machines respectively of 25 and 45 degrees of inclination...

Keywords: Exercise, oxygen consumption, exertion, blood pressure

01/2005 | Methods of Information in Medicine, Schattauer

Calcium signalling in the regulation of PGC-1α, PDK4 and HKII mRNA expression

The role of calcium signalling and specific intracellular calcium signalling pathways in regulating skeletal muscle tissue peroxisome proliferator-activated receptor γ co-activator (PGC)-1α, hexokinase (HK)II and pyruvate dehydrogenase kinase (PDK)4 mRNA was examined...

Keywords: cell culture, Exercise, in vitro incubation, skeletal muscle

05/2007 | Biological Chemistry, Walter de Gruyter

The assessment of bone metabolism in female elite endurance athletes by biochemical bone markers

Purpose: Premature osteoporosis is a frequent problem in female athletes. Current concepts suggest that a disruption of the hypothalamic-pituitary axis leads to hypoestrogenism, which then causes amenorrhea and osteoporosis...

Keywords: bone alkaline phosphatase (BAP), Exercise, osteocalcin (OC), osteoprotegerin (OPG), serum ?-crosslaps (CTx), soluble TNF-?-receptor antagonist ligand (sRANKL)

12/2004 | Clinical Chemical Laboratory Medicine, Walter de Gruyter

?-Tocopherol supplementation reduces the elevated 8-hydroxy-2-deoxyguanosine blood levels induced by training in basketball players

Background: The aim of the present study was to investigate the effect of ?-tocopherol (?-Te) supplementation on DNA oxidative damage induced by heavy training in basketball players.

Methods: Blood was obtained from 10 players before (group A) and after training (group B) and after 1 month on ?-Te (200 mg/day, orally) supplementation, before (group C) and after training (group D)...

Keywords: 8-hydroxy-2-deoxyguanosine (8-OHdG), DNA oxidation, Exercise, ?-tocopherol

08/2006 | Clinical Chemical Laboratory Medicine, Walter de Gruyter

L-Cysteine supplementation prevents exercise-induced alterations in human erythrocyte membrane acetylcholinesterase and Na⁺,K⁺-ATPase activities

Background: L-Cysteine (L-Cys) is implicated in the reduction of free radical production...

Keywords: acetylcholinesterase, cysteine, Exercise, Na+,K+-ATPase, Oxidation

01/2007 | Clinical Chemical Laboratory Medicine, Walter de Gruyter

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