Title Page Forearm oxygenation and blood flow kinetics during a sustained contraction in multiple ability groups of rock climbers Running head: Haemodynamic kinetics in elite rock climbers
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Oxygen recovery kinetics in the forearm flexors of multiple ability groups of rock climbers.
The purpose of this study was to determine muscle tissue oxidative capacity and recovery in intermediate, advanced, and elite rock climbers. Forty-four male participants performed (a) sustained and (b) intermittent contractions at 40% of maximal volitional contraction (MVC) on a sport-specific fingerboard until volitional fatigue. Near-infrared spectroscopy was used to assess muscle tissue oxyg...
متن کاملDifferences in the oxygenation of the forearm muscle during isometric contraction in trained and untrained subjects.
The aim of this study was to test a hypothesis that a longer duration of isometric contraction is related to an increased oxygenation status of the muscle. A group of trained rock climbers and untrained subjects performed 15 kp sustained isometric contraction until fatigue set in. The oxygenation status was assessed using near infrared spectroscopy (ISS, USA). The results support the hypothesis...
متن کاملBrachial artery characteristics and micro-vascular filtration capacity in rock climbers.
Rock climbers perform repeated isometric forearm muscle contractions subjecting the vasculature to repeated ischaemia and distorted haemodynamic signals. This study investigated forearm vascular characteristics in rock climbers compared to healthy untrained controls. Eight climbers (CLIMB) (BMI; 22.3, s = 2.0 kg/m(2), isometric handgrip strength; 46, s = 8 kg) were compared against eight untrai...
متن کاملDifferences in Oxygenation Kinetics Between the Dominant and Nondominant Flexor Digitorum Profundus in Rock Climbers.
PURPOSE To examine differences in oxygenation kinetics in the nondominant and dominant flexor digitorum profundus (FDP) of rock climbers. METHODS Participants were 28 sport climbers with a range of on-site abilities (6a+ to 8a French Sport). Using near-infrared spectroscopy, oxygenation kinetics of the FDP was assessed by calculating the time to half recovery (t1/2 recovery) of the tissue-sat...
متن کاملAnalysis of Tests Evaluating Sport Climbers’ Strength and Isometric Endurance
The present study was designed to determine which types of specific tests provide an effective evaluation of strength and endurance in highly trained competitive sport climbers. The research process consisted of three basic components: the measurement of selected somatic characteristics of the climbers, the assessment of their physical conditioning, and a search for correlations between the ant...
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تاریخ انتشار 2017