نتایج جستجو برای: gxt

تعداد نتایج: 105  

2006
John A. Mercer Janet S. Dufek Barry T. Bates

Objective: To compare peak oxygen consumption (VO2) and heart rate (HR) during treadmill (TM) running and exercise on an elliptical trainer (ET). Design: A graded exercise test (GXT) during TM running and ET exercise. Participants: Physically active college students (N = 14; 25 ± 4.6 years). Each completed a TM GXT and ET GXT on separate days. Results: There were no differences in either VO2pea...

Journal: :Journal of aging and physical activity 2006
Robert A Carels Bonnie Berger Lynn Darby

Mood states influence evaluative judgments that can affect the decision to exercise or to continue to exercise. This study examined how mood associated with graded exercise testing (GXT) in sedentary, obese, postmenopausal women (N = 25) was associated with physical activity and predicted VO2max during and after a behavioral weight-loss program (BWLP). Measures of physical activity included pla...

2014
Roberta Ceci Maria Reyes Beltran Valls Guglielmo Duranti Ivan Dimauro Federico Quaranta Monica Pittaluga Stefania Sabatini Paolo Caserotti Paolo Parisi Attilio Parisi Daniela Caporossi

We recently demonstrated that low frequency, moderate intensity, explosive-type resistance training (EMRT) is highly beneficial in elderly subjects towards muscle strength and power, with a systemic adaptive response of anti-oxidant and stress-induced markers. In the present study, we aimed to evaluate the impact of EMRT on oxidative stress biomarkers induced in old people (70-75 years) by a si...

2014
Chul Kim Hee Eun Choi Heejin Jung Seong Hoon Kang Jeong Hoon Kim Young Sup Byun

OBJECTIVE To confirm the improvement in arterial endothelial function by aerobic exercise training, flow-mediated dilation (FMD) was tested by ultrasonography. METHODS Patients who received percutaneous coronary intervention due to acute coronary syndrome were included. The patients who participated in cardiac rehabilitation (CR) program were categorized as the CR group, and others who did no...

2010
Jeffrey M. Curtis Edward S. Horton Judy Bahnson Edward W. Gregg John M. Jakicic Judith G. Regensteiner Paul M. Ribisl Judith E. Soberman Kerry J. Stewart Mark A. Espeland

OBJECTIVE We examined maximal graded exercise test (GXT) results in 5,783 overweight/obese men and women, aged 45-76 years, with type 2 diabetes, who were entering the Look AHEAD (Action for Health in Diabetes) study, to determine the prevalence and correlates of exercise-induced cardiac abnormalities. RESEARCH DESIGN AND METHODS Participants underwent symptom-limited maximal GXTs. Questionna...

2018
Yong-Seok Jee

Recently, whole body-electromyostimulation (WB-EMS) has upgraded its functions and capabilities and has overcome limitations and inconveniences from past systems. Although the efficacy and safety of EMS have been examined in some studies, specific guidelines for applying WB-EMS are lacking. To determine the efficacy and safety of applying it in healthy men to improve cardiopulmonary and psychop...

Journal: :Journal of sports science & medicine 2017
Peter Walters Nathaniel Thom Kai Libby Shelby Edgren Amanda Azadian Daniel Tannous Elisabeth Sorenson Brian Hunt

Thermoregulation is critical for athletes, particularly those for those who must perform in the heat. Most strategies aimed at reducing heat stress have cooled participants before or during activity. The objective of this study is to investigate whether seven minutes of head cooling applied between bouts of aerobic exercise in hot (35 ± 1.0 °C) and dry (14.68 ±4.29% rh) environmental conditions...

2016
W Lim D Lambrick AR Mauger B Woolley J Faulkner

The self-paced maximal oxygen uptake (VO2max) test (SPV), which is based on the Borg 6-20 Ratings of Perceived Exertion (RPE) scale, allows participants to self-regulate their exercise intensity during a closed-loop incremental maximal exercise test. As previous research has assessed the utility of the SPV test within laboratory conditions, the purpose to this study was to assess the effect of ...

Journal: :Frontiers in Public Health 2021

This study aimed to develop a predictive explanatory model for the 1,000-m time-trial (TT) performance in young national-level kayakers, from biomechanical and physiological parameters assessed maximal graded exercise test (GXT). Twelve male flat-water kayakers (age 16.1 ± 1.1 years) participated study. The design consisted of 2 protocols, separated by 48 h, on kayak ergometer. first protocol G...

Journal: :Pediatric exercise science 2012
Charlotte C Benjamin Alex Rowlands Gaynor Parfitt

Past studies have shown the patterning of affective responses during a graded exercise test (GXT) in adult and male adolescent populations, but none have explored the patterns in adolescent girls or younger children. This study explored the patterning of affective responses during a GXT in adolescents and younger children. Forty-nine children (21 male and 28 female) aged between 8-14 years (10....

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