نتایج جستجو برای: gxt

تعداد نتایج: 105  

مقدمه: هدف از پژوهش حاضر مقایسه تاثیر دو نوع بارگیری کوتاه‌مدت مکمل بیکربنات سدیم و فعالیت هوازی وامانده‌ساز بر شاخص‌های خستگی و بیوشیمیایی آسیب عضلانی در مردان جوان فعال بود. مواد و روش‌ها:10 مرد (سن3/1±3/23 سال، قد8/2±175سانتی‌متر، وزن4/2±65 کیلوگرم) فعال به طور تصادفی انتخاب و در یک طرح نیمه تجربی طی دو شیوه بارگیری متفاوت کوتاه‌مدت(روش اول 03/0گرم و در بارگیری روش دوم 05/0گرم به ازای ه...

ژورنال: طب مکمل 2018

Introduction: Intense exercise leads to a decrease in immune system. The aim of this study was to investigate the effect of short-term garlic extract supplementation on some cellular immune system factors after intense exercise in karate athletes. Methods: Eighteen young men (with a mean age of 20.07±4.46, BMI 22.72±2.99 kg/m2) volunteered to participate in this semi-experimented...

ژورنال: :فیزیولوژی ورزشی و فعالیت بدنی 0
محسن اکبر پور دانشگاه قم حمید امینی دانشگاه آزاد اسلامی جواد آقازاده دانشگاه آزاد اسلامی احترام عیسی نژاد دانشگاه آزاد اسلامی

هدف: مطالعات نشان داده است که تمرینات ورزشی شدید با افزایش سطح رادیکال های آزاد و ایجاد شرایط استرس اکسیداتیو همراه است، لذا هدف از تحقیق حاضر بررسی اثر فعالیت تمرینی شدید بر تغییرات بیان ژنی آنزیم کاتالاز لنفوسیتی در بازیکنان فوتبال بود. روش شناسی: در این پژوهش 9  نفر فوتبالیست جوان آماتور (16-18سال) از میان بازیکنانی که داوطلب شرکت در این تحقیق بودند به صورت تصادفی ساده انتخاب شد. در سه مرحله...

2012
Shweta Shenoy Bhupinder S Tyagi Jaspal S Sandhu

UNLABELLED BACKGROUND Aerobic capacity (VO2max) is highly dependent upon body composition of an individual and body composition varies with ethnicity. The purpose of this study was to check the concurrent validity of the non-exercise prediction equation developed by Jackson and colleagues (1990) using percentage body fat as a variable in Asian Indian adults. METHODS One hundred twenty coll...

Journal: :Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association 1998
T H Mercer P F Naish N P Gleeson J E Wilcock C Crawford

BACKGROUND Walk tests may be useful adjuncts or even alternatives to the assessment of peak oxygen uptake (VO2 peak) in patients with low functional capacity. Walk tests are easy to administer, appear to be well tolerated by patients and may represent a more meaningful measure for a patient group as they assess capability as well as fitness. However, the use of walk tests for the assessment of ...

2017
Kerry McGawley

Introduction: Traditional graded-exercise tests to volitional exhaustion (GXTs) are limited by the need to establish starting workloads, stage durations, and step increments. Short-duration time-trials (TTs) may be easier to implement and more ecologically valid in terms of real-world athletic events. The purpose of the current study was to assess the reliability and validity of maximal oxygen ...

2010
Leena Maddukuri Robert L. Eoff Jeong-Yun Choi Carmelo J. Rizzo F. Peter Guengerich Lawrence J. Marnett

3-(2'-Deoxy-β-d-erythro-pentofuranosyl)pyrimido-[1,2-a]purin-10(3H)-one (M(1)dG) is the major adduct derived from the reaction of DNA with the lipid peroxidation product malondialdehyde and the DNA peroxidation product base propenal. M(1)dG is mutagenic in Escherichia coli and mammalian cells, inducing base-pair substitutions (M(1)dG → A and M(1)dG → T) and frameshift mutations. Y-family polyme...

2015
Jérémy Coquart Roger Eston

Cite this article: Coquart J. Use of Ratings of Perceived Exertion in Rehabilitation Services:Past and Present Researches. J J Physiother Exercise. 2015, 1(1): 003. The concept of effort perception, introduced in the late 50’s from scales measuring local fatigue or breathlessness [1] is an area of extensive research and has been applied in numerous sporting, pedagogical, ergonomic and clinical ...

Journal: :The Journal of sports medicine and physical fitness 2011
K Patras G Ziogas S Ristanis E Tsepis V Tsiaras N Stergiou A D Georgoulis

AIM It has been demonstrated that the local neuromuscular response during high intensity exercise has a strong relationship with endurance markers. However, a diminished neuromuscular response has been reported for the operated leg in athletes having undergone anterior cruciate ligament reconstruction (ACLR). The purpose of the present study was to examine the relationships between endurance ma...

2012
Chul Kim Byung Ok Kim Kil-Byung Lim Young Joo Kim Yong Bum Park

OBJECTIVE To evaluate the effects of power walking (PW) training on a treadmill in patients with coronary heart disease (CHD) and to compare the cardiovascular effects of PW with usual walking (UW). METHOD Patients were recruited as participants in phase 2 cardiac rehabilitation program after receiving percutaneous coronary intervention (PCI) due to acute coronary syndrome from our hospital. ...

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