نتایج جستجو برای: wmax

تعداد نتایج: 199  

ژورنال: :فیزیولوژی ورزشی 2015
حسن دست بر حق فریبرز هوانلو امید قربانی بهزاد بازگیر

هدف پژوهش حاضر با بررسی اثرات تمرین تناوبی شدید در شرایط هایپوکسی (14o2%( و نورموکسی (21o2%( بر لکوسیت ها و سلول های خونی به پاسخ فعالیت وامانده ساز بود. 16 مرد فعال (سن 94/2±27/23 سال، قد 86/5±13/178 سانتی متر، وزن 87/7 ±06/74 کیلوگرم، چربی بدن 70/3±33/19 درصد) به طور تصادفی به دو گروه فعالیت در شرایط هایپوکسی (%14o2) و نورموکسی (%21o2) تقسیم شدند. پیش از شروع تمرین، آزمودنی ها آزمون وامانده­س...

Journal: :Journal of rehabilitation medicine 2008
Cristiane Carvalho Carin Willén Katharina Stibrant Sunnerhagen

OBJECTIVE The aim of the present study was to examine the correlation between 1-legged bicycling and the 6-minute walk test (6MWT) in subjects post-stroke. A further aim was to analyse the relationship between specific stroke impairment and walking endurance. PARTICIPANTS Thirty-four subjects (mean age 60 (standard deviation (SD) 4.1) years; mean time post-stroke 62 (SD 33) months) with strok...

2016
Tine Torbeyns Bas de Geus Stephen Bailey Kevin De Pauw Lieselot Decroix Jeroen Van Cutsem Romain Meeusen

PURPOSE Cycling desks as a means to reduce sedentary time in the office has gained interest as excessive sitting has been associated with several health risks. However, the question rises if people will still be as efficient in performing their desk-based office work when combining this with stationary cycling. Therefore, the effect of cycling at 30% Wmax on typing, cognitive performance and br...

2017
Jacob S Thum Gregory Parsons Taylor Whittle Todd A Astorino

Exercise adherence is affected by factors including perceptions of enjoyment, time availability, and intrinsic motivation. Approximately 50% of individuals withdraw from an exercise program within the first 6 mo of initiation, citing lack of time as a main influence. Time efficient exercise such as high intensity interval training (HIIT) may provide an alternative to moderate intensity continuo...

Journal: :Medicine and science in sports and exercise 2008
Kevin Currell Asker E Jeukendrup

INTRODUCTION The aim of the present study was to investigate the effect of ingesting a glucose plus fructose drink compared with a glucose-only drink (both delivering carbohydrate at a rate of 1.8 g.min(-1)) and a water placebo on endurance performance. METHODS Eight male trained cyclists were recruited (age 32 +/- 7 yr, weight 84.4 +/- 6.9 kg, .VO(2max) 64.7 +/- 3.9 mL.kg(-1).min(-1), Wmax 3...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم کشاورزی و منابع طبیعی گرگان - دانشکده کشاورزی گنبد 1390

آنالیز رشد روش با ارزشی در بررسی کمی رشد و نمو و تولید محصولات به شمار می رود. این آزمایش در مزرعه تحقیقاتی دانشکده علوم زراعی دانشگاه علوم کشاورزی و منابع طبیعی گرگان در سال زراعی 88-1387 اجرا گردید. آزمایش با طرح پایه بلوک های کامل تصادفی در چهار تکرار و در دو شرایط دیم و آبی به صورت آزمایش مرکب اجرا شد. در این آزمایش هفت رقم گندم پر کشت و کار و رایج در استان گلستان به نام های شیرودی، تجن، کو...

2010
Jon K. Linderman VITOR COSTA

Costa VP, De-Oliveira FR. Physiological variables to predict performance in cross-country mountain bike races. JEPonline 2008;11(6):14-24. Mountain bike (MTB) is a recent sport derived from cycling with little information about the athletes and races. The aim of this study was to identify the morph-physiological characteristics in Elite MTB athletes and the physiological variables associated in...

Journal: :CoRR 2017
Tung Mai Richard Peng Anup B. Rao Vijay V. Vazirani

Small depth networks arise in a variety of network related applications, often in the form of maximum flow and maximum weighted matching. Recent works have generalized such methods to include costs arising from concave functions. In this paper we give an algorithm that takes a depth D network and strictly increasing concave weight functions of flows on the edges and computes a (1−ǫ)-approximati...

2016
Andrew C. D’Lugos Nicholas D. Luden Justin M. Faller Jeremy D. Akers Alec I. McKenzie Michael J. Saunders

The effects of protein supplementation on cycling performance, skeletal muscle function, and heart rate responses to exercise were examined following intensified (ICT) and reduced-volume training (RVT). Seven cyclists performed consecutive periods of normal training (NT), ICT (10 days; average training duration 220% of NT), and RVT (10 days; training duration 66% of NT). In a crossover design, ...

Journal: :The Journal of pediatrics 2008
Marco Van Brussel Tim Takken Cuno S P M Uiterwaal Hans J Pruijs Janjaap Van der Net Paul J M Helders Raoul H H Engelbert

OBJECTIVE To study the effects of a physical training program on exercise capacity, muscle force, and subjective fatigue levels in patients with mild to moderate forms of osteogenesis imperfecta (OI). STUDY DESIGN Thirty-four children with OI type I or IV were randomly assigned to either a 12-week graded exercise program or care as usual for 3 months. Exercise capacity and muscle force were s...

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