نتایج جستجو برای: 75 hrmax then

تعداد نتایج: 919539  

Journal: :Acta Psychologica 2021

This study assessed the effect of acute continuous and intermittent physical activity (PA) on children's executive function (EF). Twenty-four participants (14 boys M = 10.32 ± 0.48 years), using a within-subjects design, performed (70% HRmax) an (≥85%HRmax; 12 bouts: 30 s work, 45 rest) PA bout cycling, both lasting 15 min. Executive was Stroop task, Digit Span Corsi Blocks tests these were adm...

Journal: :Journal of strength and conditioning research 2004
Matthew A Wyon Grant Abt Emma Redding Andrew Head N Craig C Sharp

The aim of the present study was to examine whether the workload, expressed in oxygen uptake and heart rate, during dance class and rehearsal prepared the dancer for performance. Previous research on the demands of class and performance has been affected by equipment limitations and could only provide limited insight into the physiological demands placed on the dancer. The present study noted t...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه محقق اردبیلی - دانشکده علوم تربیتی و روانشناسی 1392

تحقیق حاضر با هدف بررسی تأثیرهشت هفته تمرین ورزشی در محدوده بین آستانه ی هوازی و آستانه بی هوازی بر متغیر های قلبی- تنفسی مردان جوان غیرفعال انجام شد. روش تحقیق: بدین منظور20 مرد غیر فعال با میانگین سنی 01/1±44/20سال، قد 97/5±67/179سانتی متر و توده بدن 83/3 ± 75/70 کیلوگرم به طور تصادفی در دو گروه تجربی (10 نفر) و کنترل (10 نفر) قرار گرفتند. تمرینات به مدت 8 هفته و هر هفته 3 جلسه اجرا شد. آزمود...

مقدمه ایریزین مایوکاینی است که از پروتئین غشایی FNDC5 آزاد می‎شود و تأثیرات مثبتی بر متابولیسم کربوهیدرات‎ها دارد. پژوهش حاضر به بررسی اثر دو شدت تمرین ترکیبی بر میزان ایریزین، قند خون ناشتا، HbA1c و مقاومت انسولینی پرداخته است. روش کار در این مطالعه 26 زن دیابتی نوع 2 به گروه های، تمرین ترکیبی شدید، متوسط و کنترل تقسیم شدند. گروه‎های تمرینی، 8 هفته تمرین شامل 5 روز تمرین هوازی و 2 روز تمرین...

Journal: :Akdeniz Spor Bilimleri dergisi 2023

The study aimed to investigate the effect of acutely consuming high-dose isolated 6 g taurine 90 min before incremental treadmill-running time exhaustion (TTE) performance on maximal oxygen uptake (VO2max), heart rate (HRmax), TTE, and ratings perceived exertion (RPE). A total ten well-trained, competitive male endurance (biathlon) athletes participated in this study. double-blind, randomized c...

Journal: :Bravo's 2022

Penelitian ini bertujuan untuk menganalisis pengaruh latihan interval dan continuous intensitas sedang terhadap tekanan darah, heart rate, saturasi oksigen pada laki-laki remaja yang sehat. Sebanyak 14 usia 21-25 tahun, indeks massa tubuh (IMT) 18.5 – 22.9 kg/m2, tidak memiliki riwayat penyakit kronis terlibat dengan sukarela dalam penelitian. Secara random subjek dibagi menjadi dua kelompok, y...

Journal: :Ergonomics 1999
C N Dowzer T Reilly N T Cable A Nevill

The maximal physiological responses to treadmill running (TMR), shallow water running (SWR) and deep water running (DWR) while wearing a buoyancy vest were compared in 15 trained male runners. Measurements included oxygen consumption (VO2 max), respiratory exchange ratio (RER) and heart rate (HR). Treadmill running elicited VO2 max and HRmax, which were higher than the peaks attained in both wa...

Journal: :Journal of aging and physical activity 2013
Karin M Volkers C W van Dijk T Laura H Eggermont A Peter Hollander J A Scherder E

INTRODUCTION The American College of Sports Medicine prescribes regular performance of at least moderate-intensity physical activity for healthy aging. This study examined whether 1 session of 30 min of chair-assisted exercises for the elderly meets this intensity criterion. METHOD This cross-sectional study included 47 cognitively healthy volunteers (mean age 84 years). During the performanc...

Journal: :Estuarine Coastal and Shelf Science 2021

Abstract The complex structures of the prop root system mangrove genus Rhizophora attenuate storm surges and tsunamis promote sedimentation. While quantification mangrove's drag force is essential for assessing mangroves' ability to reduce risk disaster vulnerability rising sea-level, projected area having multiple orders roots (e.g., first-, second-, third-order roots, where order indicates le...

Journal: :Retos: Nuevas Tendencias en Educación Física, Deportes y Recreación 2022

The main purpose of this study was to compare cycle ergometer training using low intensity and moderate in increasing the catecholamine hormone overweight females. This conducted on 50 females with mean age 22.44±2.97 years old body mass index between 25 kg.m.2 30 kg.m.2. Treatment given 4 times per week during 5 weeks periods Group 1 continuous (60%-70% HRmax), 2 (70%-80% HRmax). Heart rate mo...

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