نتایج جستجو برای: subjects received caffeine or placebo in a double
تعداد نتایج: 20511839 فیلتر نتایج به سال:
By using deceptive experiments in which participants are informed that they received caffeine when, fact, an inert substance (i.e., placebo), several investigations have demonstrated exercise performance can be enhanced to a similar degree as known dose. This ‘placebo effect’ phenomenon may part of the mechanisms explaining caffeine’s ergogenicity exercise. However, there is no study has establ...
abstract the present thesis seeks to critically read george orwell’s nineteen eighty-four and animal farm in the light of louis althusser’s thought and theory. the present thesis proceeds to examine and demonstrate althusser’s major concepts including ideological state apparatuses (isas), repressive state apparatuses (rsas), the structure, the subject, and ideological interpellation which r...
OBJECTIVE To determine whether caffeine consumption affects bronchoprovocation challenge (BPC). DESIGN A prospective, double-blind, placebo-controlled, randomized, crossover trial. PATIENTS Eleven nonsmoking men, aged 18 to 42 years, with normal baseline spirometry and evidence of exercise-induced bronchospasm. INTERVENTION On three separate test days, each individual received, in random ...
OBJECTIVE Investigation of the effect of a green tea-caffeine mixture on weight maintenance after body weight loss in moderately obese subjects in relation to habitual caffeine intake. RESEARCH METHODS AND PROCEDURES A randomized placebo-controlled double blind parallel trial in 76 overweight and moderately obese subjects, (BMI, 27.5 +/- 2.7 kg/m2) matched for sex, age, BMI, height, body mass...
OBJECTIVE We examined the effects of caffeine and a psychological stressor on salivary alpha-amylase (sAA) in healthy young males (age 18-30 years) who consumed caffeine on a daily basis. METHODS Using a between-subjects, double-blind, placebo-controlled design, 45 participants received either 200 or 400 mg of caffeine (Vivarin) or placebo, rested for 20 min, and then performed 20 min of ment...
Introduction: Research has shown that the time of day to absorb caffeine is an intervention variable which should be considered when evaluating caffeine ergogenic. The purpose of this study is to comprise sprint and endurance swimming records on female swimmers in the morning and evening following consumption of caffeine. Material and Methods: Fourteen female swimmers (age 24.6 ± 4 years, BMI 2...
Background: Based on the limited and inconsistent results about the effects of acute methylxanthine component on exercise-induced inflammatory response, the present study was conducted to identify the effect of acute different doses of caffeine intake on serum interleukin-6 (IL-6) response in male volleyball players following one-session of exhaustive resistance exercise. Methods: Thirty ma...
abstractof two mcall programs introducing 100 vocabulary items through two im the researcher of the present study was intrigued to compare the effects age modalities (pictures and streaming video) with those of a conventional method (teacher instruction) in an efl context. she set out to investigate whether such multimedia environments could provide a more effective environment for vocabulary...
BACKGROUND Green tea (epigallocatechin gallate + caffeine) and protein each were shown to improve body weight maintenance after weight loss. OBJECTIVE We investigated the effect of a green tea-caffeine mixture added to a high-protein (HP) diet on weight maintenance (WM) after body weight loss in moderately obese subjects. DESIGN A randomized, placebo-controlled, double-blind parallel trial ...
within communicative, interactive, and learner-centered framework of language teaching and learning, students need to learn four skills of listening, speaking, reading, and writing for their educational success. but of all the language skills, reading enjoys a paramount significance in so many second or foreign language academic contexts. in spite of its importance, language learners still have...
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