همگرایی معادلات پیشگو در برآورد هزینه انرژی مصرفی با مدل مبنا در آزمون‌های درمانده ساز نوارگردان

نوع مقاله : علمی - پژوهشی

نویسندگان

1 دانشیار فیزیولوژی ورزشی دانشگاه محقق اردبیلی

2 کارشناس ارشد فیزیولوژی ورزشی دانشگاه محقق اردبیلی

چکیده

هدف از اجرای پژوهش حاضر، بررسی و مقایسه همگرایی معادلات پیشگو در برآورد هزینه انرژی مصرفی با مدل مبنا در آزمون درمانده‌ساز نوارگردان بود. روش تحقیق: تعداد 50 نفر از مردان جوان فعال(با میانگین ± انحراف معیار سنی 069/2±04/21 سال، قد 48/4±78/176 سانتی‌متر، وزن 825/5±11/70 کیلوگرم) به عنوان نمونه انتخاب و آزمون‌های بیشینه درمانده‌ساز نوارگردان را اجرا کردند. تجزیه و تحلیل متغیرهای بیوانرژتیک در طول اجرای پروتکل‌های درمانده‌ساز با استفاده از دستگاه تجزیه و تحلیل گازهای تنفسی به فاصله زمانی ده ثانیه جمع آوری شد. برای سنجش همگرایی، مقادیر اکسیژن مصرفی برآورد شده با استفاده مدل مبنا (روش تجزیه و تحلیل گازهای تنفسی) ومعادلات پیشگوی ACSM، واندروالت، پاندولف، لیگر و اپستین مورد مقایسه قرارگرفتند. برای ارزیابی همگرایی از مدل گرافیکی بلاند – آلتمن و روش همگرایی همبستگی درونی (ICC) استفاده شد. نتایج: حاکی از آنبودکه معادله‌یدویدن لیگرهمگرایی بالایی با روش مبنا دارد (لیگر:96/1± ،95%=CI، 2/21- تا 4/میلی لیتر/ کیلوگرم/ دقیقه 2، 89/0=ICC)و معادلات راه رفتن و دویدن ACSM همگرایی متوسطی با روش مبنا دارند(راه رفتن: 96/1± ،95% =CI، 1/8- تا 7/4میلی لیتر/ کیلوگرم/ دقیقه،  4837/0=ICC؛ دویدن:96/1±، 95% =CI،  6/27- تا 3/3- میلی لیتر/ کیلوگرم/ دقیقه، 4535/0=ICC). نتیجه‌گیری: براساس نتایج می‌توان گفت که معادلة دویدن لیگر در بین معالادت ارائه شدهدر برآورد حجم اکسیژن مصرفی و به طور نسبی معادلات راه رفتن و دویدن ACSMدر مردان جوان ایرانی می‌تواند به جای روش مبنامورد استفاده قرار گیرد. 

کلیدواژه‌ها

عنوان مقاله [English]

Agreement among the energy expenditure prediction equations with the criterion model in the exhaustive treadmill test protocols

چکیده [English]



Purpose: The aim of this study was to survey the agreements between the energy expenditure prediction equations with
the criterion model in the exhaustive treadmill test protocols in active young men. Methods:Fifty active young men were
selected as subjects (Mean ± SD Age 21.04 ± 2.069 yrs., Height 176.78 ± 4.484 cm, Weight 70.11 ± 5.825kg) and
completed exhaustive treadmill test protocols. Bioenergetical variables during exhaustive protocols using respiratory gas
analysis were collected at an interval of ten seconds. To estimate the energy cost and bioenergetical variables,ACSMv,
Vander Walt, Pandolf, Léger and Epstein predictive equations for walking and running were considered. Bland-Altman
graphical model and Interclass Correlation Coefficient (ICC) statistical tests were used to evaluate the absolute agreement
of the methods. Results:The results suggest that the Leger equation for running have high agreement with the criterion
model (±1.96; CI = 95% -21.2 to 2.4 ml/kg/min; ICC= 0.89)And ACSM walking and running equations have middleagreement
with the criterion model(Walking: ±1.96 ; 95% CI = -8.1to +4.7ml/kg/min,ICC= 0.4837;Running: ±1.96 ; 95%
CI = -27.6 to -3.3 ml/kg/min, ICC: 0.4535). Conclusions: According to study results it could be concluded that the Leger
equations for running and relativelyACSM walking and running equations estimating of VO2 among Iranian active young
men can be used as an accurate alternative for the criterion method.

کلیدواژه‌ها [English]

  • Maximum exhaustive test
  • Bioenergetical variables
  • Prediction equations
  • Energy expenditure

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سابقه مقاله

  • تاریخ دریافت: 09 اسفند 1395
  • تاریخ بازنگری: 22 خرداد 1403
  • تاریخ پذیرش: 11 دی 1399
  • تاریخ اولین انتشار: 11 دی 1399
  • تاریخ انتشار: 01 آذر 1395

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