Measuring Energy Expenditure of the Body - Direct and Indirect Calorimetry and Oxygen Consumption

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This video shows Dr. Evan Matthews explaining the basics of measuring energy expenditure of the body. Both direct and indirect calorimetry are discussed. Direct calorimetry is how oxygen consumption (VO2) is measured. A brief discussion of calories and the use of a bomb calorimeter to assess calories in food is also given. This video is part of a series of videos that will cover exercise metabolism. The playlist to that series is listed below.

Exercise Metabolism Playlist

Exercise Physiology Teaching Current Edition Playlist

Learn the basics of bioenergetics by watching my Bioenergetics Playlist

Videos in the Exercise Metabolism Playlist to check out:

Oxygen Deficit and Excess Post Exercise Oxygen Consumption EPOC - VO2 Kinetics

Exercise Duration and the Primary Energy Pathway - Exercise Metabolic Transitions

Exercise Intensity and Fuel Selection - Carbohydrates vs Fats

Aerobic Capacity (VO2max) and Anaerobic Thresholds

Lactate Removal and Use - Delayed Onset of Muscle Soreness

Measuring Energy Expenditure of the Body - Direct and Indirect Calorimetry and Oxygen Consumption

Making Sense of Oxygen Consumption Terminology

Respiratory Exchange Ratio (RER) Explained

VO2max Testing using a VMax Encore Metabolic Cart

Relative to Absolute VO2 and Calories Calculations

Exercise and Fitness Calculations Playlist

Link to Dr. Evan Matthews website.
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Nice, understandable and informative video . Thanks for this 😊😊

ishikabudhrani
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Thanks for the video. May I ask how to calculate resting energy expenditure based on V'O2 and V'CO2 in indirect calorimetry?

shu-chunhuang
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can you use the metabolic cart for lets' say 5 minutes? what is really an ideal time to measure energy expenditure when you measure activities like walking or jogging?

brazelabs
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Well done video. Thks for sharing. But isn't there a difference in oxygene available as we go up higher in altitude ?

carlinesimeon
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How you do the background presentetion video format?

WalterLife
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For some reason the automatic captions think you speak in Vietnamese !?

alexisfairo
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Can you please help me with this question

The gross energy intake of Vicky is 4, 000kj, the energy content of her faeces and urine are 600kj and 259kj respectively. if her gaseous energy lost is 220kj. calculate her digestive energy intake (DE) and metabolizes energy intake (ME)

FOODendHEALTH
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what patients are eligible to use indirect calorimetry?

jameszcurtis
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Sir please make a video on doubled lable water 🙏

rohitpandit
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I really appreciate that thank you so much

MohammedAyaanQureshi