8. A 60 kg individual needs to work at a MET level of 8 to reach her target heart rate. If the treadmill speed is set at 3.5 mph, what grade is needed? If she exercises for 20 min. at this intensity, how many kcal will she expend?
8. A 60 kg individual needs to work at a MET level of 8 to reach her target heart rate. If the treadmill speed is set at 3.5 mph, what grade is needed? If she exercises for 20 min. at this intensity, how many kcal will she expend?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Please answer the question in the picture and provide all work needed to answer.
Transcribed Image Text:**Question 8: Exercise Intensity and Caloric Expenditure**
*Context:* This question provides a scenario involving a 60 kg individual aiming to reach a specific MET level during exercise.
**Problem Statement:**
A 60 kg individual needs to work at a MET level of 8 to reach her target heart rate. If the treadmill speed is set at 3.5 mph, what grade is needed? If she exercises for 20 minutes at this intensity, how many kcal will she expend?
**Explanation:**
- **MET Level:** MET (Metabolic Equivalent of Task) is a unit used to estimate the amount of oxygen consumption and energy expenditure for physical activities.
- **Treadmill Grade:** The incline percentage of the treadmill, which affects the intensity of the workout.
- **Caloric Expenditure:** The number of calories burned during the exercise session.
*Note:* This type of problem is often used to understand the relationship between exercise intensity, duration, and energy consumption. It also illustrates how variations in treadmill settings can achieve specific fitness goals.
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