Exercise Physiology: Theory and Application to Fitness and Performance
9th Edition
ISBN: 9780073523538
Author: Scott K Powers, Edward T Howley
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
thumb_up100%
Chapter 1, Problem 5SQ
Compute the estimated energy expenditure (ml · kg−1 · min−1) during horizontal treadmill walking for the following examples:
- a. Treadmill speed = 50 m · min−1
Subject’s weight = 62 kg
- b. Treadmill speed = 100 m · min−1
Subject’s weight = 75 kg
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
The following graph is simulated (but realistic) data from a VO₂max trial of a human athlete running (no
gait changes). Estimate and label the following variables:
VO2 (ml/kg/min)
1. VO₂max
2. Incremental cost of locomotion
3. Maximum aerobic speed
4. RMR + postural costs
70
60
50
40
30
20
10
0
2 3
4
5 6
7
8 9 10 11 12 13
MPH
Describe the lactate threshold and the economy of effort. How are they each measured? What is each relationship to sport performance?
Calculate the estimated O2 cost of horizontal treadmill running (ml . kg -1 . min -1 ) for a 70-kg subject at 150,200, and 235 m . min -1 .
Chapter 1 Solutions
Exercise Physiology: Theory and Application to Fitness and Performance
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- What are the differences in parameters for aerobic exercise versus anaerobic exercise? (use the FITT principle)arrow_forwardA man runs up a flight of 50 steps in 15 seconds. Calculate mass of man if the power output of his leg muscles 500 W and the vertical height of * ?each step is 0.2 m 85 O 65 O None O 75 Oarrow_forwardIsometric exercise is best described as applying a force O a) with movement through a full and complete range of motion O b) while a muscle is lengthening and returning to a resting position c) without any change in length of the muscle O d) at a constant speedarrow_forward
- give am example of an exercise program for aerobic training with no more than 6-7 exercises (must include frequency, intensity, type and time)arrow_forwardExplain why maximal aerobic power decreases at altitude and what effect this has on performance in long- distance races.arrow_forwardSam walks 2km in 30 minutes. How much time will he take to cover 400meters ? Report your answer in m/s.arrow_forward
- ney: Load (L) = 5 kgs = Effort E = Fulcrum Weight of forearm = 1.8 kgs L = Load Biceps brachii muscle Distance of load from elbow joint = 35 cm %3D Effort (E) = contraction of biceps brachii Distance of center of mass of forearm from elbow = 17 cm Distance of tendon from elbow = 4 cm A) Draw the free-body diagram to represent the forces and moments Load (L) = weight of object plus forearm B) Write the torque equation for static equilibrium Fulcrum (F) = elbow jointarrow_forwardExplain why distance running performance decreases at altitude.arrow_forwardA) Describe the difference between strength and power during a squat. Provide a quantitative example that illustrates the difference. B) During a squat, the weight you have on your shoulders has a certain amount of gravitational potential energy. As you squat down and come to a stop at the bottom of the squat, some of that energy is lost. Where does it go?arrow_forward
- Describe a simple less than 5-minute Feldenkrais exercise with easy-to-follow steps that can be demonstrated to a Pilates class.arrow_forwardThese figures show that: S Vor (1-min¹) 30 A 2.5 20 1.5 1.0 0.5 (50) 10 Concentric Eccentric Exercise rate (100) 20 (150) Integrated EMG (counts min) B 600 400 200 (50) 30 10 Mean torque on pedals (Nm) (100) Concentric 20 Exercise rate (200) (150) Eccentric 30 O concentric contractions require more oxygen and more EMG than eccentric contractions O concentric contractions are easier to perform than eccentric contractions O eccentric contractions place a greater demand on the cardiovascular and nervous systems compared to concentric contractions O eccentric contractions use less oxygen but more EMG than concentric contractionsarrow_forwardWhat intensity level is planking exercise?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Human Physiology: From Cells to Systems (MindTap ...BiologyISBN:9781285866932Author:Lauralee SherwoodPublisher:Cengage Learning
Human Physiology: From Cells to Systems (MindTap ...
Biology
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Cengage Learning
What is Homeostasis? | Physiology | Biology | FuseSchool; Author: FuseSchool - Global Education;https://www.youtube.com/watch?v=quQr6X1Q58I;License: CC-BY