Principles of Anatomy and Physiology
15th Edition
ISBN: 9781119329398
Author: Gerard J Tortora, Bryan Derrickson
Publisher: John Wiley & Sons Inc
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Chapter 10, Problem 19CP
Summary Introduction
To review:
The demonstration of isotonic contraction and the reason behind the physical discomfort one experience during this time.
Introduction:
Isotonic contraction is a type of contraction that causes the muscle to shorten or lengthen during exhibiting force for a movement of a body part. A continuous contraction force for a long time period may result in discomfort in the concerned body part and may even lead to muscle fatigue.
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Chapter 10 Solutions
Principles of Anatomy and Physiology
Ch. 10 - To determine:
l. What features distinguish the...Ch. 10 - List the general functions of muscular tissue.Ch. 10 - 3. Describe the four properties of muscular...Ch. 10 - What types of fascia cover skeletal muscles?Ch. 10 - Why is a rich blood supply important for muscle...Ch. 10 - How are the structures of thin and thick filaments...Ch. 10 - What roles do contractile, regulatory, and...Ch. 10 - Prob. 8CPCh. 10 - To determined
9. How does sareomere length...Ch. 10 - Prob. 10CP
Ch. 10 - Which ATP-producing reactions are aerobic and...Ch. 10 - To determine:
12. Which sources provide ATP during...Ch. 10 - Prob. 13CPCh. 10 - Why is the term recovery oxygen uptake more...Ch. 10 - Prob. 15CPCh. 10 - What is motor unit recruitment?Ch. 10 - Prob. 17CPCh. 10 - Prob. 18CPCh. 10 - Prob. 19CPCh. 10 - Prob. 20CPCh. 10 - Prob. 21CPCh. 10 - On a cellular level, what causes muscle...Ch. 10 - What are the similarities among and differences...Ch. 10 - 24. What are the differences between visceral and...Ch. 10 - How are skeletal and smooth muscle similar? How do...Ch. 10 - 26. Which type of muscular tissue has the highest...Ch. 10 - Q. Which structures develop from myotomes,...Ch. 10 - Prob. 28CPCh. 10 - 29. Why do you think a healthy 30-year-old can...Ch. 10 - l. Weightlifter Jamal has been practicing many...Ch. 10 - Prob. 2CTQCh. 10 - Polio is a disease caused by a virus that can...
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- Indicate which of the following are true. Chronically shortened muscles will lose sarcomeres in series in order to maintain ideal amounts of myofilament overlap. Contractile force is proportional to the length of a muscle. Muscle organ contraction is all or nothing. Muscle cells are surrounded by an endomysium. Actin is the thick filament and Z-lines are where the cross-bridges zig-zag to adjacent actin filaments. Muscles with fewer motor units are weaker, i.e., capable of less force. A nerve impulse, calcium, and ATP are necessary for muscle contraction. Tendons attach bones to bones and help to limit the range of motion at joints. Muscle tissue is very dynamic and will respond to chronic stress by becoming stronger (making more myofilaments), chronic contraction by becoming shorter (losing sarcomeres in series), and stretching by becoming longer (adding sarcomeres in series). Myofilaments are actually long strands of proteins.arrow_forwardYou are at the gym and doing strength training. You feel in good shape and should try to break personal records in squats. You place the bar on your back and begin to take in, that is, your motor neurons begin to send action potentials through all your motor units to the thigh muscles. What is the contraction called when you a) bend down and b) are in good shape and can generate more force than the bar weighs c) stay standing in one and the same position without being able to push yourself up in a standing position?arrow_forwardDistinguish between concentric, isometric and eccentric contractions, the physiology of the contraction, and what function it serves. Give examples of tasks that involve each type.arrow_forward
- The following is a list of conditions that are associated with the muscular system. Take some time and write notes about each of the conditions. You may make the notes taken from text books or other resources, or you may make the notes as a result of people you have cared for. If you are making notes about people you have cared for you must ensure that you adhere to the rules of confidentiality. 1. fibrosis 2. botulismarrow_forwardThe following is a list of conditions that are associated with the muscular system. Take some time and write notes about each of the conditions. You may make the notes taken from text books or other resources, or you may make the notes as a result of people you have cared for. If you are making notes about people you have cared for you must ensure that you adhere to the rules of confidentiality. 1. tetanus 2. rigor mortis 3. muscle crampsarrow_forwardA. During the knee bend, identify the thigh muscles that are performing the following:Concentric isotonic contraction:Eccentric isotonic contraction: B. As you return to an upright position, identify the thigh muscles that are performing the following.Concentric isotonic contraction:Eccentric isotonic contraction:arrow_forward
- Explain in detail: What does the ‘sliding filament model of muscle contraction’ discuss or explain? What are filaments composed of and how do contractions occur, commenting on calcium and ATP process.arrow_forwardThe change related to muscle mobility are the most obvious in older adult. There can be measurable differences in muscle strength, endurance, range of motion, coordination, elasticity, and flexibility of connective tissue. Regular exercise is necessary to prevent a decrease in muscle strength. Exercise helps to strengthen muscles and keeps joints, tendons, and ligaments more flexible, allowing for a more active lifestyle. Describe some activities you could recommend to an elderly patient to stay active to help them maintain muscle mass.arrow_forwardDefine delayed-onset muscle soreness (DOMS). Outline the factors that contribute to its development.arrow_forward
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