Laboratory Manual For Human Anatomy & Physiology
4th Edition
ISBN: 9781260159363
Author: Martin, Terry R., Prentice-craver, Cynthia
Publisher: McGraw-Hill Publishing Co.
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Textbook Question
Chapter 21, Problem 2.2.1A
Complete the following:
Compare the strength of the dominant forearm to that of the nondominant forearm.
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Describe each of the below muscle actions and list at least one muscle that creates the action.Lower Extremity Muscle Actions: · Knee flexion · Knee extension · Knee medial rotation · Knee lateral rotation · Dorsiflexion · Plantarflexion · Foot inversion · Foot eversion · Foot digits flexion · Foot digits extension· Hip flexion · Hip extension · Hip medial rotation · Hip lateral rotation · Hip abduction · Hip adduction
*PLEASE ANSWER ALL IF POSSIBLE.
Compare and contrast the following terms: Biceps and triceps
Look at the elbow joint x-ray. Why is 90° the optimal joint angle for
biceps activation? What would happen during flexion/extension?
Chapter 21 Solutions
Laboratory Manual For Human Anatomy & Physiology
Ch. 21 - What factors in addition to gender contribute to...Ch. 21 - Prob. 1.2.3ACh. 21 - What is meant by the term motor unit recruitment?Ch. 21 - Prob. 1.2.5ACh. 21 - Complete the following: Compare the strength of...Ch. 21 - Complete the following: Is there a difference in...Ch. 21 - Complete the following: Define muscle fatigue, and...Ch. 21 - Complete the following: Define dynamometry.
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- Describe the qualities of the muscle fiber arrangement and tendon attachments of biceps femoris. Discuss synergist(s) and antagonist(s) muscles and their attachment sites of biceps femoris. Describe when synergists and antagonists contract compared to the biceps femoris.arrow_forwardMaximal muscle force changes continuously throughout the elbow flexion according to the joint angle. True Falsearrow_forwardUpper Limb Muscle Actions: Review each muscle action. Then list the actions (movements) movements below and list all of the muscles that are used to create that movement: · Shoulder flexion · Shoulder extension · Shoulder horizontal abduction · Shoulder horizontal adduction · Shoulder abduction · Shoulder adduction · Shoulder medial rotation · Shoulder lateral rotation · Elbow flexion · Elbow extension · Forearm pronation · Forearm supination · Wrist extension · Wrist flexion · Wrist abduction · Wrist adduction · Hand digits 2-5 extension · Hand digits 2-5 flexion · Thumb extension · Thumb flexion · Hand digits oppositionarrow_forward
- List all six possible movements that can occur at the shoulder joint and name the prime mover(s) of each movement. Then name their antagonists.arrow_forwardIdentify the joint actions caused by the concentric contractions of the following muscles. Check all appropriate boxes.arrow_forwardThink of two functional activities that can improve the strength of flexor digitorum superficialis / flexor digitorum profundus. Provide a short description and justificationarrow_forward
- Look at the elbow joint x-ray. Why is 90° the optimal joint angle for biceps activation? What would happen during flexion and extension?arrow_forwardLook at the elbow joint x-ray. Why is 90° the optimal joint angle for biceps activation? What would happen during flexion/extension? Explain in detail !arrow_forwardDuring a Physical Education class, you ask your students to perform a standing vertical jump. Identify the type of muscle contraction involved in the jump and describe the movement patterns of the concentric and eccentric phases. Outline the agonists, antagonists and synergist muscles, which contribute to maximum jump height. Identify the major lower body joints and joint movements, which contribute to the concentric phase of the jump.arrow_forward
- Describe the following terms Muscle Insertion Agonist Antagonist Synergist Abductorarrow_forwardName and briefly describe the articulating bones and muscles that produce movement at the elbow joint.arrow_forwardThe following are types of movement: Explain each terminology and how does these movement works. Cite example for each movement. (Ex. for ADDUCTION- Bringing fingers together from a spread wide apart position) Flexion Extension Abduction Adduction Rotationarrow_forward
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