Question 1

Muscle hypertrophy in humans is primarily due to what?

Accepted Answer

A)  increase in number of muscle fibers 
B)  increase in size of muscle fibers 
C)  both A and B 
D)  none of the above 
A)  increase in number of muscle fibers 
B)  increase in size of muscle fibers 
C)  both A and B 
D)  none of the above B

Question 2

During the execution of a pull-up when the chin is over the bar, which force exerted by the biceps brachii is greatest at the elbow?

Accepted Answer

A)  the rotary force 
B)  the stabilizing force 
C)  the dislocating force 
D)  the "pinching" force 
A)  the rotary force 
B)  the stabilizing force 
C)  the dislocating force 
D)  the "pinching" force C

Question 3

A pattern of eccentric contraction followed immediately by concentric contraction is called ____________________ cycle.

Accepted Answer

stretch-shortening

Question 4

Which of the following types of muscle tension is commonly used as a braking mechanism to slow limb movement?

Accepted Answer

A)  eccentric 
B)  isotonic 
C)  concentric 
D)  isometric 
A)  eccentric 
B)  isotonic 
C)  concentric 
D)  isometric

Question 5

A single muscle cell is called what?

Accepted Answer

A)  fiber 
B)  neuron 
C)  unit 
D)  none of the above 
A)  fiber 
B)  neuron 
C)  unit 
D)  none of the above

Question 6

Although muscle fibers are typically categorized by three types, there is actually a continuum of fiber characteristics.

Accepted Answer

A) True 
 B)False

Question 7

Where is the series elastic component (SEC) of a muscle found?

Accepted Answer

A)  tendons 
B)  ligaments 
C)  muscle membrane 
D)  all of the above 
A)  tendons 
B)  ligaments 
C)  muscle membrane 
D)  all of the above

Question 8

Which of the following is/are characteristic(s) of muscle fatigue?

Accepted Answer

A)  reduction in muscle force 
B)  reduction in shortening velocity 
C)  prolonged relaxation of motor units between recruitment 
D)  both A and B 
E)  all of the above 
A)  reduction in muscle force 
B)  reduction in shortening velocity 
C)  prolonged relaxation of motor units between recruitment 
D)  both A and B 
E)  all of the above

Question 9

In human skeletal muscle, force generation capability is highest in which of the following conditions?

Accepted Answer

A)  muscle is at resting length 
B)  muscle is slightly shortened 
C)  muscle is slightly lengthened 
D)  muscle length is irrelevant to force production 
A)  muscle is at resting length 
B)  muscle is slightly shortened 
C)  muscle is slightly lengthened 
D)  muscle length is irrelevant to force production

Question 10

The elasticity of human skeletal muscle tissue is believed to be due primarily to which of the following?

Accepted Answer

A)  the parallel elastic component 
B)  the series elastic component 
C)  the continuous elastic component 
D)  the active elastic component 
A)  the parallel elastic component 
B)  the series elastic component 
C)  the continuous elastic component 
D)  the active elastic component

Question 11

The _________________ fiber arrangement is a pattern of fibers within a muscle with short fibers attaching to one or more tendons.

Accepted Answer

The answer of The _________________ fiber arrangement is a pattern...

Question 12

Which of the following time periods is termed electromechanical delay?

Accepted Answer

A)  the time required for conduction of the nerve impulse to the neuromuscular junction 
B)  the time required for the nerve impulse to cross the neuromuscular junction 
C)  the time required for the muscle to initiate the development of tension after receipt of the nerve impulse 
D)  the time required for a muscle to reach peak tension after the development of tension is initiated 
A)  the time required for conduction of the nerve impulse to the neuromuscular junction 
B)  the time required for the nerve impulse to cross the neuromuscular junction 
C)  the time required for the muscle to initiate the development of tension after receipt of the nerve impulse 
D)  the time required for a muscle to reach peak tension after the development of tension is initiated

Question 13

The opposite of muscular endurance is what?

Accepted Answer

A)  muscular strength 
B)  muscular fatiguability 
C)  muscular power 
D)  muscular flexibility 
A)  muscular strength 
B)  muscular fatiguability 
C)  muscular power 
D)  muscular flexibility

Question 14

Explain the four roles assumed by muscles.

Accepted Answer

Muscles play four main roles in the body

Question 15

A __________________ muscle fiber reaches peak tension relatively slowly.

Accepted Answer

The answer of A __________________ muscle fiber reaches peak tension...

Question 16

Which of the following types of strength training is particularly associated with subsequent muscular soreness?

Accepted Answer

A)  concentric 
B)  eccentric 
C)  isometric 
D)  all of the above 
A)  concentric 
B)  eccentric 
C)  isometric 
D)  all of the above

Question 17

What type of muscle contraction is employed by the elbow flexors when slowly lowering your backpack to your desk?

Accepted Answer

A)  concentric 
B)  eccentric 
C)  isometric 
D)  isokinetic 
A)  concentric 
B)  eccentric 
C)  isometric 
D)  isokinetic

Question 18

Which of the following is true regarding the parallel elastic component (PEC) of muscular elasticity?

Accepted Answer

A)  This component is provided by the muscle membranes. 
B)  This component provides resistance when a muscle is passively stretched. 
C)  This is the component primarily responsible for the elasticity of muscle. 
D)  both A and B 
E)  all of the above 
A)  This component is provided by the muscle membranes. 
B)  This component provides resistance when a muscle is passively stretched. 
C)  This is the component primarily responsible for the elasticity of muscle. 
D)  both A and B 
E)  all of the above

Question 19

Which type of muscle could serve as an antagonist of a flexor?

Accepted Answer

A)  abductor 
B)  adductor 
C)  extensor 
D)  rotator 
A)  abductor 
B)  adductor 
C)  extensor 
D)  rotator

Question 20

The component force which is parallel to the moving bone and acts to pull the bones together at the joint is called what?

Accepted Answer

A)  curvilinear force 
B)  stabilizing force 
C)  rotary force 
D)  dislocating force 
A)  curvilinear force 
B)  stabilizing force 
C)  rotary force 
D)  dislocating force

Muscle hypertrophy in humans is primarily due to what?

During the execution of a pull-up when the chin is over the bar, which force exerted by the biceps brachii is greatest at the elbow?

A pattern of eccentric contraction followed immediately by concentric contraction is called ____________________ cycle.

Which of the following types of muscle tension is commonly used as a braking mechanism to slow limb movement?

A single muscle cell is called what?

Although muscle fibers are typically categorized by three types, there is actually a continuum of fiber characteristics.

Where is the series elastic component (SEC) of a muscle found?

Which of the following is/are characteristic(s) of muscle fatigue?

In human skeletal muscle, force generation capability is highest in which of the following conditions?

The elasticity of human skeletal muscle tissue is believed to be due primarily to which of the following?

The _________________ fiber arrangement is a pattern of fibers within a muscle with short fibers attaching to one or more tendons.

Which of the following time periods is termed electromechanical delay?

The opposite of muscular endurance is what?

Explain the four roles assumed by muscles.

A __________________ muscle fiber reaches peak tension relatively slowly.

Which of the following types of strength training is particularly associated with subsequent muscular soreness?

What type of muscle contraction is employed by the elbow flexors when slowly lowering your backpack to your desk?

Which of the following is true regarding the parallel elastic component (PEC) of muscular elasticity?

Which type of muscle could serve as an antagonist of a flexor?

The component force which is parallel to the moving bone and acts to pull the bones together at the joint is called what?

What Is Biomechanics

Kinematic Concepts for Analyzing Human Motion

Kinetic Concepts for Analyzing Human Motion

The Biomechanics of Human Bone Growth and Development

The Biomechanics of Human Skeletal Articulations

The Biomechanics of the Human Upper Extremity

The Biomechanics of the Human Lower Extremity

The Biomechanics of the Human Spine

Linear Kinematics of Human Movement

Angular Kinematics of Human Movement

Linear Kinetics of Human Movement

Equilibrium and Human Movement

Angular Kinetics of Human Movement

Human Movement in a Fluid Medium

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Exam 6: The Biomechanics of Human Skeletal Muscle

Muscle hypertrophy in humans is primarily due to what?

During the execution of a pull-up when the chin is over the bar, which force exerted by the biceps brachii is greatest at the elbow?

A pattern of eccentric contraction followed immediately by concentric contraction is called ____________________ cycle.

Which of the following types of muscle tension is commonly used as a braking mechanism to slow limb movement?

A single muscle cell is called what?

Although muscle fibers are typically categorized by three types, there is actually a continuum of fiber characteristics.

Where is the series elastic component (SEC) of a muscle found?

Which of the following is/are characteristic(s) of muscle fatigue?

In human skeletal muscle, force generation capability is highest in which of the following conditions?

The elasticity of human skeletal muscle tissue is believed to be due primarily to which of the following?

The _________________ fiber arrangement is a pattern of fibers within a muscle with short fibers attaching to one or more tendons.

Which of the following time periods is termed electromechanical delay?

The opposite of muscular endurance is what?

Explain the four roles assumed by muscles.

A __________________ muscle fiber reaches peak tension relatively slowly.

Which of the following types of strength training is particularly associated with subsequent muscular soreness?

What type of muscle contraction is employed by the elbow flexors when slowly lowering your backpack to your desk?

Which of the following is true regarding the parallel elastic component (PEC) of muscular elasticity?

Which type of muscle could serve as an antagonist of a flexor?

The component force which is parallel to the moving bone and acts to pull the bones together at the joint is called what?

What Is Biomechanics

Kinematic Concepts for Analyzing Human Motion

Kinetic Concepts for Analyzing Human Motion

The Biomechanics of Human Bone Growth and Development

The Biomechanics of Human Skeletal Articulations

The Biomechanics of the Human Upper Extremity

The Biomechanics of the Human Lower Extremity

The Biomechanics of the Human Spine

Linear Kinematics of Human Movement

Angular Kinematics of Human Movement

Linear Kinetics of Human Movement

Equilibrium and Human Movement

Angular Kinetics of Human Movement

Human Movement in a Fluid Medium

Filters