Question 1

What is another name for a fusiform muscle?

Accepted Answer

A) strap 
B) spindle 
C) rhomboidal 
D) triangular 
A) strap 
B) spindle 
C) rhomboidal 
D) triangular

Question 2

At the elbow joint the triceps brachii muscle is an example of what class of lever?

Accepted Answer

A) first 
B) first and second 
C) third 
D) second and third 
A) first 
B) first and second 
C) third 
D) second and third

Question 3

What are the three different length-tension relationship curves that are usually graphed?

Accepted Answer

A) shortened length,lengthened length,and total distance length 
B) active tension,passive tension,and total tension 
C) isometric,eccentric,and concentric 
D) mobilization,stabilization,and neutralizing 
A) shortened length,lengthened length,and total distance length 
B) active tension,passive tension,and total tension 
C) isometric,eccentric,and concentric 
D) mobilization,stabilization,and neutralizing

Question 4

Which of the following is not a subcategory of pennate muscles?

Accepted Answer

A) unipennate 
B) bipennate 
C) polypennate 
D) multipennate 
A) unipennate 
B) bipennate 
C) polypennate 
D) multipennate

Question 5

During contraction,the order in which the motor units are recruited is:

Accepted Answer

A) small,medium,large 
B) large,medium,small 
C) dependent on the size of the muscle 
D) without any particular order 
A) small,medium,large 
B) large,medium,small 
C) dependent on the size of the muscle 
D) without any particular order

Question 6

Which of the following characterizes second-class and third-class lever arms in the musculoskeletal system?

Accepted Answer

A) Second-class levers generate greater speed. 
B) Third-class levers generate greater speed. 
C) Third-class levers have greater mechanical advantage. 
D) Second-class levers generate lesser mechanical advantage. 
A) Second-class levers generate greater speed. 
B) Third-class levers generate greater speed. 
C) Third-class levers have greater mechanical advantage. 
D) Second-class levers generate lesser mechanical advantage.

Question 7

What is the optimal angle of pull of a muscle on its bony attachment relative to the length (longitudinal axis)of the bone?

Accepted Answer

A) parallel 
B) 45 degrees 
C) perpendicular 
D) 60 degrees 
A) parallel 
B) 45 degrees 
C) perpendicular 
D) 60 degrees

Question 8

Which of the following is used to determine the pulling strength of a pennate muscle on its attachment?

Accepted Answer

A) central tendon orientation 
B) central tendon angle 
C) pennation parameter 
D) pennation angle 
A) central tendon orientation 
B) central tendon angle 
C) pennation parameter 
D) pennation angle

Question 9

Which of the following characterizes longitudinal and pennate muscles?

Accepted Answer

A) Pennate muscles have longer fibers. 
B) Longitudinal muscles tend to have more fibers. 
C) The fibers of pennate muscles are oriented along the length of the muscle. 
D) Pennate muscles exhibit a greater strength over a shorter range of motion. 
A) Pennate muscles have longer fibers. 
B) Longitudinal muscles tend to have more fibers. 
C) The fibers of pennate muscles are oriented along the length of the muscle. 
D) Pennate muscles exhibit a greater strength over a shorter range of motion.

Question 10

How many types of active insufficiency exist?

Accepted Answer

A) one 
B) two 
C) three 
D) four 
A) one 
B) two 
C) three 
D) four

Question 11

Which of the following characterizes the size of motor units?

Accepted Answer

A) Smaller motor units contract primarily for joint mobility. 
B) Larger motor units contract primarily for joint stabilization. 
C) No correlation exists between motor unit size and mobility versus stabilization function. 
D) Smaller motor units contract for joint stability. 
A) Smaller motor units contract primarily for joint mobility. 
B) Larger motor units contract primarily for joint stabilization. 
C) No correlation exists between motor unit size and mobility versus stabilization function. 
D) Smaller motor units contract for joint stability.

Question 12

The definition of a lever arm is the distance from the:

Accepted Answer

A) axis of motion to the distal end of the lever 
B) axis of motion to the point of application of force on the lever 
C) point of application of force on the lever to the distal end of the lever 
D) distal end to the proximal end of the lever 
A) axis of motion to the distal end of the lever 
B) axis of motion to the point of application of force on the lever 
C) point of application of force on the lever to the distal end of the lever 
D) distal end to the proximal end of the lever

Question 13

Which of the following characterizes leverage force for the different classes of levers?

Accepted Answer

A) Second-class levers have greater leverage than third-class levers. 
B) Third-class levers have greater leverage than second-class levers. 
C) Second- and third-class levers have the same leverage. 
D) Sometimes second- and sometimes third-class levers have greater leverage. 
A) Second-class levers have greater leverage than third-class levers. 
B) Third-class levers have greater leverage than second-class levers. 
C) Second- and third-class levers have the same leverage. 
D) Sometimes second- and sometimes third-class levers have greater leverage.

Question 14

Muscular fascia creates what type of muscular tension?

Accepted Answer

A) active only 
B) passive only 
C) active and passive 
D) neither active nor passive 
A) active only 
B) passive only 
C) active and passive 
D) neither active nor passive

Question 15

What type of bending posture is the healthiest?

Accepted Answer

A) stoop bend 
B) squat bend with the trunk inclined forward 
C) squat bend with the trunk vertical 
D) stoop bend with an aligned spine 
A) stoop bend 
B) squat bend with the trunk inclined forward 
C) squat bend with the trunk vertical 
D) stoop bend with an aligned spine

Question 16

A wheelbarrow is an example of what class of lever?

Accepted Answer

A) first and second 
B) second 
C) third 
D) second and third 
A) first and second 
B) second 
C) third 
D) second and third

Question 17

The soleus muscle is an example of what class of lever?

Accepted Answer

A) first and second 
B) second 
C) third 
D) second and third 
A) first and second 
B) second 
C) third 
D) second and third

Question 18

What muscle architecture has its fibers arranged at an oblique angle to a central tendon?

Accepted Answer

A) strap 
B) rhomboidal 
C) triangular 
D) pennate 
A) strap 
B) rhomboidal 
C) triangular 
D) pennate

Question 19

The brachialis muscle is an example of what class of lever?

Accepted Answer

A) first 
B) first and second 
C) third 
D) second and third 
A) first 
B) first and second 
C) third 
D) second and third

Question 20

What term describes the fact that a multijoint muscle that shortens across one joint becomes weaker at its other joint or joints?

Accepted Answer

A) shortened active insufficiency 
B) lengthened active insufficiency 
C) active tension 
D) passive tension 
A) shortened active insufficiency 
B) lengthened active insufficiency 
C) active tension 
D) passive tension

What is another name for a fusiform muscle?

At the elbow joint the triceps brachii muscle is an example of what class of lever?

What are the three different length-tension relationship curves that are usually graphed?

Which of the following is not a subcategory of pennate muscles?

During contraction,the order in which the motor units are recruited is:

Which of the following characterizes second-class and third-class lever arms in the musculoskeletal system?

What is the optimal angle of pull of a muscle on its bony attachment relative to the length (longitudinal axis)of the bone?

Which of the following is used to determine the pulling strength of a pennate muscle on its attachment?

Which of the following characterizes longitudinal and pennate muscles?

How many types of active insufficiency exist?

Which of the following characterizes the size of motor units?

The definition of a lever arm is the distance from the:

Which of the following characterizes leverage force for the different classes of levers?

Muscular fascia creates what type of muscular tension?

What type of bending posture is the healthiest?

A wheelbarrow is an example of what class of lever?

The soleus muscle is an example of what class of lever?

What muscle architecture has its fibers arranged at an oblique angle to a central tendon?

The brachialis muscle is an example of what class of lever?

What term describes the fact that a multijoint muscle that shortens across one joint becomes weaker at its other joint or joints?

Parts of the Human Body

Mapping the Human Body

Skeletal Tissues

Bones of the Skeleton

Joint Action Terminology

Classification of Joints

Joints of the Axial Body

Joints of the Lower Extremity

Joints of the Upper Extremity

Anatomy and Physiology of Muscle Tissue

How Muscles Function: the Big Picture

Types of Muscle Contractions

Roles of Muscles

Atlas of Skeletal Muscles of the Human Body

Types of Joint Motion and Musculoskeletal Assessment

The Neuromuscular System

Posture and the Gait Cycle

Stretching

Strengthening

Filters

Exam 14: Determining the Force of a Muscle Contraction

What is another name for a fusiform muscle?

At the elbow joint the triceps brachii muscle is an example of what class of lever?

What are the three different length-tension relationship curves that are usually graphed?

Which of the following is not a subcategory of pennate muscles?

During contraction,the order in which the motor units are recruited is:

Which of the following characterizes second-class and third-class lever arms in the musculoskeletal system?

What is the optimal angle of pull of a muscle on its bony attachment relative to the length (longitudinal axis)of the bone?

Which of the following is used to determine the pulling strength of a pennate muscle on its attachment?

Which of the following characterizes longitudinal and pennate muscles?

How many types of active insufficiency exist?

Which of the following characterizes the size of motor units?

The definition of a lever arm is the distance from the:

Which of the following characterizes leverage force for the different classes of levers?

Muscular fascia creates what type of muscular tension?

What type of bending posture is the healthiest?

A wheelbarrow is an example of what class of lever?

The soleus muscle is an example of what class of lever?

What muscle architecture has its fibers arranged at an oblique angle to a central tendon?

The brachialis muscle is an example of what class of lever?

What term describes the fact that a multijoint muscle that shortens across one joint becomes weaker at its other joint or joints?

Parts of the Human Body

Mapping the Human Body

Skeletal Tissues

Bones of the Skeleton

Joint Action Terminology

Classification of Joints

Joints of the Axial Body

Joints of the Lower Extremity

Joints of the Upper Extremity

Anatomy and Physiology of Muscle Tissue

How Muscles Function: the Big Picture

Types of Muscle Contractions

Roles of Muscles

Atlas of Skeletal Muscles of the Human Body

Types of Joint Motion and Musculoskeletal Assessment

The Neuromuscular System

Posture and the Gait Cycle

Stretching

Strengthening

Filters