Question 1

The thicker the size of an axon, the more excitable it is.

Accepted Answer

A) True 
 B)False  False

Question 2

All of the following statements related to muscle length and tension are true except:

Accepted Answer

A)  The resting length of a muscle is a position of the muscle where there is no tension within the muscle. 
B)  At a muscle's resting length, a maximal number of actin and myosin cross-bridges are capable of forming. 
C)  Active tension is responsible for muscle tension during shortening. 
D)  Passive tension declines as the muscle shortens because there are fewer crossbridges available between actin and myosin fibers. 
A)  The resting length of a muscle is a position of the muscle where there is no tension within the muscle. 
B)  At a muscle's resting length, a maximal number of actin and myosin cross-bridges are capable of forming. 
C)  Active tension is responsible for muscle tension during shortening. 
D)  Passive tension declines as the muscle shortens because there are fewer crossbridges available between actin and myosin fibers. D

Question 3

In a rehabilitation setting, enhancing joint stability can be facilitated by performing exercise in a closed kinematic chain.

Accepted Answer

A) True 
 B)False  True

Question 4

The _____________ assist the prime movers to produce motion about a joint.

Accepted Answer

A)  agonists 
B)  synergists 
C)  antagonists 
D)  protagonists 
A)  agonists 
B)  synergists 
C)  antagonists 
D)  protagonists

Question 5

Collectively, the endomysium, perimysium, and epimysium form a muscle's ____________ elastic component.

Accepted Answer

A)  series 
B)  parallel 
C)  active 
D)  resisted 
A)  series 
B)  parallel 
C)  active 
D)  resisted

Question 6

Isokinetic devices provide ______________ resistance throughout the range of motion thereby promoting ______________ output of the exercising muscle group.

Accepted Answer

A)  increasing; maximal 
B)  decreasing; minimal 
C)  accommodating; maximal 
D)  accommodating; minimal 
A)  increasing; maximal 
B)  decreasing; minimal 
C)  accommodating; maximal 
D)  accommodating; minimal

Question 7

Isokinetic devices operate at a set speed.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following muscles when considered collectively are most representative of those with a high percentage of type IIb fibers?

Accepted Answer

A)  soleus, hamstrings, quadriceps 
B)  hamstrings, quadriceps, short cervical flexors 
C)  quadriceps, gastrocnemius, upper extremity flexors 
D)  gastrocnemius, upper extremity flexors, erector spinae group 
A)  soleus, hamstrings, quadriceps 
B)  hamstrings, quadriceps, short cervical flexors 
C)  quadriceps, gastrocnemius, upper extremity flexors 
D)  gastrocnemius, upper extremity flexors, erector spinae group

Question 9

Postural muscles have a high percentage of type IIb muscle fibers.

Accepted Answer

A) True 
 B)False

Question 10

Very rigid structures are more elastic and less viscous.

Accepted Answer

A) True 
 B)False

Question 11

A stress-strain curve takes into consideration time as an influencing factor.

Accepted Answer

A) True 
 B)False

Question 12

In an open kinematic chain, to optimally function distally, multijoint agonists rely on their antagonists to provide stabilization at proximal joints.

Accepted Answer

A) True 
 B)False

Question 13

Given the following arrangement, which muscle orientation would you expect to be able to produce the greatest amount of force? Muscle fibers arranged in ______________ that are architecturally classified as ___________ in shape.

Accepted Answer

A)  series; pennate 
B)  series; fusiform 
C)  parallel; pennate 
D)  parallel; fusiform 
A)  series; pennate 
B)  series; fusiform 
C)  parallel; pennate 
D)  parallel; fusiform

Question 14

For a given force, a greater number of motor units are recruited during an eccentric contraction when compared with a concentric contraction.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is associated with an eccentric contraction?

Accepted Answer

A)  Decreased width of the "A" band 
B)  The force generated by the muscle is less than the external load. 
C)  The force generated by the muscle is greater than the external load. 
D)  Positive work 
A)  Decreased width of the "A" band 
B)  The force generated by the muscle is less than the external load. 
C)  The force generated by the muscle is greater than the external load. 
D)  Positive work

Question 16

A muscle's action and its orientation related to gravity will determine whether a muscle contracts in a concentric or eccentric fashion.

Accepted Answer

A) True 
 B)False

Question 17

As it relates to connective tissue, all of the following are correct except:

Accepted Answer

A)  Stiffness of a tissue can be defined as the amount of force required to create a change in length or displacement. 
B)  The initial section of the stress-strain curve is referred to as the "toe region." 
C)  If a tissue is stretched into the plastic region, upon release of the force which is causing the deformation, the tissue will return to its original resting length. 
D)  In a resting state, connective tissue has a wavy or crimped appearance. 
A)  Stiffness of a tissue can be defined as the amount of force required to create a change in length or displacement. 
B)  The initial section of the stress-strain curve is referred to as the "toe region." 
C)  If a tissue is stretched into the plastic region, upon release of the force which is causing the deformation, the tissue will return to its original resting length. 
D)  In a resting state, connective tissue has a wavy or crimped appearance.

Question 18

As it relates to muscle characteristics, the term "stress" is synonymous with "force."

Accepted Answer

A) True 
 B)False

Question 19

For maximum tension and hence torque generation across a joint, some muscles are more reliant on muscle length, whereas other muscles are more dependent on the perpendicular distance from the tendon insertion to the axis of rotation.

Accepted Answer

A) True 
 B)False

Question 20

A shortening contraction of a muscle is synonymous with a(n) _____________ contraction.

Accepted Answer

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

The thicker the size of an axon, the more excitable it is.

All of the following statements related to muscle length and tension are true except:

In a rehabilitation setting, enhancing joint stability can be facilitated by performing exercise in a closed kinematic chain.

The _____________ assist the prime movers to produce motion about a joint.

Collectively, the endomysium, perimysium, and epimysium form a muscle's ____________ elastic component.

Isokinetic devices provide resistance throughout the range of motion thereby promoting output of the exercising muscle group.

Isokinetic devices operate at a set speed.

Which of the following muscles when considered collectively are most representative of those with a high percentage of type IIb fibers?

Postural muscles have a high percentage of type IIb muscle fibers.

Very rigid structures are more elastic and less viscous.

A stress-strain curve takes into consideration time as an influencing factor.

In an open kinematic chain, to optimally function distally, multijoint agonists rely on their antagonists to provide stabilization at proximal joints.

Given the following arrangement, which muscle orientation would you expect to be able to produce the greatest amount of force? Muscle fibers arranged in ____ that are architecturally classified as _ in shape.

For a given force, a greater number of motor units are recruited during an eccentric contraction when compared with a concentric contraction.

Which of the following is associated with an eccentric contraction?

A muscle's action and its orientation related to gravity will determine whether a muscle contracts in a concentric or eccentric fashion.

As it relates to connective tissue, all of the following are correct except:

As it relates to muscle characteristics, the term "stress" is synonymous with "force."

For maximum tension and hence torque generation across a joint, some muscles are more reliant on muscle length, whereas other muscles are more dependent on the perpendicular distance from the tendon insertion to the axis of rotation.

A shortening contraction of a muscle is synonymous with a(n) _____________ contraction.

Basic Concepts in Kinesiology: Kinematics

Mechanical Principles: Kinetics

Muscle Physiology and Motor Control

Shoulder Complex

Elbow and Forearm Complex

Wrist and Hand

Head, Neck and Trunk

Pelvis and Hip

Knee

Ankle and Foot

Posture and Gait in Walking and Running

Kinesiology Applications in Daily Functional Activities

Kinesiology Applications of Upper Extremity Adls

Kinesiology Applications in Sports and Recreation

Filters

Exam 4: Muscle Activity and Strength

The thicker the size of an axon, the more excitable it is.

All of the following statements related to muscle length and tension are true except:

In a rehabilitation setting, enhancing joint stability can be facilitated by performing exercise in a closed kinematic chain.

The _____________ assist the prime movers to produce motion about a joint.

Collectively, the endomysium, perimysium, and epimysium form a muscle's ____________ elastic component.

Isokinetic devices provide ______________ resistance throughout the range of motion thereby promoting ______________ output of the exercising muscle group.

Isokinetic devices operate at a set speed.

Which of the following muscles when considered collectively are most representative of those with a high percentage of type IIb fibers?

Postural muscles have a high percentage of type IIb muscle fibers.

Very rigid structures are more elastic and less viscous.

A stress-strain curve takes into consideration time as an influencing factor.

In an open kinematic chain, to optimally function distally, multijoint agonists rely on their antagonists to provide stabilization at proximal joints.

Given the following arrangement, which muscle orientation would you expect to be able to produce the greatest amount of force? Muscle fibers arranged in ______________ that are architecturally classified as ___________ in shape.

For a given force, a greater number of motor units are recruited during an eccentric contraction when compared with a concentric contraction.

Which of the following is associated with an eccentric contraction?

A muscle's action and its orientation related to gravity will determine whether a muscle contracts in a concentric or eccentric fashion.

As it relates to connective tissue, all of the following are correct except:

As it relates to muscle characteristics, the term "stress" is synonymous with "force."

For maximum tension and hence torque generation across a joint, some muscles are more reliant on muscle length, whereas other muscles are more dependent on the perpendicular distance from the tendon insertion to the axis of rotation.

A shortening contraction of a muscle is synonymous with a(n) _____________ contraction.

Basic Concepts in Kinesiology: Kinematics

Mechanical Principles: Kinetics

Muscle Physiology and Motor Control

Shoulder Complex

Elbow and Forearm Complex

Wrist and Hand

Head, Neck and Trunk

Pelvis and Hip

Knee

Ankle and Foot

Posture and Gait in Walking and Running

Kinesiology Applications in Daily Functional Activities

Kinesiology Applications of Upper Extremity Adls

Kinesiology Applications in Sports and Recreation

Filters

Isokinetic devices provide resistance throughout the range of motion thereby promoting output of the exercising muscle group.

Given the following arrangement, which muscle orientation would you expect to be able to produce the greatest amount of force? Muscle fibers arranged in ____ that are architecturally classified as _ in shape.