Question 1

-What is the stimulus that activates a Golgi tendon organ, and what is the result of the activation?

Accepted Answer

A) Tension produced by active contraction or excessive passive stretch; inhibits contracting muscle 
B) Changes in muscle length and speed of lengthening; activates muscle being lengthened 
C) Tension produced by active contraction or excessive passive stretch; activates contracting muscle 
D) Changes in muscle length and speed of lengthening; inhibits muscle being lengthened 
A) Tension produced by active contraction or excessive passive stretch; inhibits contracting muscle 
B) Changes in muscle length and speed of lengthening; activates muscle being lengthened 
C) Tension produced by active contraction or excessive passive stretch; activates contracting muscle 
D) Changes in muscle length and speed of lengthening; inhibits muscle being lengthened A

Question 2

When passively stretching a patient's muscle, what is MOST LIKELY to happen once the muscle reaches its critical length if the stretch is slowly continued?

Accepted Answer

A) No rise in muscle tension 
B) Sharp rise in passive tension in the muscle 
C) Immediate rupture 
D) Gradual rise in passive tension in the muscle 
A) No rise in muscle tension 
B) Sharp rise in passive tension in the muscle 
C) Immediate rupture 
D) Gradual rise in passive tension in the muscle B

Question 3

How does the speed of contraction affect the muscle's ability to generate force during a concentric contraction?

Accepted Answer

A) As speed decreases, ability decreases 
B) As speed increases, ability decreases 
C) Speed has no influence on ability 
D) As speed increases, ability increases 
A) As speed decreases, ability decreases 
B) As speed increases, ability decreases 
C) Speed has no influence on ability 
D) As speed increases, ability increases B

Question 4

What muscle action term describes the muscle or muscle group that can oppose the action of the agonist?

Accepted Answer

A) Stabilizer 
B) Antagonist 
C) Synergist 
D) Agonist 
A) Stabilizer 
B) Antagonist 
C) Synergist 
D) Agonist

Question 5

-What type of muscle contraction is being performed by the biceps in the image?

Accepted Answer

A) Concentric 
B) Isometric 
C) Eccentric 
D) Isokinetic 
A) Concentric 
B) Isometric 
C) Eccentric 
D) Isokinetic

Question 6

-What is the stimulus that activates a muscle spindle, and what is the result of the activation?

Accepted Answer

A) Tension produced by active contraction or excessive passive stretch; inhibits contracting muscle 
B) Changes in muscle length and speed of lengthening; activates muscle being lengthened 
C) Tension produced by active contraction or excessive passive stretch; activates contracting muscle 
D) Changes in muscle length and speed of lengthening; inhibits muscle being lengthened 
A) Tension produced by active contraction or excessive passive stretch; inhibits contracting muscle 
B) Changes in muscle length and speed of lengthening; activates muscle being lengthened 
C) Tension produced by active contraction or excessive passive stretch; activates contracting muscle 
D) Changes in muscle length and speed of lengthening; inhibits muscle being lengthened

Question 7

Which muscle action term BEST describes the biceps when activated to perform elbow flexion?

Accepted Answer

A) Stabilizer 
B) Antagonist 
C) Synergist 
D) Agonist 
A) Stabilizer 
B) Antagonist 
C) Synergist 
D) Agonist

Question 8

-The hand has a decreased ability to produce a powerful grip in the position as shown in the image.Why is this ability decreased?

Accepted Answer

A) Passive insufficiency of finger flexors 
B) Passive insufficiency of finger extensors 
C) Active insufficiency of finger flexors 
D) Active insufficiency of finger extensors 
A) Passive insufficiency of finger flexors 
B) Passive insufficiency of finger extensors 
C) Active insufficiency of finger flexors 
D) Active insufficiency of finger extensors

Question 9

Which of the following muscle fiber arrangements tends to produce a greater range of motion compared with other fiber arrangements?

Accepted Answer

A) Fusiform 
B) Strap 
C) Circular 
D) Convergent 
A) Fusiform 
B) Strap 
C) Circular 
D) Convergent

Question 10

Which of the following characteristics BEST describes type I muscle fibers?

Accepted Answer

A) Fast contraction speed, low resistance to fatigue, anaerobic energy system 
B) Intermediate contraction speed, intermediate fiber diameter, aerobic energy system 
C) Alternating contraction speeds, small muscle diameter, anaerobic energy system 
D) Slow contraction speed, high myoglobin content, aerobic energy system 
A) Fast contraction speed, low resistance to fatigue, anaerobic energy system 
B) Intermediate contraction speed, intermediate fiber diameter, aerobic energy system 
C) Alternating contraction speeds, small muscle diameter, anaerobic energy system 
D) Slow contraction speed, high myoglobin content, aerobic energy system

Question 11

What muscle action term describes the contraction of both the biceps and the triceps at the same time resulting in no movement at the elbow?

Accepted Answer

A) Stabilizer 
B) Antagonist 
C) Synergist 
D) Agonist 
A) Stabilizer 
B) Antagonist 
C) Synergist 
D) Agonist

Question 12

-What is preventing further stretch of the hamstrings as shown in the image?

Accepted Answer

A) Passive insufficiency of the quadriceps muscles 
B) Passive insufficiency of the hamstring muscles 
C) Active insufficiency of quadriceps muscles 
D) Active insufficiency of hamstring muscles 
A) Passive insufficiency of the quadriceps muscles 
B) Passive insufficiency of the hamstring muscles 
C) Active insufficiency of quadriceps muscles 
D) Active insufficiency of hamstring muscles

Question 13

What type of muscle contraction is being performed by the biceps in the image?

Accepted Answer

A) Concentric 
B) Isometric 
C) Eccentric 
D) Isokinetic 
A) Concentric 
B) Isometric 
C) Eccentric 
D) Isokinetic

Question 14

What risk is associated with adverse changes in skeletal muscle structures in elderly adults?

Accepted Answer

A) Increased risk of falls 
B) Increased risk of heart attack 
C) Increased risk of inability to sleep 
D) Increased risk of decline in cognitive function 
A) Increased risk of falls 
B) Increased risk of heart attack 
C) Increased risk of inability to sleep 
D) Increased risk of decline in cognitive function

Question 15

Which statement is MOST correct concerning the connective tissue system associated with muscles in the human body?

Accepted Answer

A) Prevents transmission of forces to muscle tendon 
B) Is not involved with tension during eccentric muscle contractions 
C) Provides structure, conduit for blood vessels and nerves 
D) Isolates each muscle from the other so that there is no interconnection throughout body 
A) Prevents transmission of forces to muscle tendon 
B) Is not involved with tension during eccentric muscle contractions 
C) Provides structure, conduit for blood vessels and nerves 
D) Isolates each muscle from the other so that there is no interconnection throughout body

Question 16

Which statement BEST describes the activity of the protein cross-bridges during an eccentric muscle contraction?

Accepted Answer

A) Cross-bridge tension is less than external forces. 
B) Actin and myosin slide and become closer to each other. 
C) Cross-bridge tension equals external forces. 
D) Actin and myosin become farther apart. 
A) Cross-bridge tension is less than external forces. 
B) Actin and myosin slide and become closer to each other. 
C) Cross-bridge tension equals external forces. 
D) Actin and myosin become farther apart.

Question 17

Which of the following functional activities is a reversal of action of the quadriceps muscles?

Accepted Answer

A) Raising up on toes in standing 
B) Standing on only one leg 
C) Kicking a ball 
D) Moving from a sitting to a standing position 
A) Raising up on toes in standing 
B) Standing on only one leg 
C) Kicking a ball 
D) Moving from a sitting to a standing position

Question 18

What length of a muscle allows it to produce its greatest force?

Accepted Answer

A) Greatest number of actin-myosin cross-bridges 
B) Shortest length of sarcomere 
C) Fewest number of actin-myosin cross-bridges 
D) Greatest length of sarcomere 
A) Greatest number of actin-myosin cross-bridges 
B) Shortest length of sarcomere 
C) Fewest number of actin-myosin cross-bridges 
D) Greatest length of sarcomere

Question 19

Which of the following characteristics describes large motor units?

Accepted Answer

A) Recruited first in most activities 
B) Primarily type I fibers 
C) Recruited in forceful activities 
D) Has fewer fibers 
A) Recruited first in most activities 
B) Primarily type I fibers 
C) Recruited in forceful activities 
D) Has fewer fibers

Question 20

Which statement BEST describes the activity of the protein cross-bridges during an isometric muscle contraction?

Accepted Answer

A) Cross-bridge tension is greater than external forces. 
B) Actin and myosin slide and become closer to each other. 
C) Cross-bridge tension equals external forces. 
D) Actin and myosin become farther apart. 
A) Cross-bridge tension is greater than external forces. 
B) Actin and myosin slide and become closer to each other. 
C) Cross-bridge tension equals external forces. 
D) Actin and myosin become farther apart.

-What is the stimulus that activates a Golgi tendon organ, and what is the result of the activation?

When passively stretching a patient's muscle, what is MOST LIKELY to happen once the muscle reaches its critical length if the stretch is slowly continued?

How does the speed of contraction affect the muscle's ability to generate force during a concentric contraction?

What muscle action term describes the muscle or muscle group that can oppose the action of the agonist?

-What type of muscle contraction is being performed by the biceps in the image?

-What is the stimulus that activates a muscle spindle, and what is the result of the activation?

Which muscle action term BEST describes the biceps when activated to perform elbow flexion?

-The hand has a decreased ability to produce a powerful grip in the position as shown in the image.Why is this ability decreased?

Which of the following muscle fiber arrangements tends to produce a greater range of motion compared with other fiber arrangements?

Which of the following characteristics BEST describes type I muscle fibers?

What muscle action term describes the contraction of both the biceps and the triceps at the same time resulting in no movement at the elbow?

-What is preventing further stretch of the hamstrings as shown in the image?

What type of muscle contraction is being performed by the biceps in the image?

What risk is associated with adverse changes in skeletal muscle structures in elderly adults?

Which statement is MOST correct concerning the connective tissue system associated with muscles in the human body?

Which statement BEST describes the activity of the protein cross-bridges during an eccentric muscle contraction?

Which of the following functional activities is a reversal of action of the quadriceps muscles?

What length of a muscle allows it to produce its greatest force?

Which of the following characteristics describes large motor units?

Which statement BEST describes the activity of the protein cross-bridges during an isometric muscle contraction?

Principles of Kinesiology and Biomechanics

Structure and Function of Joints

Additional Biomechanical Principles

Structure and Function of the Spine

Structure and Ventilation Function of the Thorax

Structure and Function of the Temporomandibular Joint

Structure and Function of the Shoulder Complex

Structure and Function of the Elbow Complex

Structure and Function of the Wrist and Hand Complex

Structure and Function of the Hip Complex

Structure and Function of the Knee

Structure and Function of the Ankle and Foot Complex

The Kinesiology of Gait

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Exam 3: Structure and Function of Muscles

-What is the stimulus that activates a Golgi tendon organ, and what is the result of the activation?

When passively stretching a patient's muscle, what is MOST LIKELY to happen once the muscle reaches its critical length if the stretch is slowly continued?

How does the speed of contraction affect the muscle's ability to generate force during a concentric contraction?

What muscle action term describes the muscle or muscle group that can oppose the action of the agonist?

-What type of muscle contraction is being performed by the biceps in the image?

-What is the stimulus that activates a muscle spindle, and what is the result of the activation?

Which muscle action term BEST describes the biceps when activated to perform elbow flexion?

-The hand has a decreased ability to produce a powerful grip in the position as shown in the image.Why is this ability decreased?

Which of the following muscle fiber arrangements tends to produce a greater range of motion compared with other fiber arrangements?

Which of the following characteristics BEST describes type I muscle fibers?

What muscle action term describes the contraction of both the biceps and the triceps at the same time resulting in no movement at the elbow?

-What is preventing further stretch of the hamstrings as shown in the image?

What type of muscle contraction is being performed by the biceps in the image?

What risk is associated with adverse changes in skeletal muscle structures in elderly adults?

Which statement is MOST correct concerning the connective tissue system associated with muscles in the human body?

Which statement BEST describes the activity of the protein cross-bridges during an eccentric muscle contraction?

Which of the following functional activities is a reversal of action of the quadriceps muscles?

What length of a muscle allows it to produce its greatest force?

Which of the following characteristics describes large motor units?

Which statement BEST describes the activity of the protein cross-bridges during an isometric muscle contraction?

Principles of Kinesiology and Biomechanics

Structure and Function of Joints

Additional Biomechanical Principles

Structure and Function of the Spine

Structure and Ventilation Function of the Thorax

Structure and Function of the Temporomandibular Joint

Structure and Function of the Shoulder Complex

Structure and Function of the Elbow Complex

Structure and Function of the Wrist and Hand Complex

Structure and Function of the Hip Complex

Structure and Function of the Knee

Structure and Function of the Ankle and Foot Complex

The Kinesiology of Gait

Filters