Question 1

Which activity BEST represents open kinematic chain movement?

Accepted Answer

A)  Kicking a ball
B)  Standing up from sitting
C)  Squatting
D)  Performing a push-upE) B) and C)
F) All of the above

Question 2

When the quadriceps muscles extend the knee, which component of the vector force produced by the muscle tends to produce movement?

Accepted Answer

A)  All components of the vector force
B)  Perpendicular force component of the vector
C)  Total vector force minus the perpendicular component
D)  Parallel force component of the vectorE) A) and C)
F) B) and C) B

Question 3

Which statement is MOST CORRECT when measuring two forces that are parallel, in the same plane, and in opposite directions?

Accepted Answer

A)  The two forces are added together.
B)  The negative direction is added to the positive direction force.
C)  One force is divided by the second force.
D)  One force is multiplied by the second force.E) B) and C)
F) None of the above

Question 4

Which of the following examples BEST describes linear motion?

Accepted Answer

A)  Lower limb moving around knee joint axis during knee extension
B)  Displacement of the center of mass during walking
C)  Hand bringing food to the mouth during eating
D)  Gliding motion between the surfaces of two jointsE) All of the above
F) B) and D)

Question 5

Which of the following movement terms BEST describes segments moving away and toward the midline?

Accepted Answer

A)  Flexion and extension
B)  Circumduction
C)  Rotation
D)  Abduction and adductionE) B) and C)
F) All of the above

Question 6

Which of the following situations is an example of stable equilibrium?

Accepted Answer

A)  A person riding in a car
B)  A person sitting in a bus loses balance as the bus turns a corner
C)  A person riding a bicycle
D)  A person standing on a bus maintains balance as the bus turns a cornerE) A) and D)
F) B) and D)

Question 7

A person is unstable in a sitting position.Which position would provide increased stability?

Accepted Answer

A)  Standing with feet together
B)  Sitting with legs crossed
C)  Standing with feet apart
D)  LyingE) A) and B)
F) A) and C)

Question 8

How many degrees of freedom occur at the elbow joint?

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) All of the above
F) C) and D) B

Question 9

In the anatomical position, which directional term BEST describes the position of the knee in relation to the hip?

Accepted Answer

A)  Proximal
B)  Superior
C)  Medial
D)  DistalE) All of the above
F) A) and D)

Question 10

What are the two components that represent vector measurements of forces?

Accepted Answer

A)  Time and volume
B)  Magnitude and direction
C)  Direction and time
D)  Volume and magnitudeE) C) and D)
F) B) and C)

Question 11

-Referring to the image, what would the movement at the joint be if the internal muscle force (IMF)  × internal moment arm (IMA)  = external limb force (ELF)  × external moment arm (EMA) ?

Accepted Answer

A)  Joint angle decreases as joint flexes
B)  Joint rotates
C)  Joint angle increases as joint extends
D)  Joint does not moveE) None of the above
F) A) and B)

Question 12

How many degrees of freedom occur at the shoulder joint?

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) B) and C)
F) C) and D)

Question 13

What is the approximate location of the center of mass in the anatomical position?

Accepted Answer

A)  L4-L5 vertebra
B)  Anterior to S2
C)  T10-T11 vertebra
D)  Posterior to S1E) All of the above
F) A) and B)

Question 14

Which of the following types of forces is MOST LIKELY occurring at the knee joints in a person who has a body mass greater than ideal body weight when walking?

Accepted Answer

A)  Tension
B)  Compression
C)  Bending
D)  TorsionE) B) and C)
F) A) and C)

Question 15

Which of the following areas on the stress-strain curve represents muscle tissue that has been stretched but returns to its original length after the stretch is stopped?

Accepted Answer

A)  Toe region
B)  Elastic region
C)  Plastic region
D)  Mechanical failureE) B) and C)
F) All of the above

Question 16

Which of the following movements is an example of passive movement?

Accepted Answer

A)  Therapist guarding a patient as patient stands up
B)  Therapist rolling a patient in bed
C)  Patient transferring out of bed
D)  Patient brushing teethE) A) and D)
F) All of the above

Question 17

Which statement is MOST CORRECT related to angles of insertion?

Accepted Answer

A)  Angles are smallest at the ends of range of motion, and muscle force is minimal.
B)  Angles change throughout range of motion, and muscle force remains constant.
C)  Angles are largest at the ends of range of motion, and muscle force is minimal.
D)  Angles and muscle force remain constant throughout range of motion.E) All of the above
F) B) and C)

Question 18

In which of the following planes and around which axis does abduction and adduction occur?

Accepted Answer

A)  Transverse plane around a sagittal axis
B)  Sagittal plane around a frontal axis
C)  Frontal plane around a sagittal axis
D)  Horizontal plane around a vertical axisE) C) and D)
F) All of the above C

Question 19

In the anatomical position, which directional term BEST describes the position of the radius in relation to the ulna?

Accepted Answer

A)  Lateral
B)  Anterior
C)  Medial
D)  PosteriorE) A) and B)
F) C) and D)

Question 20

A person is using a screwdriver to tighten a screw.In which plane and around which axis does movement of the forearm primarily occur when turning the screwdriver?

Accepted Answer

A)  Transverse plane around a sagittal axis
B)  Sagittal plane around a frontal axis
C)  Frontal plane around a sagittal axis
D)  Horizontal plane around a vertical axisE) A) and C)
F) B) and C)

Exam 1: Principles of Kinesiology and Biomechanics

Which activity BEST represents open kinematic chain movement?

Correct AnswerverifiedShow Answer

When the quadriceps muscles extend the knee, which component of the vector force produced by the muscle tends to produce movement?

Correct AnswerverifiedB

Which statement is MOST CORRECT when measuring two forces that are parallel, in the same plane, and in opposite directions?

Correct AnswerverifiedShow Answer

Which of the following examples BEST describes linear motion?

Correct AnswerverifiedShow Answer

Which of the following movement terms BEST describes segments moving away and toward the midline?

Correct AnswerverifiedShow Answer

Which of the following situations is an example of stable equilibrium?

Correct AnswerverifiedShow Answer

A person is unstable in a sitting position.Which position would provide increased stability?

Correct AnswerverifiedShow Answer

How many degrees of freedom occur at the elbow joint?

Correct AnswerverifiedB

In the anatomical position, which directional term BEST describes the position of the knee in relation to the hip?

Correct AnswerverifiedShow Answer

What are the two components that represent vector measurements of forces?

Correct AnswerverifiedShow Answer

-Referring to the image, what would the movement at the joint be if the internal muscle force (IMF) × internal moment arm (IMA) = external limb force (ELF) × external moment arm (EMA) ?

Correct AnswerverifiedShow Answer

How many degrees of freedom occur at the shoulder joint?

Correct AnswerverifiedShow Answer

What is the approximate location of the center of mass in the anatomical position?

Correct AnswerverifiedShow Answer

Which of the following types of forces is MOST LIKELY occurring at the knee joints in a person who has a body mass greater than ideal body weight when walking?

Correct AnswerverifiedShow Answer

Which of the following areas on the stress-strain curve represents muscle tissue that has been stretched but returns to its original length after the stretch is stopped?

Correct AnswerverifiedShow Answer

Which of the following movements is an example of passive movement?

Correct AnswerverifiedShow Answer

Which statement is MOST CORRECT related to angles of insertion?

Correct AnswerverifiedShow Answer

In which of the following planes and around which axis does abduction and adduction occur?

Correct AnswerverifiedC

In the anatomical position, which directional term BEST describes the position of the radius in relation to the ulna?

Correct AnswerverifiedShow Answer

A person is using a screwdriver to tighten a screw.In which plane and around which axis does movement of the forearm primarily occur when turning the screwdriver?

Correct AnswerverifiedShow Answer

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B

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B

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C

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