Biomechanics Test - T2

Question 1

Which type of joint allows for the greatest range of motion?

Answer 1

Synovial.

Question 2

Between the bones of the cranium are an example of what type of joint?

Answer 2

Fibrous joint.

Question 3

Which kind of joint permits triaxial movement such as circumduction?

Answer 3

Ball and socket.

Question 4

Between the atlas and axis is an example of what type of joint?

Answer 4

Pivot joint.

Question 5

4 accessory structures in synovial joints?

Answer 5

• Meniscal cartilages
• Extracapsular ligaments
• Intracaspular ligaments
• Tendons

Question 6

Which ligament strengthens the shoulder joint?

Answer 6

The glenohumeral ligament.

Question 7

Menisci?

Answer 7

Fibrocartilagious discs in the knee.

Question 8

Which type of motion is used to describe the flight of a softball after it leaves the bat and sails in an arc over the outfield fence?

Answer 8

Curvilinear motion.

Question 9

What does the term curvilinear describe?

Answer 9

Translational motion along a curved line.

Question 10

What does the term acceleration describe?

Answer 10

The time rate of change of velocity.

Question 11

How does mass differ from weight?

Answer 11

Weight is a force and mass is the quantity of matter in a body.

Question 12

What will the body do if there is an unbalanced force at rest?

Answer 12

Accelerate.

Question 13

Inertia?

Answer 13

A body’s resistance to having its state of motion changed.

Question 14

How can angular motion be defined?

Answer 14

Rotation about an axis of rotation.

Question 15

How can angular velocity be defined?

Answer 15

How quick the rotation is.

Question 16

Why is mass an important quantity in kinetics?

Answer 16

Because it quantifies the inertia of the body.

Question 17

What does a free-body diagram display?

Answer 17

The external forces acting on a body.

Question 18

Which of the following are examples of external forces which may act on the human body:

(a) Weight
(b) Mass
(c) Friction
(d) Ground reaction force
(e) Muscle force

Answer 18

A
C
D

Question 19

If location is constant, velocity…

Answer 19

…has to be zero.

Question 20

How is torque defined?

Answer 20

• The tendency of a force to cause rotation.
• The turning effect of a force.
• The product of force and moment arm.

Question 21

The angular distance covered by a rotating object will always be…

Answer 21

…at least equal to, if not greater than, the angular displacement covered by the object.

Question 22

What are the 4 tasks & the correct order in Knudson’s (2013) 4 task model of qualitative analysis?

Answer 22

• Preparation
• Observation
• Evaluation/Diagnosis
• Intervention

Question 23

When a runner has completed one full lap around a 400 m track in a time of 50 s, what is the runner’s displacement with respect to the starting position?

Answer 23

0m.

Question 24

Example of an absolute angle?

Answer 24

An angle formed between a segment and a horizontal reference line.