Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

DCCJP Final Prep > Module 4, Year 1 - Biomechanics > Flashcards

Module 4, Year 1 - Biomechanics Flashcards

1
Q

When a joint in the body is subjected to external forces, in the form of external loads and muscle forces, the initial reaction forces acting at the contact surfaces are called the __________.

a) Joint reaction forces
b) Contact area forces
c) External reaction forces
d) Contact reaction forces

A

a) Joint reaction forces

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The area of contact between two joint surfaces in the _________.

a) Joint surface area
b) Contact area
c) Force area
d) Reaction area

A

b) Contact area

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Stress in the contacting surface is known as the _________.

a) Contact stress
b) Surface stress
c) Reaction stress
d) Pressure stress

A

a) Contact stress

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The resistance to movement between two surfaces is known as _________.

a) Reaction
b) Force
c) Friction
d) Wear

A

c) Friction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The ratio of friction force necessary to initiate a sliding motion between two bodies and the normal compressive force between two bodies is known as _________.

a) Coefficient of friction
b) Ratio of friction
c) Farces
d) Contact ration

A

a) Coefficient of friction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the removal of surface material due to sliding motion between two surfaces?

a) Wear
b) Force
c) Friction
d) Contact

A

a) Wear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the name for an interposed substance that separates two contacting surfaces?

A

Lubricant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the porous, spongy bone found inside the shell of compact cortical bone?

a) Cortical bone
b) Spongy bone
c) Cancellous bone
d) Porous bone

A

c) Cancellous bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the name of the specialized connective tissue with a high collagen content, but no mineral content?

a) Bone
b) Ligament
c) Cartilage
d) Fat

A

c) Cartilage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The cartilage which is located at the articulating ends of long bones and is an essential soft tissue associated with normal joint motion is known as what?

a) Hyaline
b) White fibrocartilage
c) Yellow elastic fibrocartilage
d) Brown fibrocartilage

A

a) Hyaline

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Posterior-to-anterior glide and anterior-to-posterior glide are examples of what type of movements along the z-axis?

a) Clockwise
b) Translational
c) Curvilinear
d) Synathroses

A

d) Synathroses

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which type of joints are considered “free movable”?

a) Synovial Joints
b) Close Packed
c) Open Packed
d) Bounded Packed

A

a) Synovial Joints

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The term referring to experimentation relating to the study of the whole living subject in a natural environment.

a) In vivo
b) In vitro
c) In silico
d) In sitro

A

a) In vivo

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The term referring to experimentation relating to the study of the whole living subject outside its natural environment.

a) In vivo
b) In vitro
c) In silico
d) In sitro

A

b) In vitro

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The physiologic movement which occurs at the joint when muscles contract or when gravity acts on bone to cause motion.

a) Osteokinematic
b) Arthokinematic
c) Hydroneumatic
d) Statoneumatic

A

a) Osteokinematic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The specific movements that occur at the articulating joint surfaces.

a) Osteokinematic
b) Arthrokinematic
c) Hydroneumatic
d) Statoneumatic

A

b) Arthrokinematic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Term denotes the location point of the axis around which motion occurs.

a) Instantaneous pivot point
b) Rotation of axis
c) Axis of pivot
d) Instantaneous axis of rotation

A

d) Instantaneous axis of rotation

18
Q

Term used to describe the position when the joint capsule and ligaments are maximally tightened.

a) Close-packed position
b) Open-packed position
c) Open-max position
d) Max-open position

A

a) Close-packed position

19
Q

This occurs when a joint moves toward its close-packed position.

a) Compression
b) Distraction
c) Rotation
d) Shearing

A

a) Compression

20
Q

This occurs when a joint moves toward its open-packed position.

a) Distraction
b) Compression
c) Shearing
d) Rotation

A

a) Distraction

21
Q

Also known as torsional loading, occurs when the body moves in concentric circles or an arc.

a) Rotation
b) Distraction
c) Compression
d) Techtortion

A

a) Rotation

22
Q

The deformation of a body increases the proportion to the load that is applied, is the definition of what?

a) Newton’s 1st Law
b) Wolf’s Law
c) Hooke’s Law
d) Newton’s 2nd Law

A

c) Hooke’s Law

23
Q

Two adjacent vertebrae and the joint that links them, with the skeletal muscle that moves the articulation describes what?

a) Articulated Segment
b) Bonded Interconnection
c) Spinal Accessory Unit
d) Functional Spinal Unit

A

d) Functional Spinal Unit

24
Q

Which muscle is the only muscle to actively move the atlas (C1) vertebra?

a) Longus Coli
b) Sternocleidomastoid
c) Alar
d) Semispinalis Cervicis

A

a) Longus Coli

25
Q

Movements of the medial (internal) and lateral (external) rotation in the extremities, as well as axial rotation in the spine, occur around it and through the transverse plane.

a) The coronal axis (x-axis)
b) The sagittal axis (z-axis)
c) The longitudinal axis (y-axis)
d) The rotational axis (r-axis)

A

c) The longitudinal axis (y-axis)

26
Q

The motions of flexion and extension occur about this axis and through the sagittal plane.

a) The coronal axis (x-axis)
b) The sagittal axis (z-axis)
c) The longitudinal axis (y-axis)
d) The rotational axis (r-axis)

A

a) The coronal axis (x-axis

27
Q

Coefficient of friction

A

The ratio of friction force necessary to initiate a sliding motion between two bodies and the normal compressive force between two bodies

28
Q

First-class lever

A

The axis (fulcrum) is located between the force and resistance

29
Q

Functional Spinal Unit

A

Two adjacent vertebrae and the joint that links them, with the skeletal muscle that moves the articulation

30
Q

Helical axis of motion

A

The axis of motion when 3-dimensional motion occurs between objects; a screw axis of motion

31
Q

Inertia

A

The property of a body to remain at rest, or in a uniform motion unless acted upon by another force. Newton’s first law: The mass of a body determines the magnitude of this resistance.

32
Q

Instantaneous axis of roation

A

Term denotes the location point of the axis around which motion occurs

33
Q

In Silico

A

Experimental studies which simulate the living system

34
Q

In Vitro

A

The term referring to experimentation relating to the study of the whole living subject outside its natural environment

35
Q

In Vivo

A

The term referring to experimentation relating to the study of the whole living subject in a natural environment

36
Q

Joint reaction forces

A

The initial reaction forces acting at the contact surfaces when a joint in the body is subjected to external forces, in the form of external loads and muscle forces

37
Q

Longitudinal axis (y-axis)

A

Movements of medial (internal) and lateral (external) rotation in the extremities, as well as axial rotation in the spine, occur around it and through the transverse plane

38
Q

Shearing

A

A result of the translation of one body over another

39
Q

Second-class lever

A

The resistance is between the axis and the force

40
Q

Third-class lever

A

The force is between the axis and the resistance

41
Q

Coronal axis (x-axis)

A

The motions of flexion and extension occur about this axis and through the sagittal plane

DCCJP Final Prep (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions