Exam One Flashcards

1
Q

What are the different planes of motion?

A

Sagittal - left and right
Frontal - front and back
Transverse - top and bottom
Diagnol - combination of more than one

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2
Q

What are the different axes of rotation?

A

Frontal
Sagittal
Transverse

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3
Q

Describe the frontal plane

A

Perpendicular to sagittal plane
Runs medial to lateral
Flexion and extension

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4
Q

Describe the sagittal plane

A

Perpendicular to frontal plane
Runs anterior to posterior
Adduction and abduction

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5
Q

Describe the transverse plane

A

Perpendicular to transverse plane
Runs superior to inferior, longitudinal
Internal and external rotation

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6
Q

What is abduction ?

A

Movement away from the midline

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7
Q

What is adduction?

A

Movement toward the midline

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8
Q

What is circumduction?

A

Circular movement of a limb

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9
Q

What movements are specific to the ankle?

A

Eversion vs Inversion

Dorsal flexion vs plantar flexion

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10
Q

What movements are specific to the forearm?

A

Pronation and suppination

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11
Q

What movements are specific to the shoulder girdle?

A

Depression vs elevation
Protraction vs retraction
Upward vs downward rotation

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12
Q

What are the functions of the skeletal system?

A
Stores calcium
Protects vital organs
Support
Movement
Production of red blood cells
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13
Q

What is stress?

A

Force that will result in the deformation of bones

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14
Q

What is strain?

A

Force that results in compression and leads to distortion

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15
Q

What is wolffs law?

A

Bone size and shape are influenced by the direction and magnitude of force applied

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16
Q

What are the three classes of joints?

A

Fibrous - immovable - synarthrodial
Cartiligenous - slightly movable - amphiarthrodial
Synovial - freely movable - Diarthrodial

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17
Q

What are the six types of diarthrodial joints?

A
Enarthrodial - Ball and socket
Ginglymus - Hinge
Sellar - saddle 
Trochoidal - pivot
Arthrodial - plane
Condyloidal - ellipsoid
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18
Q

What is an example of a condyloidal joint?

A

Metacarpophalangeal joint

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19
Q

What is an example of a sellar joint?

A

Carpometacarpal Joint

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20
Q

What is an example of an arthrodial joint?

A

Intercarpal joint

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21
Q

What is an example of a trochodial joint?

A

proximal radioulnar joint

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22
Q

What is an example of a ginglymus joint?

A

Humeroulnar

23
Q

What is an example of an enarthrodial joint?

A

Shoulder

24
Q

What is mechanics?

A

Study of physical action of force

25
Q

What is static mechanics?

A

No motion or no acceleration

26
Q

What is dynamic mechanics?

A

Motion with acceleration

27
Q

What is force?

A

mechanical effort applied to a body that tends to produce acceleration

28
Q

What does a lever consist of?

A

Axis of rotation
Resistance which must be overcome
A point where force is applied

29
Q

What does a first class lever consist of?

A

Axis is between F and R

Force production - A closer to R

30
Q

What does a second class lever consist of?

A

R is between A and F

Force production

31
Q

What does a third class lever consist of?

A

F is between A and R
Speed and range of motion
Most common in human body

32
Q

What is mechanical advantage?

A

MA = FA/RA

33
Q

What is the calculation for leverage?

A

F X FA = R X RA

34
Q

What is kinetics?

A

Spatial and timing characteristics of movement with regard to force

35
Q

What is kinematics?

A

Spatial and timing characteristics without regard to force

36
Q

What are newtons three laws?

A

1st - object will remain in motion
2nd - F=M*A
3rd - Equal and opposite reaction

37
Q

What is impulse equal to?

A

Product of force and time over which it is applied

38
Q

What is linear force

A

Force applied in same direction as action line

One point of application

39
Q

What is concurrent force?

A

Forces applied to same point but different angles

40
Q

What are parallel forces?

A

Act parallel from different points of application

41
Q

What is inertia?

A

The property of matter by which it remains at rest or in motion

42
Q

What are the three moments of inertia?

A

Mass
Area
Polar

43
Q

What is mass moment?

A

Resistance to rotation around axis

44
Q

What is area moment?

A

Resistance to bending

45
Q

What is polar moment?

A

Resistance to twisting

46
Q

What are the forces that can modify motion?

A

Weight
Contact forces
Fluid forces

47
Q

What is friction?

A

Opposes efforts to slide or roll one body or object over another

48
Q

What are the three types of friction?

A

Starting friction
Sliding friction - resists continued motion
Rolling friction - allows objects to roll

49
Q

What is the coefficiant of friction?

A

Limiting friction/normal friction

50
Q

What is elasticity?

A

Ability to withstand forces and then return to size and shape

51
Q

What is the coefficient of elasticity?

A

Stress/strain

Square root of bounce height/drop height

52
Q

Factors that influence coefficient of elasticity?

A

Surface involved
Temperature
Velocity of impact

53
Q

What are the factors that influence the path of a rebounding ball?

A

Force
Elasticity
Spin
Impact angle