Question 4 Flashcards

1
Q

Sagittal plane is?

A

Media/Lateral axis

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2
Q

Frontal plane is?

A

Anterior-posterior axis

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3
Q

Horizontal plane is?

A

Vertical axis

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4
Q

Movements of bones is?

A

Osteokinematics

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5
Q

Movements of joint surfaces?

A

Arthrokinematics

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6
Q

What is a first class lever?

A

Axis is between the force and the resistance

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7
Q

What is a second class lever?

A

Resistance is between the axis and the force

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8
Q

What is a third class lever?

A

Force is between the axis and the resistance

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9
Q

What is closed packed joint position?

A

Ligaments are most taut, joint surfaces are most congruent and compressed together

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10
Q

What is a loose-packed joint position?

A

Ligaments are not taut, joint surfaces have space between them

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11
Q

The convex-concave rule tells us what in what direction the _____ motion of a joint goes?

A

sliding

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12
Q

What type of lever is a 2 handle nut cracker?

A

second class

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13
Q

Degrees of freedom refers to?

A

The number of directions (planes) through which a joint can move

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14
Q

A baseball pitcher throws a fastball and the hitter hits the ball in a line drive right back at the pitcher. What factors determine the speed of the ball after it is hit?

A

The speed of the pitch
The force applied by the hitter on the bat
The weight of the ball

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15
Q

What is the term for theories about the various body systems interact to produce movement, with emphasis on how the brain manages the movement?

A

Motor control

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16
Q

Elbow flexion and extension moves around which one?

A

Medial-lateral

17
Q

The mechanical advantage for a third class lever is always less than 1? T/F

A

T

18
Q

Internal and external rotation of the humerus occurs in what plane?

A

Transverse

19
Q

What is the term for the study of forces on the body?

A

Kinetics

20
Q

T/F

Flexion and extension are considered angular movements?

A

T

21
Q

When I open my hinged car hood, what class lever is present in the car hood as I push it up?

A

Second class

22
Q

Movements in the coronal plane move around the?

A

anterior posterior axis

23
Q

Arthrokinematic motions can be voluntarily performed by a healthy person with intact motor control, without performing an osteokinematic motion? T/F

A

False