final Flashcards

1
Q

Using a force platform to measure the forces imposed on the feet during walking is an example of what type of analysis

A

Quantitative

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2
Q

During knee extension, the shank undergoes what type of motion

A

Angular

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3
Q

Which type of analysis is a non-numeric evaluation of motion based on direct observation?

A

Qualitative

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4
Q

which phrase best defines biomechanics?

A

the study of structure and function of biologic systems by means of the methods of mechanics

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5
Q

The examination of the projectile characteristics of a high jumper is an example of which type of analysis

A

Kinematic

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6
Q

A_____ analysis would be used to determine the amount of force necessary to lift a 200-lb barbell in a squat

A

Kinetic

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7
Q

which is not part of the axial skeleton

A

upper extremities

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8
Q

The Right and Left deltoid muscles are to_____to one another

A

contralateral

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9
Q

when the shoulders return to a neutral position from being shrugged, the scapulae undergo

A

depression

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10
Q

Holding hand in a fixed position and drawing an imaginary ) in the air with the thumb is best described as

A

circumduction

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11
Q

a somersault occurs in which plane?

A

Sagittal

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12
Q

During the end of a 100 m race, a runner runs from the 20 to 30 m mark in 60 frames of a video record.

A

The runner is slowing down while moving in the positive direction

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13
Q

During knee extension exercise, if angular velocity was 5 degrees/second, how long would it take to complete 40 degrees of angular displacement

A

8s

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14
Q

During a softball pitch, the pitchers arm goes through 120 degrees of angular displacement of .25s. what is the average angular velocity?

A

480 degrees/second

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15
Q

If the Slope of angular velocity versus time plot is zero, then which of the following statements must always be true?

A

Angular acceleration is zero

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16
Q

If angular acceleration is negative, which of the following statements could be true?

A

Angular velocity is positive and decreasing

17
Q

motion where all points of an object travel the same distance along a curved path is considered angular motion.

A

False

18
Q

The angular displacement would be 900 degrees for a diver completing 2.5 somersaults

A

False

19
Q

An object will continue to move in the same direction and with the same velocity until a force causes a change in motion is which law of motion

A

Law of Inertia

20
Q

what are the base units for a Newton

A

Kg-m/s2

21
Q

How much force would be needed to accelerate an object (mass = 2 Kg) 10 m/s?

A

20 N