Human Strength & Power Flashcards

1
Q

Acceleration is defined as the change in… per…

A

velocity; unit of time.

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2
Q

Power is defined as…

A

The time rate of doing work.

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3
Q

Work is defined as the product of the… and the… the object moves.

A

force exerted on an object; distance

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4
Q

The product of force and velocity equals…

A

Power

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5
Q

Angular Displacement is defined as…

A

The angle through which an object rotates.

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5
Q

The angle through which an object rotates is known as…

A

Angular Displacement

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6
Q

Angular Velocity is an objects…. measured in…

A

rotational speed; radians per second.

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7
Q

Rotational Work Formula

A

Work = Torque x Angular Displacement

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8
Q

Recruitment is involving….. in …..

A

motor units; muscular contractions.

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9
Q

Rate Coding is the rate at which…

A

motor units are fired.

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10
Q

A Pennate Muscle is a muscle in which… with the… creating a feather-like arrangement

A

fibers align obliquely; tendon

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11
Q

The Angle of Pennation is the angle between the… and imaginary line between the muscle’s… and…

A

muscle fibers; origin; insertion.

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12
Q

Concentric means

A

Muscle shortening

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13
Q

When the contractile force is greater than the resistive force.

A

Concentric Muscle Action

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14
Q

Eccentric means

A

Muscle lengthening

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15
Q

When the contractile force is less than the resistive force.

A

Eccentric Muscle Action

16
Q

Isometric means

A

Muscle length doesn’t change.

17
Q

When contractile force is equal to resistive force.

A

Isometric Muscle Action

18
Q

Isokinetic means

A

Constant speed