Strength lecture 5/6 Power Scientific

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What type of ability is power?

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38 Terms

1

What type of ability is power?

Biomotor

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2

What are the two aspects of mechanical power?

Torque/product of force and velocity

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3

What is the rate of doing work?

Power

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4

How do you calculate power in terms of torque?

(force x distance)/time or work/time

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5

How do you calculate power in terms of force and velocity?

force x velocity or force x (distance/time)

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6

When is muscle most efficient?

When it has optimal power outputs

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7

What is optimal power output?

High power output over a short period of time

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8

What is the most important contributor to power output and whole limb movement efficiency?

Intermuscular coordination

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9

What is intermuscular coordination?

How different muscle groups work together to produce smooth and efficient movements

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10

What increases from power training?

Muscle efficiency

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11

What does intensity modify?

Volume

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12

What is load synonymous with?

Volume

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13

What is effort synonymous with?

Intensity

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14

What is force in the context of calculating power?

The load

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15

How is load modified?

Changing the percent of 1 RM

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16

What is velocity in the context of calculating power?

how fast you move

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17

What is typically neglected in power?

Velocity

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18

What is power’s variable for work and rate?

Rep per second

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19
<p>What does this graph represent?</p>

What does this graph represent?

As force decreases, power increases

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20

What is a muscular determinant that increases velocity?

An increase in fiber type training

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21
<p>What causes this force velocity curve to shift? And in what direction?</p>

What causes this force velocity curve to shift? And in what direction?

Increased muscle size, right

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22
<p>What does this force velocity power graph tell us?</p>

What does this force velocity power graph tell us?

An increase in muscle volume increases power/force output

A slight increase in force has a big impact on power

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23

What are the positives of explosive ballistic training?

Increased rate of force development

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24

What are the negatives of explosive ballistic training?

Faster force drop off

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25

What are the negatives of heavy resistance training?

Slower rate of developement

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26

What are positives of heavy resistance training?

More time until force fall off

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27

As the rate of torque developement increases what decreases?

The recruitment threshold

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28

What gets aided the most from a decrease in recruitment threshold?

High threshold motor units

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29

What causes all motor units to be recruited?

Max effort contractions

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30

Are all motor units recruited if there is a max effort contraction but with light weight?

Yes

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31

What kind of relationship do force and velocity have?

Inverse

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32

What occurs during heavy resistance training?

Small increase in velocity, large increase in force

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33

What occurs during mixed resistance training?

Big increase in both force and velocity

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34

What occurs during ballistic/explosive resistance training?

Big increase in velocity, small increase in force

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35

What are some examples of functional applications of power training?

Sit to stand, walking speed, and carrying laundry basket

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36

What is most important to functional outcomes of power training?

Mode of movement

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37

When are cluster sets used?

Advanced strength programs

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38

What are cluster sets?

Max effort and power for 1 rep, short rest, next rep

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