Week 8-Body composition/Proportionality Flashcards Preview

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Flashcards in Week 8-Body composition/Proportionality Deck (15)
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1
Q

3 types of body tissue?

A

Bone mass – Structural support
Adipose tissue – Energy storage
Lean muscle mass - Movement

2
Q

Factors Affecting Body Composition?

A
Genetics
Growth
Aging
Nutrition 
Activity
3
Q

Densitometry?

A

Known density of body tissues measured relative to water

4
Q

Reducing Body Fat?

A

Reducing caloric intake and various methods to increase metabolic rate - time of meals

5
Q

Proportionality changes with growth?

A

low at birth but lifespan growth much greater than other segments

6
Q

Short Levers - Weightlifting advantage?

A

less torque and less distance to lift weight

7
Q

Short Levers - Gymnastics advantage?

A

Easier to rotate because less moment of inertia

8
Q

Long Levers?

A

Increases the ability to apply a force over a large distance

9
Q

Measuring Proportionality?

A

Somatogram

Unisex Phantom

10
Q

Crural and Brachial Indexes - Crural?

A

= Lower leg • 100 / Thigh

11
Q

Crural and Brachial Indexes - Brachial?

A

= Forearm • 100/ Arm

12
Q

Gymnastics?

A

Short limbs

Facilitates turning, balance and aesthetics

13
Q

Rowers?

A

Long low limb facilitates large stroke length

Oar in water longer, more force production

14
Q

Endurance Running?

A

Small calf girth and short legs may aid running economy
Also, low BMI and body fat %
Childhood history of running
Combined make elite athletes

15
Q

Sprinters and Hurdlers?

A

Require anaerobic power