Week 8-Body composition/Proportionality

Question 1

3 types of body tissue?

Answer 1

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

Question 2

Factors Affecting Body Composition?

Answer 2

Genetics
Growth
Aging
Nutrition 
Activity

Question 3

Densitometry?

Answer 3

Known density of body tissues measured relative to water

Question 4

Reducing Body Fat?

Answer 4

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

Question 5

Proportionality changes with growth?

Answer 5

low at birth but lifespan growth much greater than other segments

Question 6

Short Levers - Weightlifting advantage?

Answer 6

less torque and less distance to lift weight

Question 7

Short Levers - Gymnastics advantage?

Answer 7

Easier to rotate because less moment of inertia

Question 8

Long Levers?

Answer 8

Increases the ability to apply a force over a large distance

Question 9

Measuring Proportionality?

Answer 9

Somatogram

Unisex Phantom

Question 10

Crural and Brachial Indexes - Crural?

Answer 10

= Lower leg • 100 / Thigh

Question 11

Crural and Brachial Indexes - Brachial?

Answer 11

= Forearm • 100/ Arm

Question 12

Gymnastics?

Answer 12

Short limbs

Facilitates turning, balance and aesthetics

Question 13

Rowers?

Answer 13

Long low limb facilitates large stroke length

Oar in water longer, more force production

Question 14

Endurance Running?

Answer 14

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

Question 15

Sprinters and Hurdlers?

Answer 15

Require anaerobic power