Wk 1 intro

Question 1

Athlete =

Answer 1

take the sport seriously, have a goal, engage in systematic training, be very fit

Question 2

Exercise =

Answer 2

subset of PA that is planned, structured and repetitive and has a final/intermediate objective.

Question 3

Performance related fitness components =

Answer 3

Agility, speed, power, reaction time, balance, coordination, kinesthetic sense.

Question 4

Health related fitness components:

Answer 4

Cardioresp endurance, muscular endurance, strength, flexibility, body comp.

Question 5

Cardiorespiratory endurance =

Answer 5

ability of heart, lungs and circulatory system to supply O2 and nutrients to working muscles over a long period of time. Can be assesed by VO2max. Expressing VO2max relative to body size indicates aerobic fitness.

Question 6

ATP binds to _ _, _ releases from _.

Answer 6

ATP binds to myosin head, myosin releases from actin.

Question 7

Respiratory system - characteristics

Answer 7

• Essential for O2 transfer to blood and eventually tissues and removal of CO2
• Minute ventilation can increase from 10-14 L/min to 100-180 L/ml
• Generally doesnt limit performance at sea level
• May limit performance at altitude or in very elite athletes

Question 8

CV system - characteristics

Answer 8

• Delivery of O2 to tissues
  CO = HRxSV
• Can increase from 5 to 10/25 L/min
• Hemoglobin concentration also influences O2 carrying capacity

Question 9

RER is calculated by measuring _ _ and _ _.

Answer 9

RER is calculated by measuring O2 consumed and CO2 produced.

Question 10

Energy systems:

Answer 10

ATP-PCr, glycolysis, oxidative phosphorylation

Question 11

EE =

Answer 11

O2 consumption/time x caloric equiv. of O2 x time