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Exam (elaborations)

Hk 100: Exam 1 Questions

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HK 100: EXAM 1 QUESTIONS

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HK 100: EXAM 1 QUESTIONS
Thin filaments have - answers :actin

Thick filaments have - answers :myosin

Sliding filament hypothesis - answers :overlapping areas slide toward each other in a
muscle fiber

Cross-bridge hypothesis - answers :myosin connects to binding sites / calcium released

Concentric contraction - answers :muscle shortens

Eccentric contraction - answers :muscle lengthens

Isometric contraction - answers :muscle doesn't change

Delayed-onset muscle soreness (doms) - answers :muscle soreness that develops 24-
48 hours after exercise / caused by microscopic tears in myofibrils

What contractions cause more soreness? - answers :eccentric

Aerobic phosphagen - answers :immediate energy
Atp, pcr, or glucose

Anaerobic glycolytic - answers :no oxygen required
Glycogen or glucose

Oxidative - answers :requires oxygen
Glycogen, fat, or protein

Aerobic power is - answers :vo2 max

Vo2 max - answers :ability to continue exercising for long durations

Anaerobic power - answers :max power that can be achieved in all out exercise

Components of vo2 max uptake - answers :pulmonary function
Blood flow
Cardiovascular function

Components of pulmonary ventilation - answers :respiratory rate
Tidal volume

Components of cardiovascular function - answers :cardiac output
Stroke volume

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