Little Parts Yr12 Flashcards
Sympathetic heart rate
Increases the heart rate
Parasympathetic nervous system
Slows heart down
Av02 difference
Difference in oxygen content of blood between arterial and venous blood
Factors effecting av02 difference
Training status
Cardiac output
Muscle spindles role in pnf
Relay message to cns to delay stretch reflex to achieve greater ROM
Plantar flexion
Pointing your toes away from your body (downwards)
Dorsi flexion
Involved pointing toes towards leg (upwards)
Indirect calometry
Measures energy expenditure by measuring respiratory gases and number of calories burned
Respiratory exchange ratio
Measures the c02 output to oxygen intake
What is an open skill
A skill performed in a constantly changing environment e.g cricket batsman
Closed skill
Skill that is not affected by the environment (habitual) e.g high jump
Simple skill
Low perceptual load
Few stimuli
Swimming
Complex skill
Many stimuli
High perceptual load
High decisions
Batsman cricket
Whole practice
Skill/movement is taught all in one peice
Pros- used for skills that can’t be broken down
-save time
Cons- not suited to cognitive
Part practice
Coach breaks a skill down and teaches it before bringing it all together again