exercise physiology- energy systems

Question 1

ATP- CP system

Answer 1

fuel source: creatine phosphate 
intensity: greater than 95% max HR
duration: 0-10 seconds
peak: 2-4 seconds
Type 2B muscle fibre
eg. javelin, discuss, long jump, sprinter

Question 2

Lactic Acid system

Answer 2

fuel source: glycogen
intensity: greater than 85% max HR
duration: 10-76 seconds
peak: 5-15 seconds
Type 2A muscle fibre
eg. 400m runner, 100m swimmer

Question 3

Aerobic system

Answer 3

fuel source: CHO (glycogen)
intensity: greater than 80% max HR
duration: greater than 75 seconds
peak: 75+ seconds
Type 1 fibres
eg. endurance athletes, marathon runners, mid field player in afl/hockey/soccer