Exercise Thresholds
from Crafting Fitness Hosted by Sam Smith
Come to the training camp! Link to sign up - https://hrcf.sites.zenplanner.com/event.cfm?eventId=97B4F855-D4CC-4764-BBF7-A6D02CF4218C In this episode, I discuss 3 distinct exercise thresholds and their application to training. Lactate Threshold Vo2 Max Critical Power/Critical Speed Papers from the episode: Variability in exercise tolerance and physiological responses to exercise prescribed relative to physiological thresholds and to maximum oxygen uptake - https://pubmed.ncbi.nlm.nih.gov/36710454/ Talk Test - https://hrcak.srce.hr/file/284311 Power-Duration Relationship: Physiology, fatigue, and the limits of human performance - https://pubmed.ncbi.nlm.nih.gov/27806677/ How to calculate Critical Speed or Critical Power: Step 1) Perform 2 time trial tests in the 3-20 minute time domain (on the same activity) Running example: 1600m = 5:20 5000m = 19:30 Step 2) Take Time for Test 2, convert into seconds. Take Time for Test 1, convert into seconds 1600m = 5:20 = 320 seconds = 3:33/km 5000m = 19:30 = 1170 seconds = 3:54/km Step 3) Take Distance 2 and subtract from Distance 1 5000 - 1600m = 3400m Step 4) Take Distance delta and divide by Time delta 3400 / 850 = 4:00/km (+/- 5 seconds) For this individual, their Critical Speed (the name for the value when meters per second is being evaluated) is 4:00/km (+/- 5 seconds) - CS/CP is not too the second specific, it’s a band of time, which is why we want to give about 5 seconds on either side of this value.
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