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Lecture 11

Kinesiology 2230A/B Lecture Notes - Lecture 11: Blood Sugar, Glycogen


Department
Kinesiology
Course Code
Kinesiology 2230A/B
Professor
Glen Belfry
Lecture
11

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January 27, 16
2230 Lecture 11
Last day:
Fatigue and Moderate Intensity and Duration
2-3 hours exercise
Looking at muscle glycogen and duration along x axis
As duration increases, glycogen decreases and perceived exertion increases
Glycogen
If glycogen depletion is critical to fatigue, can glycogen levels be manipulated?
Dietary CHO and glycogen
3 training sessions on each of the spikes in the graph
2 hours workout
Both groups saw decrease in muscle glycogen
Glycogen repletion occurs much faster when you have a high CHO diet
Low CHO – continual drop in muscle glycogen
DIET AFFECTS GLYCOGEN REPLETION PATTERNS IN MUSCLE
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Muscle Glycogen and Exhaustive Exercise
Low carb diet – people will be more tired
Glycogen Repletion – active muscles (picture below)
People ride bike for a few hours
They only biked with one leg
In exercise leg over next 3 days there is tremendous increase in muscle
glycogen
“Super compensation
Non exercise leg had no difference
After 3 days of recovery, no exercise leg had no difference
Glycogen changes (depletion/repletion) is only affected by the working
muscle
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