To lift or HIIT? Ask your genes

Your muscle power measures the maximum amount of force you can exert in a limited period of time. When your muscle structure favors power exercises, you have the potential to exert substantial force in a short period of time. Olympic weight lifting is an example of a power exercise. The heritability of power/strength has been estimated to be up to 80% depending on the specific muscle type (isometric knee strength, handgrip strength, elbow flexion). Fast-twitch (Type II) fibers generate a relatively high amount of force in a short period of time. They are characterized by high force/power/speed, like the take-off motion in a sprint, but the fast-twitch muscle fibers experience fatigue faster. “Power” fibers have lower mitochondrial density, lower myoglobin levels but higher levels of stored glycogen as they primarily rely on glycolysis (anaerobic respiration) to fuel muscle contractions. The glycolysis process is very quick yet it is also quite inefficient at producing ATP. Another drawback of glycolysis is that it produces lactic acid as a byproduct, which leads to muscle fatigue. This explains why fast twitching muscles tire out quicker. To evaluate your power profile predisposition likelihood Lifenome uses the most reliable genetic biomarkers that have been found to be associated with power/strength-related sports.

To learn about body makeup, order your DNA Reports today: https://silverberrygenomix.com/dna-health-wellness-reports/

Coach Amy

Coach Amy

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