ProVitalDNA - Package - DEMO EN

Athletics gene 1 (ACTN3 SNP rs181573)
COMPETITIVE SPORT
Human muscle fibers can be classified into two categories. Firstly, there are the so-called "slowtwitch"
(red) muscle fibers, which are well supplied with blood, and therefore are optimally
supplied with oxygen. As such, they fatigue slower, which has a positive effect on persistent
activity. These muscle fibers are, however, slow, and do not generate high forces, presenting a
disadvantage for fast and powerful movements. The second type are the "fast-twitch" (white)
muscle fibers, which are less supplied with blood, and therefore get tired more quickly, but
they also react faster and generate higher forces. This property makes these fibers powerful
with fast powerful movements.
The ACTN3 gene is active only in fast-twitch (white) muscle fibers, and plays an important role
in their function. However, this gene is frequently inactive due to a gene mutation, which
reduces the function of white muscle fibers, and thus the power with fast movements.
However, the red muscle fibers increase the stamina of the muscles. Because each individual
has two genes of this type, the following gene combinations are possible:
➤ ENDURANCE - Both genes are INACTIVE and produce no ACTN3 protein (24% of population)
➤ POWER - One of the genes is ACTIVE and produces ACTN3 protein (44% of population)
➤ POWER - Both genes are ACTIVE and produce ACTN3 protein (31% of population)
Genetic traits
SYMBOL rs NCBI POLYMORPH GENOTYPE
ACTN3 rs1815739 C>T C/T
Legend: rsNCBI = database number of genetic variation, Polymorphism = type of genetic change, Genotype =
the genetic laboratory result
Your result
The genetic programming of your muscle fibers
ENDURANCE
(24% of the population)
POWER
(44% of the population)
POWER
(31% of the population)
▲
One of your two genes is active and hence creates large and strong muscle fibers that are able
to produce strong forces and react quickly. On the downside, they tend to tire more quickly.
The muscle protein Alpha Actinin is being produced, but in somewhat lower amounts.
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