This causes slight
damage to the muscle fibres, but this is completely normal.
The results were conclusive: runners with a higher genetic score had lower levels of creatine kinase and myoglobin in their blood, that is, less
damage to muscle fibres, compared to marathon runners with a less favourable score.
Not exact matches
In response
to muscle damage, these stem cells divide
to generate precursor cells that become the
fibres that make up our
muscles.
Taking protein in the hours after a workout will elevate protein synthesis almost instantly helping the body
to begin the process of repair and re-growth of
damaged muscle fibres (7).
The magic zone for hypertrophy appears
to be sets of 6 - 12 reps.. This is because it strikes a good balance between a load that is heavy enough
to tap into all
muscle fibres, with one that creates a high amount
muscle damage and metabolic stress (something that isn't possible with very light or very heavy loads).