And it is during this resting time that your body develops
new muscle fibres.
It does this by expanding the size of the muscle fibres, as well as building
new muscle fibres to handle the strain.
«This is crucial because muscle stem cells need to sense their environment to decide whether to produce more stem cells or to form
new muscle fibres.
Not exact matches
HRT significantly improves
muscle function — down to the
muscle fibre level — in postmenopausal women, a
new study published today [1 May] in The Journal of Physiology shows.
Hormone replacement therapy (HRT) significantly improves
muscle function — down to the
muscle fibre level — in postmenopausal women, a
new study published today [1 May] in The Journal of Physiology shows.
The satellite cells fuse with
muscle fibres, increasing cross-section thickness, and eventually transitioning into
new protein strands.
The lactic acid theory is now largely discredited, and
muscle soreness is instead thought to result from microscopic tears in
muscle fibres — and, crucially,
new tears continue to appear for several days after a bout of exercise, possibly due to inflammation of the affected area.
The
new study suggests that the
muscle loss that accompanies aging could also play a key role in endurance, perhaps because inefficient fast - twitch
muscle fibres have to be recruited earlier in an exercise bout.