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Muscle injury, repair and aging with Dr Abigail Mackey
Inside Exercise
The Effect of Resistance Training on Fiber Innovation
High resistance training and older individuals on my fiber innovation. We had muscle biopsies from master's athletes so endurance runners who've been running marathons many of them had run more than 100 marathons in their lifetime. And I did a staining for a classic regeneration marker neonatal myosin which you don't see in adults, it's only expressed during development of the first muscles before birth. It turns out that actually it's been shown Stephanie Oskiofino showed quite a long time ago now that if you denervate an animal muscle, like cut the nerve so the whole muscle has no neural input, then all the fibers will express neonatalMyosin
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