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Different Types of Athletic Training Affect How the Brain Communicates with Muscles

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I wonder why:

While not claiming that one type of exercise or sport is superior to another, Herda said the findings suggest that the human body’s neuromuscular system may be more naturally inclined to adapt to aerobic exercise than resistance training for strength as the communication between the brain and muscles was similar between resistance training and sedentary individuals.

Doesn't seem surprising. One of Tim Ferris' podcast interviewees talked about the first part of learning a new lift was just about getting dormant muscle fibers to fire. 

I do a lot of balance stuff and juggling(ish) as part of my workouts. I've noticed a substantial difference in my reflexes because my organism knows how to get stuff moved around so glasses don't hit the floor or my body doesn't fall off a surfboard. I'm 56 - anyone can do it.

They don't mention fast twitch vs. slow twitch muscle fiber ratios, so I can't tell if it was accounted for.  The change in ratio based on type of exercise, even between jogging / long-distance running and sprinting, has longed been discussed in running literature.

Aerobic exercise causes new capillaries to grow around muscles, lungs, digestive interfaces, etc.  I wouldn't be surprised if this or a similar development improves nerve function or connectivity.

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