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RE: How Do Skeletal Muscles Contract??
Absolutely brilliant stuff man! This is an excellent explanation on muscular form and function, even focusing on some of the more indepth (and important) concepts such as ION Transport across the Sarcolemma. This would make for an excellent summary of muscular function for a First Year Health Science course or Anatomy course.
Thanks! Muscle physiology is endlessly fascinating. It was an immense struggle to write this simply because I wanted to include much more than I did. I'm going to need to write another post that includes the neuromuscular junction and corticospinal tract.
It really is and there is a shit tonne of information regarding neural signal transport and muscular response, the NMJ and Corticospinal structures are incredibly important, I also find that discussing how nerves are descending (Which I mean that the nerves along the spine that correspond to a particular muscle group do not align perpendicular so that the Nerve origin is always more superior relative to the muscular group's nerve ending), and hence why Spinal Taps are typically done in L4-L5 to avoid paralysis/nerve damage of organs and any higher structures. Also I think the Cauda Equina is a pretty awesome point to show explicitly the density of nerves packed into the spinal cord.
I couldn't agree more! You have me sold! I'll be writing a post on the pathway motor neurons take as they descend from the motor cortex to the terminal end of the axon here soon!
I appreciate your enthusiasm and input! Thank-you!