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Ca 2+ not Ca +. Acetylcholine = uh see - tul or uh-see-tl. Named after the acetyl groups in Chemistry. Not ass-e-til. Excellent illustrations + a few corrections in the voiceover = perfect.
Doing explosive workouts gets 2x fibers heavy lifting gets 2a and endurance training like running gets the type 1 fibers, you can recruit all finer types but cannot be great in all of them, for me I train all 3 but focus on type 2x and 2a fibers instead of type 1, this means I’ve got more muscle mass and explosiveness instead of endurance. Still I have decent endurance but I’m more on the explosiveness and strength side of things
What is the source of evidence that indicates type to A and B can be convert into each other? Disregard this question I found the answer at the following linkwww.ncbi.nlm.nih.gov/pmc/articles/PMC8473039/#:~:text=Evidence%20suggests%20that%20muscle%20fibers,fibers%2C%20and%20between%20fiber%20types.
No dude being skinny doesn’t mean u have slow twitch fibres most people like to believe that because marathon runner are skinny almost muscle fibre are basically genetic and the thing abt it is it come with all type of body marathon runner are usually skinny because they mainly focus on activity that developed up slow muscle fiber
@@ahadzx8875 I think you are correct, and multiple sarcomeres are then stacked and connected one after another within the myofibrils, as far as I know so far.
