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buffalo buffalo
wrote...
12 years ago
Trace the nerve impulse, listing the “macroscopic” anatomical structures and steps in as much detail as possible, from which your brain sends the message to the appropriate muscles to step up one step.  
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wrote...
Educator
12 years ago
Hey Buffalo,

First I recommend you check these resources out:

http://www.exrx.net/Lists/Articulations.html
View the detailed motions, muscle actions, joints for the entire body. Film clips of specific movements and all joints and muscle actions involved.

http://pathology.mc.duke.edu/neuropath/nawr/motor-systems.html
View the animation for a detailed trace of how muscle fibers are ultimately stimulated to contract.

<a rel="nofollow" href="https://http://www.wiley.com/college/pratt/0471393878/student/animations/actin_myosin/actin_myosin.swf" target="_blank">https://http://www.wiley.com/college/pratt/0471393878/student/animations/actin_myosin/actin_myosin.swf</a>
Link to a narrated animation of actin and myosin and their interaction during a muscle contraction.

http://www.blackwellpublishing.com/matthews/myosin.html
Link to an interactive site illustrating the mechanism of a filament sliding during the contraction of a myofibril.

After you've done that, this question has been answered before, by me Smiling Face with Open Mouth, check out this link:

https://biology-forums.com/index.php?topic=2878.0

Also, see the attachment, it's helpful.

Please mark this as solved if I've answered your question.
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