lecture_notes_13_(ta)

lecture_notes_13_(ta) - Lecture 13 Motor Systems II(TA...

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Lecture 13: Motor Systems II (TA NOTES IN RED AT END OF LECTURE 14 . PLEASE NOTE THAT I AM USING AN OLD VERSION OF THE LECTURE NOTES. FIGURE AND PAGE NUMBERS REFER TO THE FIFTH EDITION OF OUR TEXT…) Reading: chapter 5, section: spinal cord, pgs 147-15162-1690 (pgs 147-150, if using 3 rd edition) chapter 5, section: cerebral cortex, pgs 137-140 (pgs 125-127, if using 3 rd edition) chapter 5, section: cerebellum, pgs 156-158 (pgs 140-141, if using 3 rd edition) Central Motor System The central motor system can be divided into several major structures, each of which can carry out specific controls of the skeletal musculature. Spinal Cord - As mentioned earlier, the spinal cord is segmentally organized, with each segment containing motor neurons projecting to specific skeletal muscles on the same (ipsilateral) side of the body (Figure 5-32,5-33) . Primary Motor Cortex - The primary motor cortex, located on the precentral gyrus, contains a somatotopic map of the skeletal musculature (Figure 5-13)
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lecture_notes_13_(ta) - Lecture 13 Motor Systems II(TA...

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