Kinesiology 3480A/B Lecture Notes - Lecture 1: Sepak Takraw, Intrafusal Muscle Fiber, Semicircular Canals
19 Dec 2015
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Document Summary
Proprioception is the sense of the relative positioning of neighboring body parts. Intrafusal muscle fibers detect the amount and rate of change in length of a muscle. There is therefore a sense of muscle stretch that provides info about position to our brain. The vestibular system is composed of mechanisms within the ear (semi-circular canals) that determine where our head is relative to our body. Vision also functions in conjunction with these mechanisms. A pallidotomy (for parkinson"s disease) is a procedure where one undergoes a lesioning of the brain. A probe is used at 60 degrees to kill brain cells in the particular structure. A raster plot is the plot of the activity of a neuron. The brain is highly specialized and has many types of cells/neurons. A border-neuron has slight involvement in an action potential. Motor learning: set of internal processes associated with practice/experience leading to a relatively permanent gain in performance capability.
