Mechanoreceptive Sensations PDF
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This document provides a table of modalities of mechanoreceptive sensations. It details definitions, receptors, afferent pathways, and sensory examination methods. The document appears to be part of a larger text describing human physiology.
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Tabl e(4)Modal it iesofMechanor ecept iveSensat ions Def ini ti on...
Tabl e(4)Modal it iesofMechanor ecept iveSensat ions Def ini ti on Recept or Af fer ent& Sensor y Pat hway exami nat ion Super fi cialsensat ions Cr udet ouch Feel i ngofclot hes Fr eenerv eendi ng A Pi eceofcot ton andhai rcomb &Hai rendor gan Vent ral ST Abi l ityt oper cei ve Pacci nian&spr ay A Wei ght spl acedon Cr udepr essur e wei ghts ty peendings. hand Vent ral ST DeepSensat ions * Feel i ngv ibr ati ng Pacci nian Abeta TuningFork Vi brat ion t uni ngfork cor puscle Dor sal umn. pl col acedonbony * Earl ydiagnost ic 500c/sec prominences i ndegenerat ionof Meissner80c/ sec dor sal col umn 1. Stat icposi ti on 1. Slowl yadapt ing Aα Abi l ityt oident if y Joi ntPosi ti on sense: consci ous Muscl espi ndl es Dor sal Col umn l i mbposi ti onand awar enessof Gol git endon mov ement angl eofj oint s or gans 2. Kinet icposi ti on 2. Rapi dlyadapt ing sense: awar eness Pacci nian ofr ateof cor puscl es mov ement Abi l ityt o Pacci nian Abet a Compar e Fi nepr essur e Di scr imi nat e cor puscl esand Dor sal umn. di col ff erentwei ghts bet weenwei ght s spr ayt ype pl acedonpalm of endi ngs hand Cor ti calSensat ions St ereognosi s Abi l ityt o Mi xtur eoft act il e Abet a Fami l iarobj ect r ecogni zeobj ect s Recept ors Dor sal umn. pl col acedi npal m of i nhandwit heyes thehand cl osedbyt ouch Abi l ityt o Mi xtur eoft act il e Abet a Dr awi ngnumber s Gr aphast hesi a r ecogni ze Recept ors Dor sal umn. onpal col m ofhand sy mbol str aced onski n Tact il e Abi l ityt olocal i ze Mei ssner’ s& Abet a Touchski nby Local izat ion t heexactsi teof Mer kels Dor sal umn. bl col untendofapi n t act il est imul i * Abi l ityt odet ect Mei ssner ’s & Abet a Touch par t s of t wot ouched Mer kel s bodybyTwopoi nt Twopoi nt Dor sal col umn. caliper t hen poi ntsappl i edt o gradually r educe di scr imi nat ion t heski nast wo distance bet ween separ atepoi nts. the t wo poi nts with an ai m t o * Measur edby i dent if y the t hreshol d thresholdatwhi ch thepat ientcannot di stance( shor test differ ent i ate atl i ps&f inger between a si ngle t ipsandl argestat or t wo poi nt stimulus. back) Text ure Abi l ityt o Mei ssner ’s& Abet a Touch& Recogni ti on r ecogni zet ext ure Mer kel s Dor sal umn. di col ff erent iat e ofmat eri als mater ial stext ure, eg.Si l k,wool
