Sensibility of tactile discrimination between the fingers of the dominant and non-dominant hands
Authors: Spasojević Olivera P , Obradović Zoran 
Published: February 2014

&lt;p&gt;&lt;strong&gt;&lt;span id=&quot;page11R_mcid892&quot; class=&quot;markedContent&quot;&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 118.11px; top: 388.413px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.16832);&quot; role=&quot;presentation&quot;&gt;Introduction&lt;/span&gt;&lt;/span&gt;&lt;/strong&gt;&lt;span id=&quot;page11R_mcid893&quot; class=&quot;markedContent&quot;&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 214.361px; top: 388.413px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.08144);&quot; role=&quot;presentation&quot;&gt;&lt;strong&gt;.&lt;/strong&gt; Uninjured fingers of the opposite hand are often used to control the recovery of sensibility &lt;/span&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid894&quot; class=&quot;markedContent&quot;&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 118.11px; top: 408.413px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.11004);&quot; role=&quot;presentation&quot;&gt;in injured fingertips. The aim of this study is to examine the sensitivity of the surface on the fingertips &lt;/span&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid895&quot; class=&quot;markedContent&quot;&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 118.11px; top: 428.413px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.11839);&quot; role=&quot;presentation&quot;&gt;between the dominant and non-dominant hand using static and dynamic two-point discrimination test &lt;/span&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid896&quot; class=&quot;markedContent&quot;&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 118.11px; top: 448.413px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.10169);&quot; role=&quot;presentation&quot;&gt;and determine if there are significant differences in sensibility between the fingers of the dominant and&lt;/span&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid897&quot; class=&quot;markedContent&quot;&gt;&lt;br role=&quot;presentation&quot; /&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 118.11px; top: 468.413px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.13252);&quot; role=&quot;presentation&quot;&gt;non-dominant hands.&lt;/span&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid898&quot; class=&quot;markedContent&quot;&gt;&lt;br role=&quot;presentation&quot; /&gt;&lt;strong&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 118.11px; top: 497.862px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.15857);&quot; role=&quot;presentation&quot;&gt;Methods&lt;/span&gt;&lt;/strong&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid899&quot; class=&quot;markedContent&quot;&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 185.688px; top: 497.862px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.09827);&quot; role=&quot;presentation&quot;&gt;&lt;strong&gt;.&lt;/strong&gt; The research was done on 50 persons (500 fingers) using two-point test for measuring tactile &lt;/span&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid900&quot; class=&quot;markedContent&quot;&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 118.11px; top: 517.862px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.09072);&quot; role=&quot;presentation&quot;&gt;discrimination of fingers (two-point discrimination test - 2PD). 2PD test is the most widely used test for &lt;/span&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid901&quot; class=&quot;markedContent&quot;&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 118.11px; top: 537.862px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.10069);&quot; role=&quot;presentation&quot;&gt;the control of sensory recovery after nerve injury. Dynamic and static two-point discrimination method &lt;/span&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid902&quot; class=&quot;markedContent&quot;&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 118.11px; top: 557.862px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.12526);&quot; role=&quot;presentation&quot;&gt;was used.&lt;/span&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid903&quot; class=&quot;markedContent&quot;&gt;&lt;br role=&quot;presentation&quot; /&gt;&lt;strong&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 118.11px; top: 587.311px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.15009);&quot; role=&quot;presentation&quot;&gt;Results&lt;/span&gt;&lt;/strong&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid904&quot; class=&quot;markedContent&quot;&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 174.556px; top: 587.311px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.10847);&quot; role=&quot;presentation&quot;&gt;&lt;strong&gt;.&lt;/strong&gt; Using the static two-point discrimination test, we found out that the highest sensibility was in &lt;/span&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid905&quot; class=&quot;markedContent&quot;&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 118.11px; top: 607.311px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.0752);&quot; role=&quot;presentation&quot;&gt;the index finger in both the dominant and non-dominant hand (dominant, 2.78 &amp;plusmn; 0.78 mm, non-dominant, &lt;/span&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid906&quot; class=&quot;markedContent&quot;&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 118.11px; top: 627.311px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.08022);&quot; role=&quot;presentation&quot;&gt;2.82 &amp;plusmn; 0.75 mm) and the lowest sensitivity of the little finger (dominant: 3.18 &amp;plusmn; 0.88 mm, non-dominant:&lt;/span&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid907&quot; class=&quot;markedContent&quot;&gt;&lt;br role=&quot;presentation&quot; /&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 118.11px; top: 647.311px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.11017);&quot; role=&quot;presentation&quot;&gt;3.01 &amp;plusmn; 0.71 mm). Using the dynamic discrimination test, we found out that the most sensitivity was of &lt;/span&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid908&quot; class=&quot;markedContent&quot;&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 118.11px; top: 667.311px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.09253);&quot; role=&quot;presentation&quot;&gt;the index finger (dominant, 2.44 &amp;plusmn; 0.71 mm, non-dominant, 2.42 &amp;plusmn; 0.52 mm) and the lowest of the little &lt;/span&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid909&quot; class=&quot;markedContent&quot;&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 118.11px; top: 687.311px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.05865);&quot; role=&quot;presentation&quot;&gt;finger (dominant, 2.67 &amp;plusmn; 0.88 mm, non-dominant, 2.66 &amp;plusmn; 0.71 mm). Overall, using t-test at the significance &lt;/span&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid910&quot; class=&quot;markedContent&quot;&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 118.11px; top: 707.311px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.08968);&quot; role=&quot;presentation&quot;&gt;level of p = 0.05, there was no significant difference in the sensitivity of the fingers in pairs between the &lt;/span&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid911&quot; class=&quot;markedContent&quot;&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 118.11px; top: 727.311px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.13617);&quot; role=&quot;presentation&quot;&gt;dominant and non-dominant hand.&lt;/span&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid912&quot; class=&quot;markedContent&quot;&gt;&lt;br role=&quot;presentation&quot; /&gt;&lt;strong&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 118.11px; top: 756.76px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.14596);&quot; role=&quot;presentation&quot;&gt;Conclusion&lt;/span&gt;&lt;/strong&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid913&quot; class=&quot;markedContent&quot;&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 205.122px; top: 756.76px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.11729);&quot; role=&quot;presentation&quot;&gt;&lt;strong&gt;. &lt;/strong&gt;The difference in sensitivity was not statistically significant between pairs of fingers and &lt;/span&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid914&quot; class=&quot;markedContent&quot;&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 118.11px; top: 776.76px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.10839);&quot; role=&quot;presentation&quot;&gt;toes of the surveyed sensibility between the dominant and non-dominant hand (p&amp;gt; 0.05). Therefore, in &lt;/span&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid915&quot; class=&quot;markedContent&quot;&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 118.11px; top: 796.76px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.11872);&quot; role=&quot;presentation&quot;&gt;order to monitor the recovery of sensibility, the sensibility of injured fingertips can be compared with &lt;/span&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid916&quot; class=&quot;markedContent&quot;&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 118.11px; top: 816.76px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.10471);&quot; role=&quot;presentation&quot;&gt;the sensibility in fingers of opposite healthy hand.&lt;/span&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid917&quot; class=&quot;markedContent&quot;&gt;&lt;br role=&quot;presentation&quot; /&gt;&lt;strong&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 118.11px; top: 846.208px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.13552);&quot; role=&quot;presentation&quot;&gt;Keywords&lt;/span&gt;&lt;/strong&gt;&lt;/span&gt;&lt;span id=&quot;page11R_mcid918&quot; class=&quot;markedContent&quot;&gt;&lt;span dir=&quot;ltr&quot; style=&quot;left: 195.894px; top: 846.208px; font-size: 16.6667px; font-family: serif; transform: scaleX(1.10231);&quot; role=&quot;presentation&quot;&gt;&lt;strong&gt;:&lt;/strong&gt; tactile discrimination, two-point test, the sensitivity of fingers, hand dominance&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;