{"id":19319,"date":"2024-03-06T10:29:34","date_gmt":"2024-03-06T18:29:34","guid":{"rendered":"https:\/\/www.vernier.com\/til\/?p=19319"},"modified":"2025-11-18T15:24:20","modified_gmt":"2025-11-18T23:24:20","slug":"how-do-i-use-the-x-axis-and-y-axis-balance-channels-on-my-go-direct-force-plate","status":"publish","type":"post","link":"https:\/\/www.vernier.com\/til\/19319","title":{"rendered":"How do I use the X-axis and Y-axis Balance channels on a Go Direct Force Plate?"},"content":{"rendered":"<p>The X-axis Balance and Y-axis Balance sensor channels of the <a href=\"\/product\/go-direct-force-plate\/\">Go Direct<sup>&reg;<\/sup> Force Plate<\/a> (<nobr>GDX-FP<\/nobr>) are designed to be used together to provide a tool to visualize a student&#8217;s efforts to maintain steady balance. The pattern shown on the Y-axis Balance <em>vs.<\/em> X-axis Balance graph provides a relative indication of stability while standing on the force plate. Calculating the standard deviation of the Y-axis Balance data and calculating the area under the Y-axis <em>vs.<\/em> X-axis Balance data can provide a quantification of stability. <\/p>\n<h2 class=\"wp-block-heading\">Some things to test<\/h2>\n<ul class=\"wp-block-list\">\n<li>Compare the relative stability for test subjects standing with eyes open <em>vs.<\/em> eyes closed.<\/li>\n<li>Compare the relative stability for test subjects standing with arms down at their sides <em>vs.<\/em> arms extended (in various directions).<\/li>\n<li>Compare the relative stability for test subjects standing on one foot (one foot <em>vs.<\/em> two feet, left foot <em>vs.<\/em> right foot, and with eyes opened <em>vs.<\/em> eyes closed).<em><strong> <\/strong><\/em><\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">Instructions for setting up and collecting data<\/h2>\n<p>Expand the section that matches the software you are using, then follow the instructions provided.<\/p>\n<style>.kt-accordion-id19319_56b2ce-4c .kt-accordion-inner-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:8px;}.kt-accordion-id19319_56b2ce-4c .kt-accordion-panel-inner{border-top:1px solid #f79b2e;border-right:1px solid #f79b2e;border-bottom:1px solid #f79b2e;border-left:1px solid #f79b2e;padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px;}.kt-accordion-id19319_56b2ce-4c > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header{border-top:1px solid #cdcdc9;border-right:1px solid #cdcdc9;border-bottom:1px solid #cdcdc9;border-left:1px solid #cdcdc9;border-top-left-radius:2px;border-top-right-radius:2px;border-bottom-right-radius:2px;border-bottom-left-radius:2px;background:#cce8ea;font-size:18px;line-height:24px;color:#007377;padding-top:10px;padding-right:14px;padding-bottom:10px;padding-left:14px;}.kt-accordion-id19319_56b2ce-4c:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id19319_56b2ce-4c:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap .kt-blocks-accordion-icon-trigger:before{background:#007377;}.kt-accordion-id19319_56b2ce-4c:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-icon-trigger{background:#007377;}.kt-accordion-id19319_56b2ce-4c:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id19319_56b2ce-4c:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-icon-trigger:before{background:#cce8ea;}.kt-accordion-id19319_56b2ce-4c > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header:hover, \n\t\t\t\tbody:not(.hide-focus-outline) .kt-accordion-id19319_56b2ce-4c .kt-blocks-accordion-header:focus-visible{color:#007377;background:#e6e6e4;border-top:1px solid #66bac0;border-right:1px solid #66bac0;border-bottom:1px solid #66bac0;border-left:1px solid #66bac0;}.kt-accordion-id19319_56b2ce-4c:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id19319_56b2ce-4c:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:before, body:not(.hide-focus-outline) .kt-accordion-id19319_56b2ce-4c:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-blocks-accordion--visible .kt-blocks-accordion-icon-trigger:after, body:not(.hide-focus-outline) .kt-accordion-id19319_56b2ce-4c:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger:before{background:#007377;}.kt-accordion-id19319_56b2ce-4c:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger, body:not(.hide-focus-outline) .kt-accordion-id19319_56b2ce-4c:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger{background:#007377;}.kt-accordion-id19319_56b2ce-4c:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id19319_56b2ce-4c:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:before, body:not(.hide-focus-outline) .kt-accordion-id19319_56b2ce-4c:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger:after, body:not(.hide-focus-outline) .kt-accordion-id19319_56b2ce-4c:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger:before{background:#e6e6e4;}.kt-accordion-id19319_56b2ce-4c .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible,\n\t\t\t\t.kt-accordion-id19319_56b2ce-4c > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active{color:#f79b2e;background:#444444;border-top:1px solid #f79b2e;border-right:1px solid #f79b2e;border-bottom:1px solid #f79b2e;border-left:1px solid #f79b2e;}.kt-accordion-id19319_56b2ce-4c:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id19319_56b2ce-4c:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:before{background:#f79b2e;}.kt-accordion-id19319_56b2ce-4c:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger{background:#f79b2e;}.kt-accordion-id19319_56b2ce-4c:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id19319_56b2ce-4c:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:before{background:#444444;}@media all and (max-width: 1024px){.kt-accordion-id19319_56b2ce-4c .kt-accordion-panel-inner{border-top:1px solid #f79b2e;border-right:1px solid #f79b2e;border-bottom:1px solid #f79b2e;border-left:1px solid #f79b2e;}}@media all and (max-width: 1024px){.kt-accordion-id19319_56b2ce-4c > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header{border-top:1px solid #cdcdc9;border-right:1px solid #cdcdc9;border-bottom:1px solid #cdcdc9;border-left:1px solid #cdcdc9;}}@media all and (max-width: 1024px){.kt-accordion-id19319_56b2ce-4c > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header:hover, \n\t\t\t\tbody:not(.hide-focus-outline) .kt-accordion-id19319_56b2ce-4c .kt-blocks-accordion-header:focus-visible{border-top:1px solid #66bac0;border-right:1px solid #66bac0;border-bottom:1px solid #66bac0;border-left:1px solid #66bac0;}}@media all and (max-width: 1024px){.kt-accordion-id19319_56b2ce-4c .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible,\n\t\t\t\t.kt-accordion-id19319_56b2ce-4c > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active{border-top:1px solid #f79b2e;border-right:1px solid #f79b2e;border-bottom:1px solid #f79b2e;border-left:1px solid #f79b2e;}}@media all and (max-width: 767px){.kt-accordion-id19319_56b2ce-4c .kt-accordion-inner-wrap{display:block;}.kt-accordion-id19319_56b2ce-4c .kt-accordion-inner-wrap .kt-accordion-pane:not(:first-child){margin-top:8px;}.kt-accordion-id19319_56b2ce-4c .kt-accordion-panel-inner{border-top:1px solid #f79b2e;border-right:1px solid #f79b2e;border-bottom:1px solid #f79b2e;border-left:1px solid #f79b2e;}.kt-accordion-id19319_56b2ce-4c > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header{border-top:1px solid #cdcdc9;border-right:1px solid #cdcdc9;border-bottom:1px solid #cdcdc9;border-left:1px solid #cdcdc9;}.kt-accordion-id19319_56b2ce-4c > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header:hover, \n\t\t\t\tbody:not(.hide-focus-outline) .kt-accordion-id19319_56b2ce-4c .kt-blocks-accordion-header:focus-visible{border-top:1px solid #66bac0;border-right:1px solid #66bac0;border-bottom:1px solid #66bac0;border-left:1px solid #66bac0;}.kt-accordion-id19319_56b2ce-4c .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible,\n\t\t\t\t.kt-accordion-id19319_56b2ce-4c > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active{border-top:1px solid #f79b2e;border-right:1px solid #f79b2e;border-bottom:1px solid #f79b2e;border-left:1px solid #f79b2e;}}<\/style>\n<div class=\"wp-block-kadence-accordion alignnone\">\n<div class=\"kt-accordion-wrap kt-accordion-id19319_56b2ce-4c kt-accordion-has-2-panes kt-active-pane-0 kt-accordion-block kt-pane-header-alignment-left kt-accodion-icon-style-xclose kt-accodion-icon-side-right\" style=\"max-width:none\">\n<div class=\"kt-accordion-inner-wrap\" data-allow-multiple-open=\"false\" data-start-open=\"none\">\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-1 kt-pane19319_c4b0c8-5d\">\n<div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">Using <strong>Graphical Analysis<\/strong> or <strong>Graphical Analysis Pro<\/strong><\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div>\n<div class=\"kt-accordion-panel kt-accordion-panel-hidden\">\n<div class=\"kt-accordion-panel-inner\">\n<h3 class=\"wp-block-heading\">Set up the Sensor Channels<\/h3>\n<ol class=\"wp-block-list\">\n<li>Launch Graphical Analysis, choose Sensor Data Collection, and connect your sensor.<\/li>\n<li>From the Sensors dialog box, click or tap Sensor Channels to view the sensor channel options.  <br \/>(If the Sensors dialog box is not showing, click or tap Sensor Setup, <img loading=\"lazy\" decoding=\"async\" width=\"30\" height=\"23\" class=\"wp-image-5809\" style=\"width: 30px;\" src=\"https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2020\/02\/007-setup-sensor-icon.png\" alt=\"\">, to display the dialog.)<\/li>\n<li>Turn on the <strong>X-axis Balance<\/strong> and <strong>Y-axis Balance<\/strong> channels and turn off the <strong>Force<\/strong> channel.<br \/>(The Balance sensor channels are only available when the Go Direct Force Plate\u2019s User Profile is configured for <strong>Physiology<\/strong>. If the list of sensor channels does not include the X-axis and Y-axis Balance channels, you will need to reconfigure your Go Direct Force Plate. For instructions, see <a href=\"\/til\/19031\/\">How do I switch between Physics and Physiology Sensor Channels on my Go Direct Force Plate?<\/a>)<\/li>\n<li>Click or tap <img loading=\"lazy\" decoding=\"async\" width=\"55\" height=\"30\" class=\"wp-image-5880\" style=\"width: 55px;\" src=\"https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2020\/02\/Done-Button.png\" alt=\"\"> to set up the sensor.<\/li>\n<\/ol>\n<h3 class=\"wp-block-heading\">Adjust the Settings<\/h3>\n<ol start=\"5\" class=\"wp-block-list\">\n<li>Click or tap Mode and change the sample rate to 10 samples per second and the end collection duration to 60 seconds.<\/li>\n<li>Click or tap View Options, <img loading=\"lazy\" decoding=\"async\" width=\"30\" height=\"30\" class=\"wp-image-19376\" style=\"width: 30px;\" src=\"https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2024\/03\/ga027-View-menu-icon.png\" alt=\"\">, and turn on Meters.<\/li>\n<li>Click or tap the x-axis label, <img loading=\"lazy\" decoding=\"async\" width=\"60\" height=\"29\" class=\"wp-image-19378\" style=\"width: 60px;\" src=\"https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2024\/03\/113-Axes-Label-button.png\" alt=\"\">, and select to plot <strong>X-axis Balance <\/strong>on this axis.<\/li>\n<li>Click or tap the y-axis label to access the plot manager. Adjust the selection so that only <strong>Y-axis Balance<\/strong> is selected.<\/li>\n<li>Click or tap Graph Options, <img loading=\"lazy\" decoding=\"async\" width=\"30\" height=\"30\" class=\"wp-image-19377\" style=\"width: 30px;\" src=\"https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2024\/03\/ga019-Graph-Tools-icon.png\" alt=\"\">, select Edit Graph Options, then make the following changes:\n<ul class=\"wp-block-list\">\n<li>Under Appearance, turn on <strong>Points<\/strong> and turn off <strong>Lines<\/strong>.<\/li>\n<li>Change the x-axis range to <strong>-100<\/strong> (Left) and <strong>100<\/strong> (Right).<\/li>\n<li>Change the x-axis Scaling to <strong>Manual<\/strong>.<\/li>\n<li>Verify the Left y-axis range is <strong>-100<\/strong> (Bottom) and <strong>100<\/strong> (Top). Make changes if necessary.<\/li>\n<li>Change the Left y-axis Scaling to <strong>Manual<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<li>Click or tap Close, \u2716.<\/li>\n<li>Adjust the width of the graph to make the boxes marking the regions on the graph squares and not rectangles.<\/li>\n<\/ol>\n<h3 class=\"wp-block-heading\">Calibrate the Balance Channels<\/h3>\n<ol start=\"12\" class=\"wp-block-list\">\n<li>Have the test subject stand in the middle of the force plate. The test subject&#8217;s toes should be pointing towards the side of the Force Plate where the power button and USB port are located.<\/li>\n<li>Click or tap either the X-axis or Y-axis Balance meter (located on the bottom bar next to <img loading=\"lazy\" decoding=\"async\" width=\"30\" height=\"23\" class=\"wp-image-5809\" style=\"width: 30px;\" src=\"https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2020\/02\/007-setup-sensor-icon.png\" alt=\"\">), and select Calibrate. <em>(<strong>Note:<\/strong> both channels are calibrated at the same time.)<\/em><\/li>\n<li>Remind the test subject to remain still while the sensor calibrates, then click or tap Calibrate Now and wait for the sensor calibration to complete (~10 seconds).<\/li>\n<li>Click or tap <img loading=\"lazy\" decoding=\"async\" width=\"55\" height=\"30\" class=\"wp-image-5880\" style=\"width: 55px;\" src=\"https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2020\/02\/Done-Button.png\" alt=\"\"> to complete the calibration.<\/li>\n<\/ol>\n<h3 class=\"wp-block-heading\">Collect and Analyze Data<\/h3>\n<ol start=\"16\" class=\"wp-block-list\">\n<li>Have the test subject stand on the Force Plate with their toes pointing towards the side of the Force Plate where the power button and USB port are located.<\/li>\n<li>Click or tap <img loading=\"lazy\" decoding=\"async\" width=\"75\" height=\"29\" class=\"wp-image-19380\" style=\"width: 75px;\" src=\"https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2024\/03\/ga010-Collect-Button.png\" alt=\"\">, and allow data collection to complete. The pattern on the graph will show the relative stability of the test subject as they stand on the force plate.<\/li>\n<li>Click or tap Graph Options, <img loading=\"lazy\" decoding=\"async\" width=\"30\" height=\"30\" class=\"wp-image-19377\" style=\"width: 30px;\" src=\"https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2024\/03\/ga019-Graph-Tools-icon.png\" alt=\"\">, and select View Statistics. The standard deviation (Std dev) of the Y-axis Balance can be used to quantify relative stability.<\/li>\n<li>Click or tap Graph Options, <img loading=\"lazy\" decoding=\"async\" width=\"30\" height=\"30\" class=\"wp-image-19377\" style=\"width: 30px;\" src=\"https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2024\/03\/ga019-Graph-Tools-icon.png\" alt=\"\">, and select View Integral. The integral value can also be used to quantify relative stability.<\/li>\n<li>Repeat steps 16\u221219 varying the conditions of the test (eyes closed, standing on one foot, etc.). Data from previous trials are automatically saved. <\/li>\n<li>Repeat steps 12\u221220 when testing different subjects.<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-2 kt-pane19319_8ac2dd-9b\">\n<div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">Using <strong>LabQuest App<\/strong> (LabQuest 2 or LabQuest 3)<\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div>\n<div class=\"kt-accordion-panel kt-accordion-panel-hidden\">\n<div class=\"kt-accordion-panel-inner\">\n<h3 class=\"wp-block-heading\">Set up the Sensor Channels<\/h3>\n<ol class=\"wp-block-list\">\n<li>Turn on your LabQuest and choose New from the File menu.<\/li>\n<li>Connect your sensor to your LabQuest. (To connect the sensor via Bluetooth, choose Wireless Device Setup from the Sensors menu, then select Go Direct. Select your sensor from the list of available sensors.)<\/li>\n<li>Tap the Force meter and select Sensor Channels.<\/li>\n<li>Turn on the <strong>X-axis Balance<\/strong> and <strong>Y-axis Balance<\/strong> channels and turn off the <strong>Force<\/strong> channel.<br \/>(The Balance sensor channels are only available when the Go Direct Force Plate\u2019s User Profile is configured for <strong>Physiology<\/strong>. If the list of sensor channels does not include the X-axis and Y-axis Balance channels, you will need to reconfigure your Go Direct Force Plate. For instructions, see <a href=\"\/til\/19031\/\">How do I switch between Physics and Physiology Sensor Channels on my Go Direct Force Plate?<\/a>)<\/li>\n<li>Click or tap OK to set up the sensor.<\/li>\n<\/ol>\n<h3 class=\"wp-block-heading\">Adjust the Settings<\/h3>\n<ol start=\"6\" class=\"wp-block-list\">\n<li>Tap Mode to view the data-collection settings and make the following changes:\n<ul class=\"wp-block-list\">\n<li>Change the Rate to <strong>10<\/strong> samples per second.<\/li>\n<li>Change the Duration to <strong>60<\/strong> seconds.<\/li>\n<\/ul>\n<\/li>\n<li>Tap OK to save the settings.<\/li>\n<li>Tap the Graph View tab, <img loading=\"lazy\" decoding=\"async\" width=\"30\" height=\"30\" class=\"wp-image-8463\" style=\"width: 30px;\" src=\"https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2020\/08\/lq-tab-graph-border@2x.png\" alt=\"\" srcset=\"https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2020\/08\/lq-tab-graph-border@2x.png 105w, https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2020\/08\/lq-tab-graph-border@2x-90x90.png 90w\" sizes=\"auto, (max-width: 30px) 100vw, 30px\" \/>, to switch to the Graph screen.<\/li>\n<li>Choose Graph Options from the Graph menu and make the following changes:\n<ul class=\"wp-block-list\">\n<li>Select the <strong>Manual<\/strong> scaling option.<\/li>\n<li>Change the X-Axis column to <strong>X-Axis Balance<\/strong>.<\/li>\n<li><strong>For LabQuest 3: <\/strong>Change the Left value to <strong>-187.5<\/strong> and the Right value to <strong>187.5<\/strong>.<\/li>\n<li><strong>For LabQuest 2:<\/strong> Change the Left value to <strong>-153<\/strong> and the Right value to <strong>153<\/strong>.<\/li>\n<li>Verify the Top value is <strong>100<\/strong> and the Bottom value is <strong>-100<\/strong>. Make changes if necessary.<\/li>\n<li>Make sure only the <strong>Y-axis Balance<\/strong> column is selected to show on Graph 1 Y-Axis.<\/li>\n<li>Uncheck <strong>Connect Points<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<li>Tap OK to save the changes.<\/li>\n<\/ol>\n<h3 class=\"wp-block-heading\">Calibrate the Balance Channels<\/h3>\n<ol start=\"11\" class=\"wp-block-list\">\n<li>Tap the Meter View tab, <img loading=\"lazy\" decoding=\"async\" width=\"30\" height=\"30\" class=\"wp-image-8462\" style=\"width: 30px;\" src=\"https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2020\/08\/lq-tab-meter-border@2x.png\" alt=\"\" srcset=\"https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2020\/08\/lq-tab-meter-border@2x.png 105w, https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2020\/08\/lq-tab-meter-border@2x-90x90.png 90w\" sizes=\"auto, (max-width: 30px) 100vw, 30px\" \/>, to return to the Meter screen.<\/li>\n<li>Have the test subject stand in the middle of the force plate. The test subject&#8217;s toes should be pointing towards the side of the Force Plate where the power button and USB port are located.<\/li>\n<li>Tap either the X-axis or Y-axis Balance meter, and select Calibrate. <em>(<strong>Note:<\/strong> both channels are calibrated at the same time.)<\/em><\/li>\n<li>Remind the test subject to remain still while the sensor calibrates, then tap Calibrate Now and wait for the sensor calibration to complete (~10 seconds).<\/li>\n<li>Tap OK to complete the calibration.<\/li>\n<\/ol>\n<h3 class=\"wp-block-heading\">Collect and Analyze Data<\/h3>\n<ol start=\"16\" class=\"wp-block-list\">\n<li>Have the test subject stand on the Force Plate with their toes pointing towards the side of the Force Plate where the power button and USB port are located.<\/li>\n<li>Tap Collect, <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"18\" class=\"wp-image-8468\" style=\"width: 20px;\" src=\"https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2020\/08\/lq-collect@2x.png\" alt=\"\">, and allow data collection to complete. The pattern on the graph will show the relative stability of the test subject as they stand on the force plate.<\/li>\n<li>Choose Statistics from the Analyze menu and select Y-axis Balance. The standard deviation (std. dev) of the Y-axis Balance data can be used to quantify relative stability.<\/li>\n<li>Choose Integral from the Analyze menu and select Y-axis Balance. The integral value can also be used to quantify relative stability.<\/li>\n<li>Repeat steps 16\u221219 varying the conditions of the test (eyes closed, standing on one foot, etc.). Before each new trial, tap Store Run, <img loading=\"lazy\" decoding=\"async\" width=\"30\" height=\"31\" class=\"wp-image-8491\" style=\"width: 30px;\" src=\"https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2020\/08\/lq-store-run@2x.png\" alt=\"\">, to store the data from the previous trial; otherwise, your previous data will be overwritten.<\/li>\n<li>Repeat steps 11\u221220 for each test subject.<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<h3 class=\"wp-block-heading\">Tips for collecting good data.<\/h3>\n<ul class=\"wp-block-list\">\n<li>Make sure the test subject stands in the center of the force plate with their toes pointing towards the side of the Force Plate where the power button and USB port are located.<\/li>\n<li>Be sure to calibrate the Balance channels for each new test subject.<\/li>\n<li>To reduce the chance of injury from falling during data collection, be sure to assign one or more students to be a spotter for the test subject, especially when testing balance with eyes closed or standing on one foot.<\/li>\n<\/ul>\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<h2 class=\"wp-block-heading\">How is the Balance Data Calculated?<\/h2>\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>The surface of the force plate is modeled as a Cartesian&nbsp;coordinate plane as shown in the diagram.&nbsp;The X position balance and Y position balance values are calculated using the magnitude of the (scaled) force vectors V1, V2, V3, and V4. <\/p>\n<p>The Balance values are calculated as follows:<\/p>\n<ul class=\"wp-block-list\">\n<li>X-axis Balance = (V1&nbsp;+ V4) \u2212 (V2&nbsp;+ V3)<\/li>\n<li>Y-axis Balance = (V1&nbsp;+&nbsp;V2) \u2212 (V3 + V4)&nbsp;<\/li>\n<\/ul>\n<\/div>\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"935\" height=\"1024\" src=\"https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2024\/03\/image-5-935x1024.png\" alt=\"\" class=\"wp-image-19327\" srcset=\"https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2024\/03\/image-5-935x1024.png 935w, https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2024\/03\/image-5-548x600.png 548w, https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2024\/03\/image-5-768x841.png 768w, https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2024\/03\/image-5.png 1160w\" sizes=\"auto, (max-width: 935px) 100vw, 935px\" \/><\/figure>\n<\/div>\n<\/div>\n<h2 class=\"wp-block-heading\">What does the Balance channel calibration do?<\/h2>\n<p>During calibration, about 10 seconds of Force sensor&nbsp;data are collected for each force vector (see above). The calibration performs two corrections using this data.&nbsp;First, it calculates an offset to align the test subject&#8217;s resting position to the origin.&nbsp;Second, it uses the total force reading to calculate a scale factor.&nbsp;The scale factor ensures the X-axis and Y-axis Balance values remain virtually mapped to the grid, even under maximum deflection in any direction.<\/p>\n<p>For your convenience we have created a template file set up for this activity. Connect your Go Direct Force Plate, select the X-axis Balance and Y-axis Balance channels and then open this file:<\/p>\n<div class=\"wp-block-file\"><a id=\"wp-block-file--media-06d555c1-0d74-4d09-ba77-ac011dc71ef7\" href=\"https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2024\/03\/Balance-Template.gambl\">Balance-Template<\/a><a href=\"https:\/\/www.vernier.com\/til\/wp-content\/uploads\/sites\/2\/2024\/03\/Balance-Template.gambl\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-06d555c1-0d74-4d09-ba77-ac011dc71ef7\">Download<\/a><\/div>\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<h3 class=\"wp-block-heading\">Related Information<\/h3>\n<ul class=\"wp-block-list\">\n<li><a href=\"\/til\/18853\/\">Go Direct Force Plate Troubleshooting and FAQs<\/a><\/li>\n<li><a href=\"\/til\/19031\/\">How do I switch between Physics and Physiology Sensor Channels on my Go Direct Force Plate?<\/a><\/li>\n<li><a href=\"\/til\/19022\/\">What is the AUX port and Auxiliary Voltage sensor channel used for on a Go Direct Force Plate?<\/a><\/li>\n<li><a href=\"\/til\/19039\/\">Why does my X Balance seem less stable than my Y Balance when using the Go Direct Force Plate?<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>The X-axis Balance and Y-axis Balance sensor channels of the are designed to be used together to provide a tool to visualize a student&#8217;s efforts&#8230;<\/p>\n","protected":false},"author":86433,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[],"class_list":["post-19319","post","type-post","status-publish","format-standard","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/19319","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/users\/86433"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/comments?post=19319"}],"version-history":[{"count":0,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/posts\/19319\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/media?parent=19319"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/categories?post=19319"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vernier.com\/til\/wp-json\/wp\/v2\/tags?post=19319"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}