Angular: Empty Fiddle

http://angularjs.org/

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/angular-chosen-localytics/1.4.0/angular-chosen.min.js"></script>
<script src="https://code.jquery.com/jquery-2.2.4.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/chosen/1.6.2/chosen.jquery.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/chosen/1.6.2/chosen.min.css">
<div ng-app="myApp" ng-controller="MyController">
  <div>
    <select chosen multiple ng-options="option.Name as option.Name for option in BodyPartList" ng-model="Body_Part">
      <option value="" disabled>Select Body Part(s)</option> 
    </select>
  <div>
    <select multiple ng-options="option.Name as option.Name for option in BodyPartList" ng-model="Body_Part">
      <option value="" disabled>Select Body Part(s)</option> 
    </select>
  </div>
  <div>
    Value: {{Body_Part}}
  </div>
</div>

CSS

select, .chosen-container {
  width: 300px;
  margin: 40px;
}

JavaScript

var myApp = angular.module('myApp', ['localytics.directives']);

myApp.controller('MyController', function($scope) { 
  $scope.BodyPartList = [
  	{ Name: "Arm" },
    { Name: "Leg" }
  ];
  
  $scope.Body_Part = [];
});