MainController.js

app.controller('MainController', ['$scope', function($scope) {
  $scope.exercises = [
    {
      icon: 'img/pushup.jpg',
      name: 'Pushups',
      count: 20
    },
    {
      icon: 'img/squat.jpg',
      name: 'Squats',
      count: 15
    },
    {
      icon: 'img/pullup.jpg',
      name: 'Pullups',
      count: 10
    },
    {
      icon: 'img/row.jpg',
      name: 'Rows',
      count: 10
    },
    {
      icon: 'img/lunge.jpg',
      name: 'Lunges',
      count: 10
    },
    {
      icon: 'img/stepup.jpg',
      name: 'Step Ups',
      count: 10
    },
    {
      icon: 'img/situp.jpg',
      name: 'Sit Ups',
      count: 15
    }
  ];
  
  $scope.increase = function(index) { 
  	$scope.excercises[index].count += 1; 
	};
	$scope.decrease = function(index) { 
  	$scope.excercises[index].count -= 1; 
};
  
}]);