Loop pagination inside a buddypress profile tab

function my_test_setup_nav() {
    global $bp;
    // Change the order of menu items
    //$bp->bp_nav['messages']['position'] = 100;

    // Remove a menu item
    $bp->bp_nav['blogs'] = false;

    // Change name of menu item
    // $bp->bp_nav['groups']['name'] = ‘community’;

    // Menú PUBLICACIONES
     //name, slug, screen, position, default subnav
        bp_core_new_nav_item( array(
        'name' => __( 'Publicaciones' ),
        'slug' => 'publicaciones',
        'screen_function' => 'funcion_tab_publicaciones',
        'position' => 40,
        'default_subnav_slug' => 'mis_publicaciones'
        ) );
}
/* Add the subnav items to the profile */
// name, slug, parent_url, parent slug, screen function
bp_core_new_subnav_item( array( 'name' => __( 'Home' ), 'slug' => 'mis_publicaciones', 'parent_url' => $bp->loggedin_user->domain, 'parent_slug' => 'mis_publicaciones', 'screen_function' => 'funcion_tab_publicaciones' ) );

function funcion_tab_publicaciones() {
    //add title and content here - last is to call the members plugin.php template
    add_action( 'bp_template_title', 'funcion_tab_publicaciones_title' );
    add_action( 'bp_template_content', 'funcion_tab_publicaciones_content' );
    bp_core_load_template( apply_filters( 'bp_core_template_plugin', 'members/single/plugins' ) );
}
function funcion_tab_publicaciones_title() {echo 'Mis Publicaciones'; }
function funcion_tab_publicaciones_content() {
    global $post;
    global $paged; // current paginated page

    // arguments, adjust as needed
    $args = array(
        'post_type'      => 'post',
        'posts_per_page' => 4,
        'post_status'    => 'publish',
        'paged'          => get_query_var( 'paged' )
    );

    /*
    Overwrite $wp_query with our new query.
    The only reason we're doing this is so the pagination functions work,
    since they use $wp_query. If pagination wasn't an issue,
    use: https://gist.github.com/3218106
    */
    global $wp_query;
    $wp_query = new WP_Query( $args );

    if ( have_posts() ) :
        echo '<ul>';
        while ( have_posts() ) : the_post();

            echo '<li>' . get_the_title() . '</li>';

        endwhile;
        echo '</ul>';
        do_action( 'genesis_after_endwhile' );
    endif;

    wp_reset_query();
}
add_action( 'bp_setup_nav', 'my_test_setup_nav' );