did not arise out of her employment, given that she was no longer employed at Riverside when she was injured. Respondents counter that, for purposes of the NIIA, the employment relationship continues for a reasonable amount of time after an employee quits or is fired, so that Fanders was still considered an employee when she was injured, and thus, the NILA applied and was Fanders’ sole remedy. The NIIA only covers injuries that arise out of and in the course of the injured claimant’s employment. NRS 616C. 150(1). An in jury occurs within the course of employment when there is a causal connection between the injury and the nature of the work or the workplace. Wood, 121 Nev. at 733, 121 P.3d at 1032; Rio Suite Hotel & Casino v. Gorsky, 113 Nev. 600, 604, 939 P.2d 1043, 1046 (1997) (<HOLDING>); see also MGM Mirage v. Cotton, 121 Nev. 396,
recognizing that an injury arises out of the employment relationship if it can be traced to the nature of employment or the workplace environment holding employees under age discrimination in employment acts adea parallel retaliation provision includes former employees as long as the alleged discrimination is related to or arises out of the employment relationship holding that it is the claimants burden to show that the injury was the result of an accident that not only arose in the course of the employment but that it also grew out of or resulted from the employment holding that where the employment of the injured employees was the occasion of the injury the injuries arose out of employment holding that language in employee handbook stating that it was not to be considered as creating terms and conditions of an employment contract and that the employment relationship was employment atwill  was sufficiently explicit to preclude the creation of implied contractual obligations as a matter of law