The National Council for Certified Personal Trainers (NCCPT) Certified Group Exercise Instructor (CGxI) certification has been developed by the NCCPT Certification Board to recognize those individuals who have demonstrated competent knowledge and skills needed to perform as personal trainers in the fitness industry. The NCCPT Certified Group Exercise Instructor (CGxI) certification program, accredited by the National Commission for Certifying Agencies (NCCA) is a key indicator to fitness employers and other potential fitness clients that the trainer has demonstrated proficiency through successful completion of an examination of their ability to provide competent training in fitness. Individuals who earn the NCCPT Certified Group Exercise Instructor (CGxI) credential have demonstrated knowledge of the professional domains that encompass the tasks and knowledge required of a personal trainer in the fitness profession. By passing the Certified Group Exercise Instructor (CGxI) examination, professionals are able to display their aptitude in each specialized knowledge area of fitness training.