The purpose of The Cooper Institute Personal Trainer (CI-PTr) Certification Examination is to provide assurance of mastery and application of knowledge and skills directly related to the performance of the job entitled `Personal Trainer' through a defensible, reliable, valid and rigorous process. The successful completion of the CI-PTr Certification Examination results in credentialing to ensure certificants' professional knowledge, skills and tools to provide sound fitness and health programming to their clients, provide assurance to clients and employers, protect the public, and advance the profession.