Fitness Certification Collection Share this product: Tweet Receive all 4 of HFA's online certification courses at one affordable price for a full year! Fitness Theory, Weight Training, Personal Training, Group Training. The Fitness Certification Collection is a new way of looking at the education for your fitness career. This package is for the self-driven learner that enjoys having quick access to information right at their fingertips. Based on the knowledge that fitness professionals are in a constant need to renew, upgrade, and supplement his/her credentials and skills, the Fitness Certification Collections your key to a comprehensive fitness community where you'll have access to all of the online courses and information you need, all in one place, all on-demand. With the Fitness Certification Collection you will receive hard copy manuals for Fitness Theory, Weight Training & Group Training manuals and the Personal Training manual (NSCA’s Essentials of Personal Training).