| Abbreviation | Definition |
|---|---|
| NLFA | Nutrition Lifestyle and Fitness Assessment |
| NLFC | Newtons Law of Fitness Club |
| OCHF | Off Campus Health Fitness |
| OTF | Orange Theory Fitness |
| OYF | Oh Yes Fitness |
| PCFP | Paddle Core Fitness Pro |
| PEF | Physical Education Fitness |
| PEFL | Portable Equipment Fitness Leader |
| PFA | Performance Fitness Assesment |
| PFA | Performance Fitness for Athletes |
| PFAA | Professional Fitness Athletes Association |
| PFASA | Pole Fitness Association of South Africa |
| PFC | Physical Fitness Center |
| PFE | Physical Fitness Exam |
| PFH | physical fitness hold |
| PFP | Personal Fitness Professional |
| PFQ | Physical Fitness Qualifier |
| PFQ | Physical Fitness Qualifiers |
| PFQ | Professional Fitness Questions |
| PFSP | Physical Fitness for Special Populations |