| Abbreviation | Definition |
|---|---|
| FWAT | Fitness with a Twist |
| FWRD | Fitness Wellness and Recreation Department |
| FZW | Fitness Zentrum Wetzikon |
| GCFF | Gottlieb Center for Fitness |
| GFI | Group Fitness Instructor |
| GFR | Gallagher Fitness Resources |
| GMB | Gold Medal Bodies |
| GNBF | German Natural Bodybuilding Fitness |
| GSFT | Gay Squaddie Fitness Test |
| HAFW | Hydro Active Fitness Water |
| HBFC | Health Beauty Fitness Care |
| HEF | Hannah Eden Fitness |
| HFFA | Huntersville Family Fitness and Aquatics |
| HFFA | Huntersville Family Fitness Aquatics |
| HFL | Health Fitness and Longevity |
| HFPA | Health and Fitness Professionals Academy |
| HFTC | Hardcore Fitness Training Center |
| HFZ | Healthy Fitness Zone |
| HFZ | Healthy Fitness Zones |
| HHF | Hampstead Health and Fitness |