| Abbreviation | Definition |
|---|---|
| APFT | Army Physical Fitness Test |
| BAMB | Body Achieves what the Mind Believes |
| BAX | An abbreviation for back/backs, popular among gym lovers, commonly associated with biceps in workout |
| BBBFF | Belize Body Building and Fitness Federation |
| BBFF | Bahamas Bodybuilding And Fitness Federation |
| BFAN | Brain Fitness Action Network |
| BFE | Batch Fitness Evaluator |
| BFFC | Baker Ferguson Fitness Center |
| BFL | Belgian Fitness League |
| BFPT | Balmain Fitness Personal Training |
| BFSU | Butterfly Situp |
| BFT | Basic Fitness Test |
| BFY | Better Fitness for You |
| BHAF | Body Health and Fitness |
| BHF | Beauty Health and Fitness |
| BOTF | Back on Track Fitness |
| BPFT | Brockport Physical Fitness Test |
| BTAF | Beyond therapy and fitness |
| BTFA | Body Tech Fitness Association |
| BTFC | Bangsar Taekwondo Fitness Club |