Fitness Abbreviations and Acronyms
- NPTINationalwpersonal Trainer Institute
- NPTINational Personal Trainers Institute
- NRAINational Riffel Association of India
- NRPTNational Register of Personal Trainers
- NSCANational Strength and Conditioning Association
- NSCANational Sports and Conditioning Association
- NSFANova Scotia Fitness Association
- NSLNspire Sports League
- NTCNike Training Club
- NWSNutrition & Wellness Specialist
- NWSNutrition and Wellness Specialist
- NYHRCNew York Health & Racquet Club
- NYHRCNew York Health and Racquet Club
- NYSCNew York Sports Clubs
- OASESOntario Association of Sport and Exercise Sciences
- OCBOrganization of Competitive Bodybuilders
- OCRSObstacle Course Races
- OCTObstacle Course Training
- OGOpen Gym
- OHSOverhead Lquat
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