Fitness Abbreviations and Acronyms
- SISpeed Intervals
- SISpeed Interval
- SLStarting Lift
- SLCSri Lanka Crircket
- SMSmith Machine
- SMSport Motivation
- SNFCShanghai Nikki Fqshion Co
- SPShoulder Press
- SPARTASports Performance and Resistance Training Association
- SPNSpecialist In Performance Nutrition
- SRShuttle Run
- SRCStudent Recreation Centre
- SRSSurface Response Suspension
- SRTShuttle Run Test
- SRTSitting Rising Test
- SSCSpecialist In Sports Conditioning
- SSNSpecialist In Sports Nutrition
- STStep Test
- STCSuspension Training Course
- SWCCSpecial Warfare Combatant Crewmember
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