Which swim stroke is best for back fat? September 15, 2022December 28, 2023BRA 0 Freestyle is said to have the greatest impact on toning back muscles, and can also tone your stomach, butt and shoulders. It also burns around 300 calories per hour – win!Related Posts:Ready for Swim Season? Get Rid of Back Fat withStrengthen Your Back Muscles & Shape Your Back -…Goodbye Back Flab, Hello Sleek Back: The Best Back Fat