Back and Chest Workout Three Ways - Swimsuit | SI.com
TRX Coach Michael takes SI Swim Search Models Katie Austin and Natalie Gage through a core workout with exercises using their bodyweight, bands, or TRX straps.
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TRX Coach Michael takes SI Swim Search Models Katie Austin and Natalie Gage through a core workout with exercises using their bodyweight, bands, or TRX straps.