As a former athlete with degrees in both sports science, as well as physiology and nutrition, PFL reporter Caroline Pearce knows what it takes to stay in shape and how certain workouts can help MMA fighters with their training. In this edition of PFL’s “Fighting Fit” series, Pearce demonstrates and explains the benefits of core strength exercises. Watch it in the video above. Related Video: PFL reporter Caroline Pearce demonstrates heavy ball exercises and how they benefit MMA fighters PFL is set to kick off its playoffs Friday at PFL 8, with quarterfinal and semifinal bouts in both the heavyweight and featherweight divisions. The event will take place at Ernest N. Morial Convention Center and air on NBCSN
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