Three Exercises to Improve Core Strength with JR Rosania

PHOENIX, Arizona, April 10. PREMIERE Swimming World Magazine fitness expert JR Rosania presents three exercises swimmers can do to improve core strength.

Olympic Trials Qualifier Daren Brubaker demonstrates the three exercises, which are performed in quick succession to maximize results. Brubaker starts with prone flutter kick on his back, then moves on to explosive weighted incline sit-ups and ends the cycle with med ball bicycles.

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