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Archives by Tag 'Marcus O’ Sullivan'

Improve Posture and Increase Strength with This Core Exercise!

By nate.landas - Last updated: Friday, January 24, 2014

Veteran track and cross country coach at Villanova, Marcus O’ Sullivan, shows you a great core development exercise. This will strengthen your runners’ core to improve balance and posture, which is essential for successful track and cross country running.

Core Exercise

Gain more insight and an additional video clip from, “Marcus O’Sullivan: Core Strength for Middle Distance & Distance Runners.” Discover other great Strength Training videos apart of our large¬†Track & Field¬†collection!




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