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Uploaded by CallieDurb on Aug 10, 2009
http://www.durbrowperformance.comBoston personal trainer Callie Durbrow demonstrates a 33" box jump from a seated postition. This is a great movement for explosive lower body power.
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Thanks!!
CallieDurb 2 years ago
Nice shirt!
baloo53180 2 years ago
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Thanks!!
CallieDurb 2 years ago