Strength training exercise for runners (part 3)

Static-dinamic exercise for hamstring; theory at http://www.mistermanager.it/potenziam.... 1 series: alternate 15" eccentric (very slowly) + 5" concentric for 40-50"

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• #strength
• #training
• #runners
• #running
• #static
• #dinamic
• #exercise
• #hamstring