How to Work Out Your Back Muscles With Dumbbells

  • 8 years ago
How to Work Out Your Back Muscles With Dumbbells. Part of the series: LS - Safe & Effective Workouts. Working out your back muscles with dumbbells will work out both the lower and upper back muscles at the same time. Work out your back muscles with dumbbells with help from a business owner and the President of Your Best Fit, Inc. in this free video clip.

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