https://hasfit.com/wp-content/uploads/2013/03/eccentric-or-negative-pull-up-back-exercise-demonstration-negative-exercises.jpgVideo thumbnail for youtube video Eccentric or Negative Pull Up – Back Exercise Demonstration – Negative ExercisesOctober 21, 2013 Watch LaterRemove Cinema Mode You may also like Video 30 Min HIIT Workout with Weights Video 30 Min Home Strength Training Video 20 Min Dumbbell Shoulder WorkoutAdd commentYou must be logged in to post a comment.
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