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 15 Min HIIT Workout for Beginners Video 20 Min Dumbbell Chest and Triceps Workout Video 20 Min Strength Training for SeniorsAdd commentYou must be logged in to post a comment.
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