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![The Backlash Routine](http://shredz.com/cdn/shop/articles/577493798_640.jpg?v=1624074455)
Primary Muscles: Trapezius, Medial Deltoids, Posterior Deltoids, Serratus Anterior, Infraspinatus, Latissimus Dorsi, Scalene, Subscapularis, Levator Scapulae, Supraspinatus, Rhomboid Major, Rhomboid Minor
Secondary Muscles: Biceps, Brachialis, Triceps, Rectus Abdominis, Erector Spinae
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