@amirfit00: a strong back isn't just about size, it's about width, thickness, detail, and strength 💪 in the series, we break down the major back muscles and the exercises you can use to build them. follow for more tips (Amir Fit) #FitnessJourney #fypシ゚viral #gymmotivation #kenyantiktok🇰🇪 #kenyantiktok🇰🇪