@shaqrionx: • The secret to Jon Jones’ heavyweight grappling power? 🤫 Pinned Zercher Squats. • Watch how this brutal variation builds the exact isometric squeeze and hip leverage needed to shut down elite strikers like Ciryl Gane. • Drop your heavy squat numbers in the comments! 👇 #jonjones #UFC #mma #zerchersquat #grappling