Stability ball jackknife exercise instructions and video

Having a ball, in the gym

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Swiss Ball Core Exercises 🔥🔥 • • • 3 SETS Swiss Ball Jackknife X10 S

Stability Ball Core Workout 💥 Add this to your next workout or warmup! Repeat 3x through — ▫️ Dead bugs - 10 ▫️ Windmill

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