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:max_bytes(150000):strip_icc()/27-2704464-Piltes-JackKnife-GIF-f6b46831f087404ab83a6b780df87bf3.gif "How to Do the Jack Knife in Pilates")
How to Do the Jack Knife in Pilates
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Circuit 1, Exercise 2: Bent-Leg Jackknife | Kelsey Wells Is Teaching You How to Get a Stronger Core With This Equipment-Free Ab Workout | POPSUGAR Fitness UK Photo 5
