Glute Ham Roller Jacknife

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Learn how to perform the glute ham roller jackknife, an underrated anti-extension core exercise that combines plank-style bracing with trunk and hip flexion to target the lower abs and hip flexors. Strength coach Brandon Smitley of THIRST Gym breaks down the setup, technique, common mistakes, progressions, and programming so you can build a stronger, more controlled midsection. Ideal for wrestlers, powerlifters, and stiff athletes who need more flexion in their training.

Glute Ham Roller Buzz Saw Plank

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The glute ham roller buzzsaw plank is a scalable anti-extension core exercise that builds the trunk stability athletes actually need for sport. Learn how to coach the setup, avoid common mistakes, and program it for time, reps, or added load — plus who benefits most, from wrestlers and powerlifters to beginners. A go-to buzzsaw plank variation from strength coach Brandon Smitley of THIRST Gym.

Copenhagen Side Plank March

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The Copenhagen side plank march builds adductor strength, lateral core stability, and hip flexor endurance in a single challenging movement. This progression of the standard Copenhagen plank adds a marching component that increases trunk stability demands while maintaining isometric loading through the top leg adductors. Learn proper setup, technique, and programming recommendations to effectively incorporate this exercise into your strength and conditioning routine.