The Atomic Pike exercise works your shoulders and abs.
This movement, the atomic pike, starts from the basic flank position. Keeping your wrists right underneath your shoulders with your chest in between your shoulders, lift your knees, keeping them in the TRX straps, lift your hips up towards the ceiling, thinking belly button to spine or squeeze the abdominals, and then we'll bend lower back to flank position. Try to keep the shoulders relaxed here away from your ears.
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