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Your Best Abs: Revolutionary Core Workouts for a Stronger, Flatter Stomach
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Dieser Artikel gilt, aufgrund seiner Grösse, beim Versand als 3 Artikel!
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| Your Best Abs is revolutionary in its approach, but the research behind its benefits has been around for years. The premise is simple: Train the abs as they are designed to work, not by doing crunches and sit-ups, but by properly bracing the core. The purpose of the abs is to resist spinal extension-to brace and hold, not to push and pull. |
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Auf Bestellung (Lieferzeit unbekannt)
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