3-Minute Power Core: Quick & Effective Window Workout for All Levels

3-Minute Power Core: Quick & Effective Window Workout for All Levels Engage in a 3-minute window core workout suitable for all levels. Start with sit-up reaches, then transition to cross-knee planks and sprinter sit-ups. Follow with plank knee pulls, ensuring hip stability. In a 90-degree leg position, punch towards your toes. Conclude with a dynamic plank elbow-to-rib sequence. Each exercise lasts 30 seconds, perfect for a quick yet effective core session, with stretching recommended if adding cardio.