This German-language knowledge card index explores the importance of warm-up exercises and stretching techniques in sports and fitness. Students learn how a proper warm-up increases blood circulation, activates muscles, improves flexibility, and helps prevent injuries. The cards cover dynamic and static stretching, mobilization, muscle activation, and the phases of an effective warm-up. 📋 What’s Included 10 Knowledge Cards (PDF + PNG) Covers: Aufwärmübungen (Warm-Up Exercises), Dehntechniken