Warming up is the preparation done before the actual exercise and includes a gentle workout. Static and dynamic stretching demonstrate a proper form of warmup. Thus, option D is correct.
Static and dynamic stretching is the part of the exercise that involves the preparation of the muscles and ligaments before the actual intense physical activity. They are performed in the warm-up to prepare the muscles and body.
Static stretching is the movement that does not involve too much motion and involves the holding and maintaining of the same position for a particular time. The bending of hands at the back for a minute is an example of static stretching.
Dynamic stretching involves the active participation of the muscles ad involves bigger movements and motion that increases flexibility. High kicks, squats, lunges, etc. are examples of dynamic stretching.
Therefore, option D. static and dynamic stretching are a part of the warm-up.
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