+A **warm-up** is the vital prelude to physical or mental exertion, gently preparing the body or mind for heightened activity. It gradually increases heart rate and blood flow, reducing the risk of [Injury](/wiki/injury) and optimizing [Performance](/wiki/performance). This initial phase often involves light movements or focused mental preparation.
+## See also
+- [Cool Down](/wiki/cool_down)
+- [Stretching](/wiki/stretching)
+- [Exercise](/wiki/exercise)
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