The crossword solutions for the term WARM-UP ACTIVITIES are PREPS. PREPS stands for physical readiness education and preparation system, which is a series of exercises designed to help athletes prepare for physical activity. These exercises are meant to increase flexibility, strength, and endurance, as well as improve coordination and balance. They can also help reduce the risk of injury. Warm-up activities are typically done before any physical activity, such as sports or exercise, to help the body become accustomed to the upcoming activity.