Warm-Up Timer OnlineFree warm-up timer for pre-workout preparation. 5–10 minute countdown to prepare muscles and joints before training. Reduces injury risk.Frequently asked questionsHow long should a warm-up timer be before a workout?A minimum of 5 minutes, ideally 10 minutes for intense workouts. Heavy lifting sessions benefit from 10–15 minute warm-ups with specific activation work. Never skip warm-up for high-intensity activities — cold muscles are 3x more likely to sustain injury.What should I do during the 10 minutes on the warm-up timer?Minutes 1–3: Raise heart rate (brisk walk, light jog, cycling). Minutes 4–7: Dynamic stretching (leg swings, arm circles, hip rotations). Minutes 8–10: Movement prep specific to your workout (air squats before squats, shoulder rotations before pressing).Is static stretching before a workout a good use of warm-up time?No — static stretching (holding a stretch 20–30+ seconds) before exercise reduces muscle power and can increase injury risk. Save static stretching for the cool-down. Use dynamic movements during warm-up to increase blood flow and joint mobility instead.How does a proper warm-up affect workout performance?Warm muscles contract faster and with more force. Core temperature rises 1–2°F, improving neural transmission. Heart and respiratory rate gradually increase, reducing cardiovascular shock. A well-executed warm-up can improve performance by 5–10% compared to training cold.Should my warm-up time be different for cardio vs strength training?Cardio warm-up: 5 minutes of the same activity at easy pace (e.g., jog before running). Strength warm-up: 10 minutes of dynamic stretching plus 2–3 lighter warm-up sets before working weight. The strength warm-up is more specific to the movements being trained.