If you want to improve your cardiovascular fitness, it takes a minimum of 6 weeks on an average to see a noticeable change in OwnIndex. Less fit individuals see progress even more rapidly and for more fit individuals more time is needed. The better the cardiovascular fitness of an individual, the smaller the improvements in OwnIndex.

Cardiovascular fitness is best improved by exercise types which employ large muscle groups. Such activities include cycling, running, swimming, rowing, skating, cross-country skiing and walking.

To monitor your fitness progress start with measuring your OwnIndex a few of times during the first two weeks, to get a baseline value. Thereafter, repeat the test approximately once a month. OwnIndex is based on resting heart rate, heart rate variability at rest, age, gender, height, body weight and self-assessed physical activity.

Predicted Maximum Heart rate (HRmax-p)

The HRmax-p definition is carried out simultaneously with the Polar Fitness Test.

The HRmax-p score predicts your individual maximum heart rate value more accurately than the age-based formula (220-age). The age-based method provides a rough estimation and may not be very accurate, especially for people who have been fit for many years or for older people. The most accurate way of determining your individual maximum heart rate is to have it clinically measured (in maximal treadmill or bicycle stress test) by a cardiologist or an exercise physiologist.

Your maximum heart rate changes to some extent in relation to your fitness. Regular endurance exercise tends to decrease HRmax. There may also be some variation according to the sport you participate in. For example, running HRmax > cycling HRmax > swimming HRmax.

HRmax-p gives the possibility of defining training intensities as percentages of maximum heart rate and of following maximum heart rate changes due to training, without an exhaustive maximal stress test. HRmax-p is based on resting heart rate, heart rate variability at rest, age, gender, height, body weight and maximal oxygen uptake, VO2max (measured or predicted). The most accurate HRmax-p is obtained by entering your clinically measured VO2max into the wrist receiver.

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Polar S510, S520 manual Predicted Maximum Heart rate HRmax-p
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S510, S520 specifications

The Polar S510 is a cutting-edge smartwatch designed for athletes and fitness enthusiasts who require advanced features to track and enhance their performance. With an elegant design and a rugged build, this device is tailored for those who push their limits in various sports and outdoor activities.

One of the standout features of the Polar S510 is its precise heart rate monitoring. Utilizing advanced optical sensors, the watch provides real-time heart rate data, allowing users to optimize their training zones and maintain their desired intensity levels. This is complemented by Polar's unique Smart Coaching technology, which generates personalized training programs based on the user's fitness level and goals. These tailored recommendations help athletes train smarter rather than harder, fostering better results and reducing the risk of overtraining.

The watch supports a wide array of sport profiles, ranging from running and cycling to swimming and strength training. Each profile provides specific metrics tailored to the activity, including pace, distance, and calories burned. An integrated GPS ensures accurate tracking of outdoor workouts, while the watch’s waterproof design allows for use in all weather conditions and during swim sessions.

Another impressive aspect of the Polar S510 is its long battery life. With up to 40 hours of training time on a single charge, users can participate in extended workouts without the worry of their device dying mid-session. The smart notifications feature syncs with smartphones, providing users with alerts for calls, messages, and app notifications, ensuring they stay connected without interrupting their training.

The Polar S510 also employs advanced recovery tracking, helping athletes monitor their recovery status and readiness for subsequent workouts. The Nightly Recharge feature assesses sleep quality and recovery overnight, providing insights into overall well-being and performance readiness.

In addition to its fitness features, the watch also incorporates Polar Flow, an app that allows users to analyze their training data, set goals, and interact with a community of fitness enthusiasts. The comprehensive feedback and encouragement foster not just individual improvement but also a sense of camaraderie.

With its combination of stylish design, robust features, and sophisticated technology, the Polar S510 is not just a smartwatch; it is an indispensable training partner for anyone serious about reaching their fitness goals. Whether in the gym, on a trail, or in a pool, this smartwatch encapsulates innovation and performance in one powerful device.
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