...the OwnZone limits based on heart rate variability (OZV) vary a lot?

Heart rate variability reacts sensitively to all changes taking place in your body and environment. The OZV heart rate limits are affected by, amongst other things, your state of fitness, the time of day of the OwnZone determination, the type of exercise and your state of mind. The lower limit of the OZV can vary for the same person by as much as 30 beats. However it is important that the exercise carried out in the OwnZone feels light or moderate. For example, if you raise your heart rate too rapidly after the first stage, you may receive OwnZone heart rate limits that are too high. If the OwnZone limits seem to be too high, we recommend that the OwnZone determination be repeated.

...I can rarely get the OwnZone determination working so that it would provide me with heart rate limits that are based on heart rate variability (OZV).

1.Check that the elastic strap is snug enough.

2.Make sure that the electrodes of the transmitter are moistened against your skin.

3.Put on the transmitter 15–20 minutes prior to the start of your exercise to ensure good adaptation between the electrodes and your skin.

4.If you get OwnZone limits based on age (OZA) or the previously determined OwnZone limits based on your heart rate variability (OZL) in less than one minute, you have not raised your heart rate sufficiently slowly. Raise your heart rate more slowly during the OwnZone determination. The heart rate reading should not rise over 20 beats/minute from the starting level. During the first stage you could put on your exercise clothing.

5.If you get OwnZone limits based on age (OZA) or the previously determined OwnZone limits based on your heart rate variability (OZL) after five minutes, you have not raised your heart rate sufficiently rapidly. Raise your heart rate more quickly during the OwnZone determination.

6.If you have always used walking and running to determine your OwnZone, walking uphill or cycling may work better for you.

7.Stress or anxiety may reduce your heart rate variability so that the required point where the heart rate variability vanishes cannot be measured. Relax for 5–10 minutes before exercising by sitting down and decreasing your heart rate.

8.For a small percentage of people, the heart rate variability will not totally disappear with increasing workload. In this case the age-predicted limits are the best estimate for the exercising zone.

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Weider WM22, WM42, WM41, WM21 user manual Frequently Asked Questions
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WM42, WM21, WM22, WM41 specifications

The Weider WM series of weight machines, encompassing models WM41, WM22, WM21, and WM42, represents a line of versatile and durable fitness equipment designed for individuals seeking to enhance their strength training routines at home. Each model boasts unique features that cater to a variety of fitness levels, making them suitable for both beginners and seasoned athletes.

The Weider WM41 stands out for its compact design and multifunctional capability. With an adjustable seat and backrest, this machine allows users to perform a wide range of exercises, including chest presses, leg extensions, and lat pulldowns. The built-in weight stack provides resistance that can be easily adjusted to match the user's fitness level, making it an ideal choice for those who appreciate versatility in their workout routines.

The WM22 adds another layer of sophistication with its integrated pulley system. This technology enhances the range of motion for various exercises, such as cable crossovers and tricep pushdowns, promoting muscle engagement and overall strength development. The ergonomic design ensures comfort during workouts, and the durable frame provides stability and security, allowing users to focus on their fitness goals.

In contrast, the Weider WM21 offers a distinct focus on functionality and user comfort. Featuring an adjustable chest press and fly station, this model is particularly effective for upper body workouts. Its innovative weight adjustment system allows users to customize their resistance levels seamlessly, fostering an efficient and personalized training environment. The padded seat and backrest are designed for optimal support, promoting safety during intense sessions.

Lastly, the WM42 is engineered for those who seek a more comprehensive workout experience. This model incorporates a multifunction bench that enables a wide array of exercises targeting different muscle groups, including core workouts and lower body strength training. Its heavy-duty construction ensures durability over time, and the multiple weight stack options cater to users at different fitness levels.

In summary, the Weider WM series—WM41, WM22, WM21, and WM42—represents a solid investment for home fitness enthusiasts. Each machine is designed with specific features and technologies that enhance usability, comfort, and performance. Whether your focus is on upper body strength, versatility in workouts, or comprehensive training, there’s a Weider WM model to fit your needs and help you achieve your fitness goals. The commitment to quality and innovation seen in these machines makes them a popular choice among fitness aficionados.
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