A heart rate monitor is known a personalized device that monitors your heart rate and records it for your physician to conduct a study. The older models have a monitoring box that has a set of leads that are electrode attaching to your chest. While these machines are still available, there are some modern heart rate monitors such as the strapless heart rate monitor. 

No wonder you are all confused when trying to determine which heart rate monitor you need to purchase- there are several styles, all having different applications and functions to choose from. With all the advanced models that are available you might find it difficult in making the decision.  

These machines are designed to recorded various activities that is going on with your body besides just your heart rate. Some machines will record your breathing rate, along with your burned calories. Consulting with your physician is probably your best choice when trying to decide on which heart rate monitor is the best for you.