2 places that you can check your heart rate are neck and wrist.
Everything but muscle endurance
The best answer to the health and workout question above would be overload. It is evident that the person developed knee pain from running everyday - a sign that the knee was put on a greater amount of stress. This principle of sport training is called the overload and is used to strengthen the ability of that certain muscle to work efficiently.
People with Bipolar disorder. I'm bipolar - it sucks :(
Impatient prospective payment system
