Cardiovascular fitness is a special form of muscular endurance. It is the efficiency of the heart, lungs, and vascular system in delivering oxygen to the working muscle tissues so that prolonged physical work can be maintained. A person’s ability to deliver oxygen to the working muscles is affected by many physiological parameters, including heart rate, stroke volume, cardiac output, and maximal oxygen consumption.
Whipping your muscles into shape can be an immensely satisfying experience, whether you’re a fitness fanatic or hoping to turn your skinny arms or tummy flab into a well-muscled marvel. No matter your level of expertise, there’s always something more you can learn about improving your fitness and building the body you want. Here are some great blogs on bodybuilding that will provide you with the advice and inspiration you need to pump up your muscles to help your health or just to make you feel good about how you look.