What are the recommended fitness routines for winter?

In winter, the whole body of a person enters a state of laziness, so this is when people begin to be reluctant to go out and stay at home all day, which results in a decline in immunity. The next recommended winter fitness exercise?  Winter is suitable for what fitness exercise 1 ? Yoga: the most suitable Temperature is lowered, the whole person is less energy, just want to lazily nestled in bed, sofa. But in winter, the more inactive the body, the more prone to problems - stiff muscles and bones, poor blood circulation, especially the end of the body of the hands and feet, always cold. In addition, the anxiety and stress of life and work lower the body's immune function, making it easy for cold and flu viruses to find you in winter. How can you stay warm and comfortable this winter? Try doing yoga indoors.  Choosing the right asanas, together with pressing acupressure points and regulating breathing, can improve blood circulation, make your body less prone to coldness, and enhance your fighting power against cold and flu viruses. Some of the movements even have no venue restrictions and can be practiced at any time. Like in the office spirit is not good, attention can not focus, may wish to stand in their seats, do a few minutes of twisting, and then a 10 times the complete breathing method, for the body to bring in a lot of oxygen, immediately refreshing, drive away sleepy bugs.