Yin refers to the passive, hidden, unmoving, stable aspects of our body and mind, in contrast to Yang, which is active, revealing, moving and changing.
In a Yin yoga class, you work with the relatively stiff connective tissues such as tendons, ligaments and fascia. By holding poses for 3 to 5 minutes at a time, these tissues are stressed so the body can respond by strengthening them.
A Yin yoga class usually consists of several passive floor poses that mainly work the hips, pelvis, inner thighs and lower spine, areas rich in connective tissue. Yin is almost entirely passive, although some poses incorporate activation of muscles (Yang practice).
Yin classes are deeply relaxing, reducing stress and anxiety to help balance body and mind. If you are overstimulated and need to calm down, or are tired and crave energy, this class is for you.
Yin classes are suited for all levels.