Yin yoga is a slow-paced style of yoga with poses or asanas that are held for longer periods of time—three to five minutes or longer per pose. Yin yoga poses work to moderately stress the connective tissues made up of tendons, fascia, and ligaments, aiming to increase circulation in the joints and improve flexibility. They are also designed to improve the flow of qi, the subtle energy said in Chinese medicine to run through the meridian pathways of the body. Improved qi flow is hypothesized to improve organ health, immunity, and emotional well-being. A more meditative approach to yoga, Yin aims at cultivating awareness of one's inner silence, and bringing to light a universal, interconnecting quality.