In Yin yoga, the poses are held for a long period of time — typically three to five minutes or longer — to target the connective tissues, such as the ligaments, rather than focus on the muscles. The poses are more passive holds with little active engagement of the muscles. A Yin/Yang yoga practice often begins with yin poses.
Yang yoga is what the Western world thinks of as yoga — Hatha and Ashtanga yoga asanas and vinyasas that warm the body and stretch and strengthen the muscles. Yin/Yang yoga typically includes the yang portion of practice in the second half of class.
By combining the two styles of yoga, Yin/Yang yoga improves energy and fitness while promoting relaxation and healing.
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