Many Yin yoga poses or asanas closely resemble the asanas in Indian hatha yoga .
They have different names , in part to alert those who are familiar with similar poses in hatha yoga not to perform them in the same way .
Although many Yin yoga poses or asanas closely resemble the asanas in Indian hatha yoga , they have different names , in part to alert those who are familiar with similar poses in hatha yoga not to perform them in the same way .