move your 薦椎 (Jiàn chuí) sacrum – HeJingHan Baguaquan classes

20200801 Can you move your 薦椎 (Jiàn chuí) sacrum? why is this important

HeJingHan BaguaQuan, Baguazhang Teaching Taipei. 20200801 Can you move your 薦椎 (Jiàn chuí) sacrum? why is this important