Embedded within the martial art Ba Gua Zhang is a complete system of internal exercises that promote self-healing and longevity and transform consciousness. Ba Gua Nei Gong consists of nine powerful and profound methods of internal exercise and self-cultivation. This book is the sixth in a series of manuals on Ba Gua Nei Gong. It can be used in conjunction with instruction in Ba Gua Zhang, or employed as a stand-alone instruction manual. This volume covers both Bone Breathing (Xi Hu Gu) and Marrow Washing Nei Gong (Xi Sui Jing), two exercises that work at the deepest levels of the body. Bone Breathing is a excellent relaxation exercise and also serves as a preliminary exercise that can help you to correctly practice Marrow Washing Nei Gong. Bone Breathing teaches you to breathe into the bones and the marrow, so that Qi and blood can circulate and enter these structures. This aids the conversion of Qi into kidney Jing and blood. Ba Gua Marrow Washing Nei Gong continues the process begun in Bone Breathing by leading Qi and breath to the interstices of the joints and the bone marrow, to the spaces between the bones and the flesh, to the spaces between the flesh and the skin, and even into the hair follicles and pores. This practice strengthens the bones and stimulates the bone marrow, thereby increasing the production of blood, while nourishing the tissues and improving circulation to every part of the body. In traditional Chinese medicine, marrow is produced in the bones, but it also fills and nourishes the brain and spinal cord. Practice of Marrow Washing Nei Gong is therefore said to aid the nervous system, strengthen the brain and improve one’s mental capacity. This rejuvenates and improves the overall functioning of the body. The refined strength and sensitivity developed by Marrow Washing Nei Gong aids the martial arts practitioner on many levels - particularly in development of higher level skills such as power sensing, the simultaneous storage and relea