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Trulkor exercises from the lineage of Do Kheytnse Yeshe Dorje
Wylie transliteration: rtsa-rlung 'khrul-'khor
literal meaning: magical movement instrument, channels and inner breath currents
Tsa lung Trul khor (lit. "magical movement instrument, channels and inner breath currents") known for brevity as Trul khor (lit. "magical instrument" or "magic circle;" Sanskrit: adhisāra) is a Vajrayana discipline which includes pranayama and body postures (asanas). From the perspective of Dzogchen, the mind is merely vāyu (wind, air) in the body. Thus working with vāyu and the body is considered superior to meditation. Chögyal Namkhai Norbu, a prominent exponent of Trul khor, prefers to use the Sanskrit equivalent term, Yantra Yoga, when writing in English. Trul khor derives from the instructions of the Indian Mahasiddhas who founded Vajrayana.
Trul khor traditionally consists of 108 movements, including bodily movements (or dynamic asana), incantations (or mantra), pranayama and visualizations. The flow or vinyasa (Sanskrit) of movements are enlikened to beads on a mala. Trul khor body postures (asanas) are depicted on the walls of the Dalai Lama's summer temple of Lukhang.
Namkhai Norbu et al. (2000, revised) opened the English discourse on Trul Khor with his treatise on Yantra Yoga, essentially a commentary on a practical yoga manual by Vairotsana, 'phrul 'khor nyi zla kha sbyor gyi dgongs 'grel dri med nor bu'i me long (Wylie). Namkhai Norbu tilled the ground for the dissemination of Yantra Yoga through his practical teaching and esoteric transmission of this discipline within the International Dzogchen Community which he founded post 1975 from its seat in Italy, Merigar.
Chaoul (2006) has opened the discourse of Bon traditions of Trul Khor into Western scholarship in English with his thesis from Rice University. In his work, Chaoul makes reference to a commentary by the famed Bonpo Dzogchen master, Shardza Tashi Gyaltsen, byang zab nam mkha' mdzod chen las snyan rgyud rtsa rlung 'phrul 'khor (Wylie)....Chaoul, Alejandro (2006). Magical movements ('phrul 'khor): ancient yogic practices in the Bon religion and contemporary medical perspectives. Rice University.
John Hopkins....Northern New Mexico