Trulkhor (Skt. *vayv-adhisāra, *yantrayoga; Tib. འཕྲུལ་འཁོར་ or འཁྲུལ་འཁོར་, trulkhor, Wyl. 'phrul 'khor or 'khrul 'khor), often translated as 'yogic exercises'. It is "a system of practice that includes physical movements, breathing exercises and methods of concentration. It can be considered the equivalent of hatha yoga within the Buddhist tradition." It is often connected with the practice of tummo.
- Wheels of technique (Berotsana)
- Magical Wheel of Yogic Movements (Namkhai Norbu)
- Magical movements
- Yogic hydraulics
- Circulatory manipulation
- Namkhai Norbu Rinpoche back translated trulkhor into Sanskrit as yantra-yoga, yet this does not seem to be attested in any Sanskrit sources.
- Adriano Clemente, from his foreword in the book Yantra Yoga
- Chogyal Namkhai Norbu, Yantra Yoga: Tibetan Yoga of Movement, Illustrated edition (Ithaca, N.Y: Snow Lion, 2008).
- Baker, Ian (2017). Yoga and Physical Culture in Vajrayāna Buddhism and Dzogchen, with special reference to Tertön Pema Lingpa’s ‘Secret Key to the Winds and Channels’. In Dasho Karma Ura, Dorji Penjore & Chhimi Dem (Eds), Mandala of 21st Century Perspectives: Proceedings of the International Conference on Tradition and Innovation in Vajrayana Buddhism (pp. 54-101). Thimphu: Centre for Bhutan Studies. Available here.