Qigong (pronounced 'chee-gong,' sometimes romanized as Chi Kung) is a 5,000-year-old Chinese system for cultivating, circulating, and storing qi — the vital life force that the Chinese medical tradition holds to be the fundamental energy underlying all physiological and mental function. The word combines qi (life force, breath, vitality) with gong (skill, practice, cultivation over time). Qigong encompasses thousands of forms across dozens of lineages, from the dynamic external movements of five-animal qigong (imitating bear, bird, deer, monkey, and tiger) to the utterly still standing meditation of Zhan Zhuang. What unifies all forms is the intentional direction of awareness into the body, the breath, and the subtle energy field — with the conviction, rooted in millennia of empirical observation, that awareness directed to qi changes qi. 'Where the mind goes, qi follows' (Yi dao qi dao) is the central operating principle of every qigong practice.
Zhan Zhuang — 'standing like a tree' or 'standing stake' — is perhaps the most demanding and most rewarding of all meditation postures. The practitioner stands with feet shoulder-width apart, knees slightly bent, weight sinking into the ground, arms rounded as if holding a large ball in front of the chest, and simply stands — for 10 minutes, 20 minutes, 30 minutes, or in the case of advanced practitioners, hours. The posture looks like nothing. The internal experience is complex: the slight bend in the knees requires continuous muscular engagement that generates heat and eventually trembling in the legs as the muscles exhaust and release. The trembling is considered a sign of blocked qi releasing. The arms held in the round position tire, ache, and then reach a threshold at which the pain diminishes and a sensation of warmth, tingling, or fullness — reported as qi by practitioners — fills the arms, hands, and chest. Master Wang Xiangzhai (1885–1963), who developed the Yiquan system based on Zhan Zhuang, spent 30 years researching standing meditation across every martial and medical tradition in China and concluded that it was the single most powerful tool for developing both martial power and health.
The microcosmic orbit (xiao zhou tian) is a foundational meditation in Taoist internal alchemy, taught by Mantak Chia through his Universal Healing Tao system and by traditional masters including Grandmaster Chen Huixian. The practice involves circulating qi along the two main channels of the body: the du mai (governing vessel, running up the spine from perineum to crown) and the ren mai (conception vessel, running down the front of the body from crown to perineum). The practitioner sits in meditation, draws the pelvic floor slightly upward (the root lock, or hui yin), and with slow, deep abdominal breathing, guides awareness up the spine on the inhale and down the front of the body on the exhale, completing the circuit at the lower dan tian (the energy center two inches below the navel). With practice, the sensation of qi — warmth, tingling, electrical current, or a sense of fullness that moves with attention — becomes unmistakable. The traditional claim is that circulating qi through the microcosmic orbit revitalizes the organs, clears energetic blockages, and accumulates jing (vital essence) into the lower dan tian, converting it to qi and eventually to shen (spiritual energy) in the classic Taoist formula of three-treasure cultivation.
The biomedical research on qigong has grown substantially in recent decades. A 2010 systematic review in the American Journal of Health Promotion by Roger Jahnke and colleagues analyzed 66 high-quality studies of qigong and tai chi (a related practice), finding consistent evidence for effects on bone density, cardiopulmonary fitness, balance and fall prevention, quality of life, self-efficacy, anxiety, depression, and blood pressure. The mechanisms proposed include parasympathetic nervous system activation (the slow, deep breathing and focused attention of qigong reliably shifts the autonomic nervous system toward the rest-and-digest mode), neuroendocrine regulation (cortisol and inflammatory cytokine reduction), and improved interception (body awareness). The hypothesis that the subjective experience of qi corresponds to bioelectrical or biophotonic phenomena remains an active area of research in biophysics, with Hiroshi Motoyama's work in Japan on the measurement of electrical properties at acupuncture meridians representing one promising line of inquiry.