Tàijí Shísān Shì (太极十三势), the Thirteen Postures of Tàijí, is regarded as the original form created by Zhāng Sānfēng (张三丰) and the theoretical root of all Wudang Tàijíquán. The number thirteen is not arbitrary — it derives from the combination of eight hand techniques (corresponding to the Bāguà 八卦, Eight Trigrams) and five stepping methods (corresponding to the Wǔxíng 五行, Five Phases). Together, they encode the complete cosmological and martial framework of Wudang internal arts.

Within the Sānfēngpài, the Tàijí 13 is considered one of the most important forms for understanding principles. It is not the longest or most physically demanding form, but it contains the essential vocabulary from which all other Tàijí practice derives.

Structure: Eight Hands and Five Steps

The Eight Hand Techniques (八法 Bāfǎ)

The eight techniques correspond to the eight trigrams of the Bāguà:

The first four (Péng, Lǚ, Jǐ, Àn) are called the Four Primary Hands (四正 Sì Zhèng) — they operate along the cardinal directions. The second four (Cǎi, Liè, Zhǒu, Kào) are called the Four Corner Hands (四隅 Sì Yú) — they operate along the diagonal directions.

Every technique in Tàijíquán, no matter how complex, can be analyzed as a combination or variation of these eight fundamental methods.

The Five Steps (五步 Wǔbù)

The five stepping methods correspond to the Wǔxíng:

Central Equilibrium (Zhōng Dìng) is both a stepping method and a principle — the ability to maintain balance and rootedness regardless of direction or technique. It corresponds to Earth, the centering phase.

The Form

The Tàijí 13 form arranges these thirteen elements into a continuous sequence of movements. The form is relatively short compared to the 28 or 108 forms, but each posture is dense with meaning. Every transition between postures demonstrates a principle: how Péng transforms into Lǚ, how advancing becomes retreating, how the center holds while the limbs express.

The form is practiced slowly, with even speed and continuous flow — the defining characteristic of all Tàijíquán. Softness and hardness are maintained simultaneously rather than alternating. The breath is natural and coordinated with movement but never forced.

Why the Thirteen Postures Matter

The Tàijí 13 is the form most directly connected to principle rather than technique. A practitioner who understands the 13 Postures understands the logic underlying every movement in every Tàijí form. The 28 Form and 108 Form expand and elaborate, but they do not introduce new principles — they develop the same eight hands and five steps in more complex combinations and sequences.

This is why the Sānfēngpài tradition teaches the 13 early and returns to it often. It is the form you practice when you want to refine your understanding of what Tàijí actually is, rather than adding more techniques.

Relationship to Push Hands

The eight hand techniques of the Thirteen Postures translate directly into Tuīshǒu (推手, Push Hands) — the two-person sensitivity training of Tàijíquán. In push hands practice, partners exchange Péng, Lǚ, Jǐ, and Àn in continuous cycles, learning to feel intention through contact, to yield without collapsing, and to issue force without losing balance.

The Thirteen Postures can be understood as the solo practice of the same skills that push hands develops with a partner. The form trains the body to express the eight energies; push hands tests whether that expression holds under the pressure of another person's force.

Classical References

The phrase "Tàijí Shísān Shì" appears in the ancestral writings preserved by several major Tàijí families. The classical text Tàijíquán Lùn (太极拳论, Treatise on Tàijíquán), attributed to Wáng Zōngyuè (王宗岳), describes the principles that govern the Thirteen Postures without naming the form directly — but the framework of eight techniques and five steps pervades the entire text.

The oral tradition of Wudang Mountain traces the Thirteen Postures directly to Zhāng Sānfēng's integration of martial technique with Daoist cosmological theory — the moment when the Bāguà and Wǔxíng became not just philosophical categories but bodily expressions of universal principles.

Key Terms

• Bāfǎ (八法) — the eight methods / eight hand techniques
• Wǔbù (五步) — the five steps
• Sì Zhèng (四正) — the four primary hands (Péng, Lǚ, Jǐ, Àn)
• Sì Yú (四隅) — the four corner hands (Cǎi, Liè, Zhǒu, Kào)
• Zhōng Dìng (中定) — central equilibrium
• Tuīshǒu (推手) — push hands