Internal Martial Arts: Refining Force
Internal martial arts explore how structure, timing, attention and whole-body coordination can refine force while reducing unnecessary effort.
Pillar: Tradition
A beginner in martial arts might put more effort into a strike than they feel results in the force. It can feel disconnected from the body and effort is lost before it reaches the point of impact. The shoulders might rise, the breath holds, the body braces and several more muscles activate than those needed. The technique may ultimately land, but in the movement, force may be exerted against the practitioner’s own intention and more energy exerted elsewhere than required.
The understanding of internal martial training may begin with that observation. Its aim is not to make movement soft, slow or mysterious, although the slowness in itself can be helpful in identifying disconnects. It is to refine the practitioners' understanding and method of the way force is organised and developed. It seeks to remove what is unnecessary so that structure, timing, breath and intention can work together. The result is not less force at the point of effect, but less waste in producing it. This is not to say that so called external styles accept wasted effort, however depending on the style, they take different approaches to reaching economy of effort.
This is a way to understand the label of internal martial arts beyond the familiar opposition between softness and hardness. It also helps explain why Wuzuquan (五祖拳; Wǔzǔquán) does not sit neatly on either side of the internal–external divide.
A useful distinction rather than pillars
While the grouping of Wudang (武當; Wǔdāng) styles have more recently been understood as the internal arts, the terminology of internal and external Chinese martial arts have arisen through historical cultural and political influences. They are not precise categories and different traditional martial arts do not sit neatly in each.
The contrast between the two ends of the spectrum can certainly highlight a real difference in emphasis. Some systems begin visibly with tensive strength, speed, and conditioning. Others begin with alignment, awareness, breath, sensitivity and whole-body coordination. Yet with experience, practitioners tend not to remain at either extreme. External systems may develop efficient power and use timing effectively to minimize effort; internal systems still require strength, conditioning and the ability to apply force if they are to remain martial.
External practice is also not simply brute force. Skilled practitioners in boxing, judo, karate or kung fu also remove wasteful movement. They increasingly refine the relaxation of particular muscles in opposition to others that contract for a specific technique. They learn when to be loose, when to connect and when to commit. The distinction is therefore not between intelligent and crude movement. It is about which qualities a system places at the centre of its method, and how it expects those qualities to mature.
Internal as a process of subtraction
Internal skill is often described through the qualities it develops. However, an alternative approach is by looking at what it removes. While training helps to build habits and routines, it can also expose tendencies that impede force; unnecessary bracing, localised muscular effort, broken alignment, premature movement and attention that jumps ahead of the body.
As these tendencies are addressed, movement can become more integrated. The legs, pelvis, torso and hands align in sequence rather than as disconnected units. The breath supports pressure and rhythm without becoming isolated in particular movements. Intention gives the movement direction without tightening the body in anticipation. Force is produced, but it is increasingly difficult to isolate a particular muscle or limb as its source because the whole body is engaging, unless the isolation is the intention.
Minimum refined force does not mean doing everything gently. It means using no more effort than the movement requires, delivered through the most coherent organisation available. A short strike may feel compact and heavy. A receiving movement may look almost empty. Both can express the same principle: enough force, in the right direction, at the right moment—without surplus holding.
This refinement is tested most clearly under pressure. It is far easier to demonstrate relaxed power when nothing is resisting. Contact reveals whether the body can stay connected without becoming rigid, adapt without collapsing and issue force without first advertising tension. The internal quality is not the appearance of calm. It is the preservation of choice when force enters the system.
Where Wuzuquan sits
Wuzuquan may look like an external art on the surface. Its training is physically demanding, the techniques are direct, while conditioning and martial application are primary. This Fujian martial tradition, associated with Southern Shaolin lineage accounts, is expressed through compact stance, close-range power and the interplay of hard and soft qualities.
Yet the deeper practice and philosophy demonstrate significant characteristics what might be considered internal systems. In the lineage explored here, forms are used to coordinate stance, breath, attention and force until they operate as one process. The practitioner learns to establish structure without rigidity, to generate force without restricting the breath, and to become firm at the moment of expression without tensing throughout.
That is why Wuzuquan may be best understood as sitting between internal and external—or perhaps as showing the limit of the distinction. It does not abandon visible conditioning in favour of an exclusively inward method. Nor does it treat muscular effort as the primary source of power. It uses external training to build a body capable of force, then progressively refines how that force is organised, transmitted and released.
San Zhan (三戰; Sānzhàn) makes this process observable. At first, a student may create stability by holding. The shoulders, chest and arms work hard to maintain the shape. With correction and repetition, the stance becomes more rooted while the upper body becomes less burdened. Breath and movement stop competing. Under partner pressure, force can travel through the frame rather than being absorbed by one joint or answered by a single limb.
The process is both additive and subtractive. Strength, resilience and technical knowledge are built. At the same time, excess tension, delay and fragmentation are stripped away. The mature quality is neither hard nor soft in isolation. It is the capacity to change between them without losing structure or intention.
A wider internal landscape
Different schools of Taijiquan (太極拳; Tàijíquán), Xingyiquan (形意拳; Xíngyìquán) and Baguazhang (八卦掌; Bāguàzhǎng) provide useful reference points because, with each placing different emphases on coordinated power and cultivated awareness. While there are different styles, Taijiquan broadly explores yielding, continuity and change; Xingyiquan develops direct expression organised by intention; Baguazhang trains adaptation through continuous turning and repositioning. Their outward forms differ, but each seeks to explore and refine how the body can act as a connected whole.
Southern systems approach some of the same questions through different training cultures. Wuzuquan retains a harder martial surface. Wujiquan (無極拳; Wújíquán), as transmitted within the Chee Kim Thong lineage, works through softer, continuous movement and the recurring transition between stillness and expression. These methods should not be collapsed into a single theory of ‘internal energy’. Their value lies partly in the different ways they train and reveal coordination, attention and force.
Why it matters now
The value in Wuzuquan and related practices lies in the generations of practitioners who have developed demanding methods for examining the relationship between attention, breath, structure and action within practice. It is not that internal practice transcends ordinary physiology, but it is within our physiology to be discovered.
Those methods deserve serious engagement, but also careful language. Terms such as sung (鬆; sōng), yi (意; yì), jin (勁; jìn) and dantian (丹田; dāntián) guide training within particular traditions. They should not be turned casually into modern anatomical claims. The more useful questions are practical: What changes as excess effort is removed? How does coordination hold up under contact? Can force become more efficient without losing effectiveness? Which capacities transfer beyond the training hall?
For Wuzuquan, these questions are not abstract but raised constantly in practice. It is in the difference between holding a posture and inhabiting it; between pushing from the arm and shoulder to transmitting through the body; between performing hardness and becoming firm only where and when firmness is needed.
Internal development, in this sense, is not a separate world hidden behind external technique. It is the gradual refinement of technique from within. The practice continues until effort becomes more economical, force more coherent and response more adaptable. What remains is not an absence of strength, but strength with less interference.
The practice is easy to write about and challenging to implement: build what is needed, remove what is not, and test the difference under pressure. It is essentially gong fu (功夫; gōngfu)—developing the capabilities through intention and effort over time.
Sources and further reading
International South Shaolin Wuzuquan Federation. “History of Wuzuquan.” Lineage account.