Arcing

Arcing is an exploratory method used before treatment to determine, "Where should I begin working with my hands?" When someone has discomfort in more than one or two areas, it can be difficult to judge which area came first and which areas followed. Arcing seeks clues by quietly exploring around the body with the hands.

The term was first used by American osteopathic physician John E. Upledger within his system of Craniosacral therapy. Upledger's craniosacral therapy holds that energy from trauma or impact can remain concentrated in one part of the body, calling this an 'energy cyst.' Arcing is a way of using the hands to locate where such a cyst might be.

Integrative Manual Therapy adopted both the term and the concept. The connective tissue book (Volume 4) written by Sharon Weiselfish-Giammatteo, who systematized Integrative Manual Therapy, and Jay Kain credits Upledger as the first person to describe this phenomenon. It explains that the same phenomenon may be encountered during Myofascial mapping in Integrative Manual Therapy.

This approach views the human body as containing not only physical aspects but also emotions, thoughts, and spiritual or other energies. It explains that when two or more of these overlap in the same tissue, a change in pressure occurs there. The tissue's inherent rhythm then becomes quiet; such a location is called a Still space.

This is where the central metaphor of arcing begins. When a pebble is thrown into still water, concentric ripples spread outward from the point where it lands. The idea is that when energies intersect within tissue, small ripples spread outward in the same way. The practitioner senses these ripples with the fingertips and traces them back to their origin to reach the center of tension.

IMT describes arcing as a tool for distinguishing the primary site among multiple areas of discomfort—the location that affects the person more deeply. In this view, the site identified through arcing is where emotional or thought processes have become lodged in the body.

The assessment takes place while the person lies comfortably, fully clothed. The practitioner gently positions their hands just above the body's surface or a short distance away and waits. Rather than pressing firmly or rubbing, they explore slowly, sensing which direction their hands are drawn and where a ripple-like sensation is coming from.

In IMT, this exploration is performed both at the body's surface and in layers a short distance above it. Myofascial mapping examines three distinct levels approximately 4 inches (about 10 centimeters), 8 inches (about 20 centimeters), and 12 inches (about 30 centimeters) from the body. The first level is considered to reflect the musculoskeletal state, the second emotional energy, and the third mental or spiritual energy. French osteopathic physician Jean-Pierre Barral also distinguished three layers that can be palpated around the body; the book describes these as planes approximately 8 centimeters, 12 centimeters, and 18 centimeters from the body. In myofascial mapping, these layers are called 'reference levels.'

The person being assessed generally experiences stimulation so light that it may be difficult to tell whether the hands are touching them at all. When the practitioner keeps their hands at a particular location, physical responses such as a feeling of warmth in the body or naturally deeper breathing may sometimes occur.

• People with simultaneous discomfort in multiple areas, such as the shoulders, lower back, and digestive system, who feel unsure where to begin addressing it
• People who continue to develop discomfort elsewhere even after one area has been eased
• People who feel that one particular part of their body has remained unusually tense since a stressful event or shock

• Rather than a treatment tool, arcing is an exploratory stage in which the practitioner first assesses with their hands. This is followed by actual care, such as myofascial release or craniosacral therapy.
• Because the sensations are subtle, a quiet environment is preferable. During the assessment, it can be helpful to close your eyes, breathe comfortably, and tell the practitioner about any changes you notice in your body.
• Some people experience bodily responses during care, such as tears or the emergence of past memories. Craniosacral therapy describes this as SomatoEmotional Release and advises allowing it to unfold rather than trying to suppress or explain it.
• Arcing is not a diagnostic method for identifying diseases. It is an exploratory method used in this approach to guide where to begin hands-on work. If you have physical discomfort, seek medical care at a hospital or clinic alongside this approach.