A developing Myostability framework
Myos
A collective response.
A functional pattern.
What if a pattern that limits movement is an expression of a capacity the body already has? Myos gives that possibility a name and a place to be explored.
The proposed definition
A Myos is a collective response to an experience or accumulated experiences, typically expressed as a limiter of function or movement.
The individual inputs may vary, while the body draws on an existing capacity to produce the response.
An existing capacity.
A conditional expression.
In this framework, the capacity for a Myos is part of us. Experience and present conditions influence how that capacity is expressed. The proposal begins with the possibility that limiting function can be an organized response within the body.
Already available
The body draws on an existing capacity to produce the response. That capacity can remain available across changing circumstances.
Shaped by experience
A Myos is considered in relation to an experience or accumulated experiences. Different inputs may contribute to a similar pattern.
Present in degrees
The framework proposes that even a quiet or latent pattern may limit available function. How much it limits, and under which conditions, becomes a question to examine.
From a point to a process
The pattern has a context.
A trigger point is one possible physical feature to consider within a larger Myos pattern. A tender area may also be relevant. The framework asks how local findings relate to the person’s movement, function, and experience.
Research has described differences in muscle activation associated with latent trigger points. [1] Identifying these points consistently remains a challenge, and imaging research is still developing. [2] [3]
The point is an observation. The relationship between that point and the whole response is a question.
Thinking across systems
The body has conditional responses.
Established physiology offers parallels for thinking about capacities that become more apparent under particular conditions. In Myostability, these parallels help frame a question about muscle.
The mammalian diving response
The diving response includes a slowing of heart rate and changes in circulation that help conserve oxygen during submersion and breath-holding. It illustrates how the body can reorganize function in relation to a situation. [4]
Ketosis
Ketone production and use change with metabolic conditions, including fasting. This offers another example of an existing physiological capacity whose expression varies with circumstances. [5]
These are physiological parallels for the idea of conditional capacity. Whether Myos has a comparable adaptive role is part of the proposal to investigate.
Making the idea observable
Questions that move the framework forward.
A useful framework gives us clearer things to notice, describe, compare, and test.
What changes when a pattern changes?
Movement range, force, coordination, endurance, and the effort required for a task offer different ways to describe function. Observing them separately can help distinguish a change in sensation from a change in capacity.
What does “latent” mean here?
In the Myos proposal, a quiet pattern may still influence available function. Clinical literature uses “latent trigger point” more specifically for a point without spontaneous pain that can be painful when stimulated. The relationship between these two ideas needs to be established through observation and research.
Can a functional response have unwanted effects?
A response can serve a function and still carry costs. The proposal leaves room for restriction, discomfort, or other unwanted experiences to accompany a pattern. Questions about dizziness, a runny nose, or ear fullness remain questions about association and cause; these sensations alone do not identify a Myos pattern.
What would support the idea of an adapted response?
Evidence would need to show when the response appears, what reliably changes it, and whether its effects provide a measurable advantage under particular conditions. A repeatable difference in movement or muscle activity is a starting observation; establishing an adaptive role requires further testing.
A wider view of Myostability
Experience. Response. Available function.
This gives Myostability a way to explore how a person’s present pattern relates to what the body has experienced and what it is being asked to do now.
The guiding question becomes: How is this response shaping the function available to this person, in this situation?
Read further
Research informing the questions
The sources below describe trigger-point research and the physiological parallels discussed here. Myos is the developing framework presented on this page.
- 1. Latent trigger points and muscle activationLucas, Rich & Polus (2010). Differences in shoulder-muscle activation patterns. Association does not establish an adaptive purpose or a universal loss of capacity.
- 2. Reliability of trigger-point palpationRathbone and colleagues (2017). A systematic review and meta-analysis examining agreement between examiners.
- 3. Imaging of myofascial trigger pointsMazza and colleagues (2021). A systematic review of imaging methods, promising findings, and remaining diagnostic questions.
- 4. The mammalian diving responsePanneton (2013). A review of the coordinated physiological response associated with diving.
- 5. Ketone body metabolismNewman & Verdin (2017). A review of β-hydroxybutyrate as a fuel and signaling metabolite.
Myostability · A developing framework for exploring function
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