06
Trapezius–Sternocleidomastoid Complex
Step 1
Understanding the Problem
This modality teaches the release of the Trapezius–Sternocleidomastoid Complex, two major muscles responsible for stabilizing the head and shoulders. Chronic spasm in this system can produce neck pain, headaches, and restricted movement of the cervical spine.
The trapezius and sternocleidomastoid (SCM) are not typically the root cause of complex dysfunction, but when they enter spasm, they create a persistent and often overlooked pattern of imbalance.
Clients rarely present with sharp, localized pain in these muscles. Instead, they describe:a constant achetightness through the neck and shouldersfatigue from holding the head upright
These muscles act as positional stabilizers.
When they lose the ability to relax, the body reorganizes around them.
The result is not collapse, but compensation—a system that is held in place rather than freely balanced.
Step 2
The Clinical Problem
Clinically, trapezius and SCM spasm presents as a chronic, diffuse pattern of tension rather than an acute injury.
Common findings for SCM include:
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persistent aching in the mastoid process and upper shoulders
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weakness and mastoid headache while looking up
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inability to rotate the head toward this muscle when it is in spasm
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restricted ability to look downward
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tenderness at the mastoid process
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fatigue associated with maintaining head posture
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subtly lifting and extending the head
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restricting flexion at the upper cervical spine
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producing localized pain at the mastoid during attempted downward movement
And, for trapezius include:
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persistant aching, inflammation and palpable tension in the very back of the occipital bone.
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scoliotic curve along the entire origin of the trapezius (Occipital bone, C7 to T12)
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the levator scapulae lifts the inside of the scapula bone, but when the outside of the scapula bone, along with the scapula, are elevated, we know the trapezius is in spasm
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the vertebral column appears to roll toward the side of contraction
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the spinous processes rotate ipsilaterally
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the entire system adopts a biased resting position
This combination creates a pattern where the client is not only in discomfort, but is mechanically unable to settle into a neutral position.
This is why many symptoms that appear to originate in the back of the head - from the occipital bone to the mastoid process of the temporal bone, actually arise from spasm of the Trapezius and SCM.
Step 3
Why This Happens
These patterns arise because the trapezius and SCM are constantly active in maintaining the position of the head against gravity.
Unlike many muscles that work intermittently, these muscles are engaged throughout the day to stabilize:
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head position
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gaze orientation
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shoulder and upper spinal alignment
When fatigue, stress, or repetitive postural demands are introduced, these muscles can enter a state of involuntary contraction.
Once in spasm:
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the Trapezius begins to anchor the shoulder and upper spine, pulling the system toward one side
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the SCM maintains a subtle lifting and extension of the head, resisting downward movement
Because these muscles operate at a global level, their contraction does not remain isolated. Instead, it is distributed across the entire system.
The trapezius, due to its size and attachments, can influence the orientation of the vertebral column, creating the observed ipsilateral rotation and spinal roll.
The SCM, due to its attachment at the mastoid, introduces tension at the cranial base, particularly during attempts to extend the neck.
From a Releasology perspective, this represents a disruption in conduction.
A muscle in spasm behaves as a point of resistance within the system. Instead of transmitting force smoothly, it absorbs and redirects it, creating asymmetry.
As this resistance persists:
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movement becomes restricted
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effort increases
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awareness narrows
The system adapts around the restriction, reinforcing the pattern over time.
Step 4
Anatomy
Sternocleidomastoid
Anterior View
Origin: Sternum and Clavicle bones
Insertion: Mastoid process of Temporal bone
Movement: Rotation of Skull (Cranium)
Bilateral: When both sides contract simultaneously, they tilt the head up, extending the head
Innervation: Accessory (Xl) n.
The trapezius spans from:
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occipital bone
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ligamentum nuchae
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spinous process of every vertebrae from C7 to T 12
insertion:
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clavicle
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acromion
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scapula
Movements:
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upper trapezius - elevation and adduction
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middle trapezius - adduction
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lower trapezius - depression, adduction and internal rotation
It influences both spinal alignment and shoulder positioning.
The SCM
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originates from: suprasternal notch of sternum and medial clavicle
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inserts onto mastoid process
It directly controls:
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head rotation (contralateral -turns to the side opposite of the muscle)
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extension, AKA looking up (when both sides contract simultaneously)
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cranial positioning
Together, these muscles form a functional system of head and neck stabilization. and, both sides together extend the head when they contract.
Step 5
Palpation
The trapezius and sternocleidomastoid are relatively easy to palpate because they are easy to find. Let's break it down.
The trapezius muscle has a very wide origin. Its origin spans from the occipital bone, ligamentum nuchae, spinous process of the 7th cervical vertebrae and the spinous process of every vertebrae from C7 to T12. Its insertion is onto the lateral third of the spine of the scapula, the acromion and the lateral third of the clavicle bone. When it contracts it elevates the scapula, when the upper portion contracts. It also can depress the scapula when the lower portion contracts. It adducts the scapula pulling it toward the scapula on the other side always, wether the upper of lower portion are contracting. When in spasm, the trapezius causes a scoliotic curve in the spine from the head to the bottom of the ribcage. This straightens out when the trapezius is released. This is one of the biggest reasons this modality is being offered - to teach how this curve can be straightened out - by releasing the trapezius. The trapezius also causes pain at its other attachments when it is in spasm. The clavicle portion of its insertion is the most commonly overlooked and it does cause a lot of pain when this portion of the trapezius is in spasm. The acromon will be raised - the classic lift of the outside of the shoulder is what we see when the trapezius is in spasm. It also causes pain near the levator scapulae and can be confused with it as a source of pain. Let's move on to the sternocleidomastoid.
The sternocleidomastoid connects the sternum and clavicle on its inferior side to the mastoid process of the temporal bone at its superior attachment. The inferior attachment is the origin of this muscle because it really does not move when it contracts and serves as a solid anchor. The insertion at the mastoid does all of the moving - when the head rotates, or looks up. This muscle does contralateral rotation - meaning when it contracts, it turns the head toward it. The SCM, as we call it, is the main muscle that rotates the head. When both sides contract, together they extend the head. Someone with a low anatomy IQ will think these muscles flex the head when they contract, but since the fulcrum is in front of the insertion, these muscles tilt the head up, which is extension. This can be confirmed in any anatomy book though people will argue about it.
Now that you know where these muscles are, palpate them in their entirety from their origin to insertion. Locate the tightest fibers within the tightest portions of muscles. Then, locate the tightest points within the tightest fibers. Then, try using one hand to rotate the head while using the other hand to palpate each of these muscles. Then, try moving the shoulder in every different direction with one hand while the other hand palpates and attempts to feel tense muscle fibers within these muscles and changes that happen when the muscles move.
When I say palpate, I always mean cross-fiber palpate. Feel back, and forth, across tightest fibers of a muscle to really make out where they are. When feeling in the direction of muscle fibers you really won't feel much. It is important to note that when one begins to apply yang pressure, absolutely no cross-fiber movement can happen, or you will cause micro-tears of the fibers you are trying to release. Cross-fiber movement is the only good way to palpate, but cannot be done at all once the targeted fibers are found. Then, only straight compression is allowed to avoid causing muscle tearing. This is of key importance
Step 6
Neurological Consequences
Although the trapezius–sternocleidomastoid pattern are not typically a primary source of complex neurological dysfunction, it significantly alters the neuromuscular environment of the cervical region.
When these muscles—and their accessory partners—enter sustained spasm, they create a state of continuous tension surrounding the upper spine and lower cranial base.
This does not result in direct compression of neural structures, but it does influence:
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proprioceptive signaling from the cervical spine
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muscle spindle activity, increasing baseline tone
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perception of effort and stability
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local sensitivity within the neck and head
The nervous system relies on accurate input from the cervical region to maintain balance, orientation, and coordination. When this input becomes distorted by persistent muscular contraction, the system must compensate.
Clients may experience:
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a sense of tension or unease in the neck
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reduced awareness of neutral head position
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fatigue from maintaining posture
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difficulty relaxing even at rest
In some cases, particularly when the scalenes are involved, there may also be:
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a subtle sense of pressure or tightness in the throat or base of the neck
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altered breathing patterns due to rib elevation
Conduction and Neurological Tone
From a Releasology perspective, this pattern represents a disruption in conduction at a global level.
The trapezius, SCM, and their accessory muscles form a continuous field across the neck and shoulder girdle. When this field becomes rigid:
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force transmission becomes uneven
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movement requires effort
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awareness becomes localized and restricted
The system shifts from a state of responsive adaptation to one of protective holding.
In this state, what we describe as Prana—the integrated flow of force, fluid, and neurological information—is diminished.
Rather than moving freely through the system, it becomes fragmented.
Functional Impact
Unlike deeper cranial patterns, this modality does not typically produce dramatic neurological symptoms such as vertigo or tinnitus.
Instead, it creates a background condition in which the nervous system operates with reduced efficiency.
This can:
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amplify other dysfunctions
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delay recovery from more significant issues
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contribute to chronic discomfort and fatigue
It is often the key to a system that feels:
👉 “held together”
and one that feels
👉 “naturally balanced”
Resolution
When the trapezius, SCM are released:
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proprioceptive input normalizes
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muscular tone decreases
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the system regains a sense of ease
Clients often report:
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a reduction in effort required to hold the head upright
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improved awareness of posture
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a sense of calm or settling in the nervous system
From a clinical standpoint, what is restored is not simply movement, but clarity within the system.
From a Releasology perspective, conduction improves, and Prana begins to move more freely again.
The nervous system no longer needs to compensate for constant muscular resistance.
It returns toward a state of balance, responsiveness, and coherence.
Step 7
Technique Demonstration
In this section, you will observe a complete demonstration of the trapezius–sternocleidomastoid release.
Your goal is not to passively watch, but to study the method with precision.
Watch the demonstration at least twice before attempting the technique.
First Viewing — Understand the Flow
During your first viewing, focus on the overall structure of the session:
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how the practitioner positions their body
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where contact is made on the trapezius and SCM
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the sequence of engagement
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how the practitioner steches each muscle
Do not attempt to memorize details yet.
Instead, understand the rhythm and pacing of the work.
Second Viewing — Focus on Mechanics
On your second viewing, begin to study the details:
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observe how the practitioner uses their core muscles and leg strength rooted in a strong stance to support every movement. rather than brute hand strength
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notice the angle of pressure into the tissue
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identify how the practitioner locates the most restricted fibers
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watch how the hands remain still and precise, rather than moving excessively
Pay close attention to:
👉 cross-fiber palpation
👉 how the practitioner refines contact into the tightest band
Third Viewing (Recommended) — Observe the Release
If possible, watch a third time with focus on the moment of release:
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how long the practitioner takes to get in position to begin the yang phase (focussing pressure)
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how long the practitioner takes to get in position to begin the yin phase (triggering release)
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how the muscle appears to liquify after yin begins
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how the position of attached bones changes
This is where the technique becomes clear.
What to Look For
As you study the video, continually ask:
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Where is the true point of restriction?
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How does the practitioner arrive at that point?
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What does the tissue look like before vs. after release?
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How does the practitioner maintain stillness and patience?
This is not a technique of force.
It is a technique of precision and awareness.
Preparation for Practice
Before moving on to the next steps:
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ensure you understand the sequence of contact points
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visualize yourself performing the technique
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be clear on where your hands will be placed and how your body will be positioned
You are not expected to perform this perfectly on your first attempt.
However, you should be able to:
👉 identify the correct structures
👉 apply pressure with control
👉 recognize resistance in the tissue
Releasology Perspective
The demonstration is not simply showing “where to press.”
It is showing:
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how to direct force through the body
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how to locate non-conductive tissue
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how to remain present until conduction is restored
Watch not only what the practitioner does, but how they remain still, grounded, and attentive.
This is where the technique truly lives.
Step 8
Worksheet Exercise
Download the worksheet provided below and complete it before moving on.
This exercise is designed to reinforce your understanding of the muscle’s structure, location, and function through active engagement.
Using your phone, tablet, or printed version:
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draw the target muscles (trapezius and SCM) in two seperate worksheets, click to open below. Draw the muscles in red on the images of the skeleton
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indicate fiber direction with the lines
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Fill in blanks for:
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Origin
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Insertion
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Action
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Innervation
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As you complete the worksheets, visualize the muscle in a real body and begin forming a mental map you can later access during palpation.
Once completed:
👉 Take a screenshot of your completed pdf worksheet on your phone
👉 Upload both pdf completed worksheet screenshots below
⚠️ Your work is not saved until you click “+ UPLOAD and Submit” for each worksheet
sternocleidomastoid
trapezius
Step 9
Practice Assignment
Clinical Skill Development
Performing the Trapezius–Sternocleidomastoid Release
In this step, you will perform the full trapezius–sternocleidomastoid modality on a practice client.
Your goal is not perfection.
Your goal is to demonstrate:
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correct positioning
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accurate contact
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controlled application of pressure
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ability to identify and engage the point of restriction
Preparation
Before beginning:
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review the Technique Demonstration (Step 7)
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review your Worksheet Exercise (Step 8)
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ensure you understand:
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where the muscles are
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where you will place your hands
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what you are trying to feel
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You should not begin this step until you can clearly visualize the technique.
Client Setup
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Client is laying comfortably (supine)
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Neck and shoulders are relaxed
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You have clear access to:
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upper trapezius
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SCM
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Explain to your client:
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they may feel pressure, but not pain
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they should remain relaxed and breathe normally
Execution
You will perform:
1. Trapezius Release - perform each step for the upper, middle and lower portions
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Establish contact along the fibers and attempt to stretch the insertion from this muscles origin
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Apply slow, controlled pressure into the tightest points within the tightest fibers within each of the three portions of the trapezius
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Locate the most resistant bands, increase your pressure with the thumb or finger-tip ridge of one hand while the other hand assists in stretching the insertion from the origin
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Maintain steady pressure until the point feels like it is ready to begin relaxing.
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Transition into the yin pulse. Try to make it feel like you are reducing pressure without letting go. This is about paying close attention to the subtle micro-changes you can feel in this stage.
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Make it feel like you are backing off pressure, but don't go anywhere, and you will trigger the yin flow. This means, the muscle will begin to liquify and let go. Sometimes the insertion can dramatically release from the origin and the muscle may appear to fill with water - taking on a healthy, toned shape.
2. SCM Release
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Gently isolate the muscle
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Apply precise pressure (do not compress surrounding structures unnecessarily)
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Identify the tightest portion
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Maintain pressure and wait for the release
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Follow the same steps for this muscle as the trapezius and do both on each side.
What You Are Looking For
During the session:
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Where is the primary restriction?
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Does the tissue feel:
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soft (relaxed)
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or solid (involuntary contraction)?
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Do you feel the transition from:
👉 resistance → release during the Yang-Yin pulse
This is the key moment.
After the Release
Observe:
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head position
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shoulder level
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ease of movement
Ask your client:
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Does the neck feel lighter?
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Is it easier to look down?
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Has the mastoid discomfort changed?
Practice Standard
You are expected to:
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correctly locate both muscles
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apply controlled, steady pressure
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demonstrate patience (not force)
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recognize when release occurs
Step 10
Treatment Recording
In this step you will record yourself performing the trapezius and sternocleidomastoid release technique so your form and body mechanics can be evaluated.
You will need:
• a massage table or treatment surface
• a practice subject
• a tripod or stable support for your phone or camera
• good lighting so your hand placement is clearly visible
Position the camera so that the following are clearly visible in the video:
• your hand placement on the client
• your body mechanics and posture
• the direction of pressure you apply
• the client’s neck and shoulder region during the release
The video should show the entire treatment sequence, from initial contact to release.
Record yourself performing the trapezius-sternocleidomastoid complex so your form and body mechanics can be evaluated.
☑ correct finger placement
☑ practitioner body mechanics
☑ the Yang engagement phase
☑ the Yin release phase
The video should show the full treatment sequence from initial contact to muscle release.
Step 11
Client Testimonial
After completing the session, record a short testimonial from your client.
Recording Guidelines
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Use your phone on a tripod or stable surface
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Frame both you and the client, or just the client clearly
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Ensure good audio quality
Ask Your Client
Keep it simple and natural:
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How did it feel before the session?
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What did you notice during the work?
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How do you feel now?
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Is movement easier (especially looking down)?
What We Are Looking For
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genuine response
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clear change in perception
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observable improvement
Submission
Step 12
Knowledge Check
& Module Completion
Knowledge Check
Answer the following questions in your own words:
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What is the primary role of the trapezius and SCM in this pattern?
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How does trapezius spasm affect the orientation of the spine?
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Why does SCM spasm restrict downward movement of the head?
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How do you distinguish between tension and true spasm during palpation?
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Which accessory muscles reinforce this pattern?
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What indicates that a release has occurred?
Submission Checklist
Ensure the following have been completed and uploaded:
• Worksheet Exercise (Step 8)
• Technique Video (Step 10)
• Client Testimonial (Step 11)
All submissions should clearly demonstrate understanding and control.
Completion Standard
This module is complete when you can:
• Accurately locate and understand the involved muscles
• Apply the technique with control and precision
• Recognize and wait for true release
• Demonstrate observable change in your client
You should now be able to identify this pattern and resolve it without force.
Take the Quiz:
1. These muscles primarily influence which region?
A. Lower leg
B. Neck and upper shoulder
C. Abdomen
D. Wrist
Dysfunction in this complex often causes:
A. Knee instability
B. Neck tension and headaches
C. Ankle swelling
D. Hip pain
The sternocleidomastoid contributes to:
A. Jaw opening
B. Head rotation and extension
C. Arm extension
D. Rib compression
Why can this complex create headache, specifically in the back, and side, of the skull?
A. It weakens the eyes
B. This is where these muscles attach, so they cause compression and pain in this region
C. It compresses the lungs
D. It reduces oxygen intake
Releasing this complex restores:
A. Muscle size
B. Balanced head and neck positioning
C. Bone density
D. Joint lubrication