08/09/2026
A great read some really good insight into fascia 💗 and explained better than I ever could 😬
https://www.facebook.com/share/1FEKn8V25H/?mibextid=wwXIfr
Fascia and the Tension Cycle: How the Body Adapts—and Gets Stuck
What begins as a normal, protective response in the body can sometimes become a pattern that’s hard to undo.
A small injury, strain, or even repeated stress can create tension in the tissues. Over time, the body adapts to that tension—and if it isn’t resolved, the system can become organized around it.
This is how helpful becomes limiting.
Fascia, Fibroblasts, and Tension in the Horse
Fascia can tighten and compress surrounding structures—nerves, blood vessels, lymphatics, and the extracellular matrix (ECM)—reducing their ability to move, glide, and communicate effectively.
A key driver of this process is the behavior of fibroblasts and myofibroblasts.
What Fibroblasts and Myofibroblasts Do
Fibroblasts
Fibroblasts are the primary cells responsible for maintaining and remodeling fascia.
• Produce collagen and ground substance
• Respond to mechanical load and movement
• Help maintain tissue elasticity and hydration
In a healthy system, fibroblasts support adaptability and resilience.
Myofibroblasts
Under certain conditions—such as injury, inflammation, or sustained tension—fibroblasts can transform into myofibroblasts.
• Have contractile properties (similar to smooth muscle)
• Generate and maintain tension within the tissue
• Continue responding to mechanical stress when tension persists
This is beneficial during short-term healing, but becomes problematic when it continues long after it’s needed.
How This Creates Restriction
When myofibroblast activity remains elevated:
• Fascia becomes denser and less elastic
• Tissue layers lose their ability to glide freely
• Nerves may become mechanically restricted
• Blood and lymph flow can be compromised
• The ECM becomes less fluid and more resistant
This creates a system where:
Tension reinforces tension
Effects in Key Areas of the Horse
Thoracolumbar Fascia & Back Muscles
This region is critical for force transmission between the front and hind end.
When fascial tension increases:
• The back becomes rigid or guarded
• Reduced ability to lift and swing through the topline
• Decreased shock absorption
• Altered coordination between limbs
You may see:
• Hollowing
• Shortened stride
• Resistance to bending or collection
Latissimus Dorsi
The latissimus dorsi connects the forelimb to the trunk and helps coordinate movement and stability.
With increased fascial tension:
• Reduced ability for the forelimb to reach forward freely
• Increased load through the shoulder
• Reduced ability to control ribcage movement
• Compensation patterns through the back
Pectoral Muscles
The pectorals support the trunk between the forelimbs.
When restricted:
• Decreased ability for the thorax to lift and stabilize
• Reduced shock absorption
• Increased strain through the forelimbs and shoulders
Where Massage Therapy Fits In
Massage therapy helps interrupt this cycle by changing the environment the tissue and nervous system are responding to.
• Reduces excessive mechanical tension within the fascia
• Improves glide between tissue layers
• Supports circulation and lymphatic flow
• Provides clearer, more organized sensory input to the nervous system
This can help shift fibroblast and myofibroblast activity away from persistent contraction and toward a more adaptable state.
Rather than forcing change, massage:
Creates the conditions for the body to let go of unnecessary tension
The Bigger Picture
When fascia is under chronic tension:
• Movement becomes less efficient
• Load is distributed unevenly
• The nervous system receives less clear input
• Compensation patterns develop
Over time, this affects performance, comfort, and durability.
Why This Matters
Myofibroblasts are not the problem—they are part of a protective and adaptive response.
The issue arises when:
• Tension is never resolved
• The system does not return to a more relaxed, adaptable state
Final Thought
Movement reflects how the body coordinates itself under load.
Fascia doesn’t just tighten—it adapts.
And when that adaptation becomes chronic, it can restrict movement, communication, and function throughout the entire system.
https://koperequine.com/fascia-immunity-and-the-role-of-manual-therapy/
