It takes many weeks for tissue to form adhesions and become tight. And when it is indeed tight, it does NOT vary day to day or week to week. I understand that the sensation patients report is one of “tightness,” but if there is variability, then the source of this tight feeling is not the tissue itself.
When I say tissue, what do I mean? I subdivide it into two main categories: contractile tissue (muscles and tendons) and non-contractile tissue. In the second group, most of the time we’re talking about joint capsular tissue, but there could also be problems with skin, fascia, etc.
Tissue can become tight for many reasons. Think of a simple cut on your skin. If you don’t move the affected tissue, over time the tissue will become tight as scar tissue lays down haphazardly, restricting normal, fluid motion. (This is a good thing - you want scar tissue to be strong! But consistent movement in the right direction will make it flexible.) Surgery is like a simple cut writ large. Many tissues are cut and repaired and, without proper re-integration of movement, often are tight months or years later. Some tissues get tight because they don’t get moved properly. That could be from life habits, patterns after a prior injury, or from 8 weeks in a cast, for instance. A frozen shoulder is another example of tight tissue - which, in the absence of an instigating trauma, usually comes on insidiously.
In these examples, it’s clear that tissue can certainly get tight - and that it can restore to normal length (with informal or formal therapy). It’s also obvious from these scenarios that this process doesn’t allow for a patient to report, “Well, some days it feels really tight, but then some days I’m fine.” Tissue does not behave like that. But joints do ... and they refer that tight feeling to nearby tissue. When I take a patient’s history, I ask very specific questions that narrow my possible diagnoses. If the patient describes variability, local tissue tightness is not the cause. --Laura
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