We accept the fact that realigning a fractured bone creates a brief increase in pain for the greater good, correct? Nobody wants pain, but sometimes pain is a necessary part of getting better. It’s my job to educate patients regarding the multifaceted and subjective experience of pain. If I provide patients with intelligent explanations, any fear or anxiety is usually diminished.
When does getting better with physical therapy permit or even necessitate pain? One example is centralization in a deranged (stuck) joint. If mild pain in the arm moves to the neck as a result of neck exercises, this is a positive outcome, even if the neck pain is temporarily more burdensome. Secondly, pain with specific exercises addressing a dysfunctional knee tendon is necessary, but it should not last long after the exercise is finished. Finally, stretching a frozen shoulder as far as it can go should also hurt, but, again, that pain should not last.
With surgical care for orthopedic problems, anesthesia is used to mitigate pain. With conservative care like physical therapy, patients can use rest, ice, heat, etc. to address any temporary increase in pain.
“Deranged” is not a scary word. It’s simply the term I use when a joint isn’t working perfectly. Moving any deranged joint (like the neck joint example above) can hurt to perform. There are specific rules, however. If we have the correct exercise for that joint, pain should improve with repetitions of the prescribed exercise. It should become less frequent, less intense, or less widespread. Pain after the exercise should not last.
Again, it’s my job to know this stuff and to teach it to patients. There are MANY variables when it comes to pain with rehab which vary according to diagnosis, prognosis, individual, and so on. More pain as a result of physical therapy that actually disrupts a patient’s life is very rare. Through education and following the rules, we can accomplish the long-term goal of eliminating pain with little to no increase in short-term pain. --Laura
Centralization is a very important concept, and is well-documented in many research studies. Problems in the spine often cause pain/numbness/tingling in the extremities (legs, feet, arms, hands) as affected nerves carry symptoms along the distribution of the nerve. Centralization is when symptoms move toward the spine. This is a GOOD thing - even if the spine pain is temporarily more intense (before it goes away for good). By the same token, peripheralization is not a good thing. We don't want pain that is moving farther away from the spine into the periphery (extremities). Keep in mind that centralization also applies when left or right low back pain or left or right neck pain moves to the center of the low back or neck.
Not all patients will experience centralization. Some extremity pain just goes away without moving to the spine first. If you are receiving treatment or are just monitoring or treating yourself, remember to avoid things that peripheralize your symptoms and to perform the activities or movements that centralize your symptoms. When I treat patients with spine or extremity symptoms, I use specific movements to elicit centralization - and prevent peripheralization. If you experience centralization, you know you're on the right track!
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