Osteoarthritis Pain
Osteoarthritis Pain - Related Videos
09:26
The Monoiodoacetate Model of Osteoarthritis Pain in the Mouse
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Cited by 181 •
2016
Osteoarthritis (OA), or degenerative joint disease, is a debilitating condition associated with pain that remains only partially controlled by available analgesics. Animal models are being developed to improve our understanding of OA-related pain mechanisms. Here we describe the methodology for the monoiodoacetate model of OA pain in the mouse.
07:19
Fu's Subcutaneous Needling for Knee Osteoarthritis Pain
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Cited by 8 •
2023
We present a protocol for using Fu's subcutaneous needling for knee osteoarthritis pain, which combines swaying movement and reperfusion approach techniques. This protocol has great potential for future applications in myofascial pain treatment and could enhance Fu's subcutaneous needling (FSN) manipulation skills.
07:58
Establishment of a Surgically-induced Model in Mice to Investigate the Protective Role of Progranulin in Osteoarthritis
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Cited by 47 •
2014
We describe a protocol for the destabilization of the medial meniscus (DMM) model in mice, an effective tool for osteoarthritis (OA) research. In addition, we have demonstrated that deficiency of progranulincan exaggerate OA development and progression by using this model, indicating that progranulin plays a protective role in the pathogenesis of OA.
14:56
An Experimental Paradigm for the Prediction of Post-Operative Pain (PPOP)
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Cited by 107 •
2010
Diffuse noxious inhibitory control, temporal summation and wound hyperalgesia testing are demonstrated in the obstetric patient. These tests evaluate inhibitory and excitatory mechanisms of pain processing and are here utilized to evaluate endogenous analgesia at different time-points during pregnancy and the peripartum period to help reveal individual s risk for persistent pain.
08:09
Osteoarthritis Pain Model Induced by Intra-Articular Injection of Mono-Iodoacetate in Rats
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Cited by 28 •
2020
This study describes the method of intra-articular injection of mono-iodoacetate in rats and discusses the resulting pain-related behaviors and histopathological changes, which provide references for future applications.
FAQs
Osteoarthritis pain can arise from several interacting processes rather than cartilage damage alone. Altered joint mechanics change how forces move through the joint, while inflammation in synovial tissues and irritation of surrounding structures can add pain signals. Sensitization of pain-sensing pathways may then amplify those signals. Together, these mechanisms help explain variable symptoms and impaired movement.
Pain intensity does not necessarily track the apparent extent of structural change. Sensitized pain-sensing pathways can maintain or amplify discomfort, and inflammation or stressed surrounding tissues may contribute even when cartilage or other joint changes seem modest. This mismatch is clinically important because treatment decisions should consider symptoms, movement, and daily function rather than structural findings alone.
Activity-related pain and stiffness after rest can reflect different demands on the joint. Movement places stress on altered joint mechanics and may expose problems with load distribution, whereas stiffness after inactivity may accompany changes in joint tissues and surrounding structures. Tracking when symptoms occur helps clinicians relate pain to movement limitations and functional difficulties.
Clinical assessment should connect reported discomfort with stiffness, movement, and daily function. Because symptoms may persist despite modest structural changes, clinicians need more than a structural explanation when judging severity. This symptom-focused perspective helps identify how osteoarthritis pain affects mobility and supports a management plan directed toward meaningful functional improvement.
Management commonly combines exercise, weight management, physical therapy, and medications rather than relying on a single intervention. Exercise and therapy address mobility and function, while weight management and medications provide additional management strategies. Using several approaches allows care to respond to both symptoms and activity limitations, with the overall goal of improving daily function and quality of life.
When necessary, joint replacement is part of the management pathway for people whose osteoarthritis pain and limited movement require a surgical option. It follows consideration of approaches such as exercise, weight management, physical therapy, and medications. The procedure is therefore relevant when the condition’s effects on mobility and daily function call for more extensive treatment.
Research on osteoarthritis pain extends beyond describing damaged cartilage. Investigators examine altered joint mechanics, inflammation, surrounding tissues, and sensitization of pain-sensing pathways to identify more targeted treatments. The desired outcomes are not limited to reducing discomfort; studies also aim to improve mobility and quality of life, linking biological mechanisms with practical patient benefits.