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Student Osteopaths,
Let's try some literature first:
1.) Parietal bone mobility in the anesthesized cat; JAOA 92, (5), May 1992, 599 - 622, (editorial on 589 also), Adams, et al.
2.) Craniosacral Manipulation, Physical Medicine and Rehabilitation Clinics of North America, Vol 7 (4), Nov 1996, p 877 - 896, Greenman, et al
I think that these two are 'must-read' articles before one quickly endorses or dismisses craniosacral therapy. The Greenman paper has some nice references (upledger's .87 inter-rater reliability study, etc) and is not a terribly boring read.
I'm really curious about how other schools teach the subject also. At PCSOM, as an example, we don't attempt to learn cranial until after our palpatory skills are sufficient to appreciate the CRI, at a minimum. Our practical was last week and we were forced to count the number of sphenobasilar 'revolutions' via the occipital hold, the spheno-occipital hold, the vault hold, or direct sacral palpation, while the testers monitored at the same time. You can sometimes get lucky (if you assume that most patients run 10-14/minute), but if Dr. Stiles ever suspected you were faking it, he'd simply grab an arm, leg, etc and stop the motion (if you were faking it, you'd keep right on counting!)! I have found that after we have learned ME, Functional, Jones S/CS, and HVLA, that even mediocre OMT students are able to pick up the CRI. I'd have to assume that if you are thrown into cranial without significant palpatory skills, you'd find nothing but futility and frustration (my opinion - please correct me, of course). There is a method to Dr. Stiles' madness, it seems.
Having said that, I can put my hand on a forearm or leg and can detect the rhythmic interal and external rotations that are associated with the CRI. You just have to know how deep to palpate and be in a quiet enough environment. When we were practicing for our exam, we'd take turns palpating skulls while a 3rd person (often a fellow) would verify if we were feeling s/b flexion vs. extension and then confirm the rate. Those in my class who came to osteopathy with pre-existing palpatory skills (chiropractors, athletic trainers, PTs, etc) are even better at it. Still, I had *NO* skills to speak of less than 2 years ago, but I really put extra time in to gain some skills, b/c I believe that OMT works (I was the biggest skeptic until Dr. Stiles treated me a couple of times and help resolve some chronic back pain that no amount of injections, PT, or exercise could help). I've been able to help many people and I know that I have a lot to learn....(enough of my 'rah-rah OMT is good' chanting).
Now, onto the idea of conceiving, devising, and executing (and reporting and evaluating, of course) proper, robust, reproducible research. I've been exposed to 'real' research firsthand (cancer, not OMT), and I've been dismayed by the lack of reproducible evidence as to OMT's efficacy. The weight or preponderence of the literature is ambiguous at best, it seems. [The JAOA is not exactly Science or Nature (or even JAMA, NEJM, etc), but we are seeing more and more reputed medical schools (allopathic, like Harvard), explore it under the aegis of 'comparative and alternative medicine' (as if that brings it any legitimacy). To wit, the Cleveland Clinic teaches some OMT to its FP residents now (the chief resident is from PCSOM, as it happens).]
I think that we can devise trials that could explore the incremental effects (vs sham or no additional treatment) of standardized OMT protocols. Let's say, for example, that I think that rib raising improves pulmonary function in patients with COPD. A simple pilot could be devised that would measure spirometry results before and after treatment (vs. sham treatment) with patients on the same medications, matched for demographics and clinical factors. Few would argue that spirometry results aren't objectively measurable results (vs. pain scales and the like). I'm pretty sure that smart folks can figure out reasonable ways to test whether cranial therapy has an objective clinical improvement vs. sham therapy (phrenology! - hee, hee) or no therapy. A start would be to measure the CRI objectively (neurosurgeons and biomechanical engineers could figure that out) and then measure before vs. after. Take baby steps.
What I patently refuse to accept, however, is that people who have NOT attempted to scientifically refute a theory (disprove the null hypothesis) with an equally rigorous set of trials, have any more authority to judge the efficacy of a therapy. It just doesn't hold any water...
So, whereas I can not objectively measure the number of revolutions of CRI in a minute, I can at least corroborate others' claims that a CRI is not a random vibration (randomness doesn't come in reproducible cycles, by definition, does it?).
So, perhaps we can change this thread a little bit by suggesting some trial designs that the smart folks in TX, IL, IA, etc can pilot to publish to disprove the null (or fail to disprove, as the case may be) of no effect...
Keep on questioning the system. Dispel myths and produce some positive evidence if you can (I'll sleep better knowing the truth)...in the meantime, I've got to learn about myofascial release tomorrow.
Let's try some literature first:
1.) Parietal bone mobility in the anesthesized cat; JAOA 92, (5), May 1992, 599 - 622, (editorial on 589 also), Adams, et al.
2.) Craniosacral Manipulation, Physical Medicine and Rehabilitation Clinics of North America, Vol 7 (4), Nov 1996, p 877 - 896, Greenman, et al
I think that these two are 'must-read' articles before one quickly endorses or dismisses craniosacral therapy. The Greenman paper has some nice references (upledger's .87 inter-rater reliability study, etc) and is not a terribly boring read.
I'm really curious about how other schools teach the subject also. At PCSOM, as an example, we don't attempt to learn cranial until after our palpatory skills are sufficient to appreciate the CRI, at a minimum. Our practical was last week and we were forced to count the number of sphenobasilar 'revolutions' via the occipital hold, the spheno-occipital hold, the vault hold, or direct sacral palpation, while the testers monitored at the same time. You can sometimes get lucky (if you assume that most patients run 10-14/minute), but if Dr. Stiles ever suspected you were faking it, he'd simply grab an arm, leg, etc and stop the motion (if you were faking it, you'd keep right on counting!)! I have found that after we have learned ME, Functional, Jones S/CS, and HVLA, that even mediocre OMT students are able to pick up the CRI. I'd have to assume that if you are thrown into cranial without significant palpatory skills, you'd find nothing but futility and frustration (my opinion - please correct me, of course). There is a method to Dr. Stiles' madness, it seems.
Having said that, I can put my hand on a forearm or leg and can detect the rhythmic interal and external rotations that are associated with the CRI. You just have to know how deep to palpate and be in a quiet enough environment. When we were practicing for our exam, we'd take turns palpating skulls while a 3rd person (often a fellow) would verify if we were feeling s/b flexion vs. extension and then confirm the rate. Those in my class who came to osteopathy with pre-existing palpatory skills (chiropractors, athletic trainers, PTs, etc) are even better at it. Still, I had *NO* skills to speak of less than 2 years ago, but I really put extra time in to gain some skills, b/c I believe that OMT works (I was the biggest skeptic until Dr. Stiles treated me a couple of times and help resolve some chronic back pain that no amount of injections, PT, or exercise could help). I've been able to help many people and I know that I have a lot to learn....(enough of my 'rah-rah OMT is good' chanting).
Now, onto the idea of conceiving, devising, and executing (and reporting and evaluating, of course) proper, robust, reproducible research. I've been exposed to 'real' research firsthand (cancer, not OMT), and I've been dismayed by the lack of reproducible evidence as to OMT's efficacy. The weight or preponderence of the literature is ambiguous at best, it seems. [The JAOA is not exactly Science or Nature (or even JAMA, NEJM, etc), but we are seeing more and more reputed medical schools (allopathic, like Harvard), explore it under the aegis of 'comparative and alternative medicine' (as if that brings it any legitimacy). To wit, the Cleveland Clinic teaches some OMT to its FP residents now (the chief resident is from PCSOM, as it happens).]
I think that we can devise trials that could explore the incremental effects (vs sham or no additional treatment) of standardized OMT protocols. Let's say, for example, that I think that rib raising improves pulmonary function in patients with COPD. A simple pilot could be devised that would measure spirometry results before and after treatment (vs. sham treatment) with patients on the same medications, matched for demographics and clinical factors. Few would argue that spirometry results aren't objectively measurable results (vs. pain scales and the like). I'm pretty sure that smart folks can figure out reasonable ways to test whether cranial therapy has an objective clinical improvement vs. sham therapy (phrenology! - hee, hee) or no therapy. A start would be to measure the CRI objectively (neurosurgeons and biomechanical engineers could figure that out) and then measure before vs. after. Take baby steps.
What I patently refuse to accept, however, is that people who have NOT attempted to scientifically refute a theory (disprove the null hypothesis) with an equally rigorous set of trials, have any more authority to judge the efficacy of a therapy. It just doesn't hold any water...
So, whereas I can not objectively measure the number of revolutions of CRI in a minute, I can at least corroborate others' claims that a CRI is not a random vibration (randomness doesn't come in reproducible cycles, by definition, does it?).
So, perhaps we can change this thread a little bit by suggesting some trial designs that the smart folks in TX, IL, IA, etc can pilot to publish to disprove the null (or fail to disprove, as the case may be) of no effect...
Keep on questioning the system. Dispel myths and produce some positive evidence if you can (I'll sleep better knowing the truth)...in the meantime, I've got to learn about myofascial release tomorrow.