osteocytes are like psychiatrists. form as well as content
TRANSCRIPT
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Osteocytes are like Psychiatrists
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Form as well as Content
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Articular Cartilage
• Forms from within
• No nourishing perichondrium at interface
• Undergoes considerable stress
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Moving Picture
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Proteoglycan
Protein
Glycosaminoglycans
H2O
H2O
H2O
H2O H2O H2O
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Both Ends against the Middle
• Argument for Impact:
Impact Mechanoreceptor DNA RNA Protein Matrix
• Argument against Impact: • Trauma Chemokines PGE2 Joint Destruction
Masuko-Hongo K, Sato T, Nishioka K. “Chemokines differentially induce matrix metalloproteinase-3 and prostaglandin E2 in human articular chondrocytes.”Clin Exp Rheumatol. 2005 Jan-Feb;23(1):57-62.
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Both Ends Against the Middle
• Yoga leverages stress on long bones
• Chondral surfaces are smoothly indented
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Consider Parsvakonasana
Stretches Stretches anterior hip anterior hip capsulecapsule
Lateral stress Lateral stress on distal and on distal and proximal femurproximal femur
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Yoga bends bones, doesn’t dent cartilage
• Lateral stress will strengthen against exactly the weakness causing fracture
• Cartilage will be irrigated, not irritated.
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Twisted Triangle
Twisting Twisting pressure on pressure on lumbar spinelumbar spine
Stretches Stretches posterior hip posterior hip capsulecapsule
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The Right Yoga
• Mechanostimulation- Bone
• Range of motion - Joint
• Metabolism– Bone:
Canalicular flow
– Cartilage:Nutrition
Detritus
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Matsyendrasana
ROM at posterior hip joint capsule
Lateral force on femur and knee joint
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Fair and Balanced View
• No Impact
• Plenty of deformation
• Just where the bone is most at risk
• Definite improvement of ROM
• Better synovial circulation
• Possible remolding of B and J architecture
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Ancient Saying
• Meds: at first like heavenAfter a while like poison
• Yoga: at first like poisonAfter a while like heaven.
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Study
Yoga for Osteoporosis and Osteoarthritis
– Annual dexa scan– We teach the yoga - subjects do it at home– Meds no problem
www.sciatica.orgwww.sciatica.org
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Interested?
Home study:– Annual dexa scan.– We teach yoga - subjects do it at home.– Meds no problem.
www.sciatica.orgwww.sciatica.org
Home Alone
Home Alone
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Curb your Enthusiasm
“There is nothing that dooms a good idea to lack of acceptance faster than overambitious claims by its
protagonists.”
L.E. Lanyon, 1989L.E. Lanyon, 1989