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18 Cards in this Set
- Front
- Back
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Fred Mitchell Sr. developed what OMM technique?
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Muscle energy techniques (MET)
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Define muscle energy
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A system of diagnosis and treatmnt in which the patient voluntarily moves the body as specifically directed by the practitioner. This action is from a precisely controlled position against a defined resistance by the practitioner. An active, direct technique, positioned at a restrictive barrier and held immobile followed by a isometric contraction to elicit inhibition of agonist muscles. "post isometric relaxation.
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What is sherrington's law of reciprocal inhibition?
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when a stretch reflex excites one muscle (the agonist) it's antagonist is simultaneously inhibited.
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Define isometric contraction
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Change in muscle tension without approximation of its origin and insertion. Just contracting the muscle withou any motion at joint. Resets the intrafusal and extra fusal muscle fiber lengths during post contraction relaxation phase.
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Define isotonic concentric contraction
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Contract the muscle to change the lever arm. When you change level arm muscle tone changes across the fibers. When muscles are exercised against resistance.
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Define isolytic contraction.
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Contraction of a muscle against resistance while forcing the muscle to lengthen. (eccentric contraction). Used to stretch and break down fibrotic adhesions
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Antagonistic inhibition is?
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a technique that uses isometricforces to reciprocally inhibit antagonistic musclesthat are hypertonic.
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What are somites derived from?
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Mesenchyme
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What do somites differentiate into?
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sclerotome and dermatomyotome (future muscles)
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Golgi tendon apparatus' function is to do what?
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Monitor tension within the muscle and send back inhibitory signal to stop contraction so tendon doesn't tear.
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Intrafusal fibers send afferent signal back to the spinal cord relaying tension at tendon. They wrap around muscle segments.
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Golgi tendon's do not function as "Safety valves"
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Hoffman reflex is what?
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is a function of how much motor output is emanating from the anterior horn cells. The greater amplitude of hoffman reflex the more output from the alpha motor neurons of anterior horn of spinal cord.
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What are the 5 models of osteopathic care?
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1. biomecanical
2. neurologic 3. respiratory/circulatory 4. behavioral/psychosocial 5. bioenergetic |
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What is the indication to use MET?
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1. Limited ROM
2. Muscular shortening 3. musculoskelet4. Segmental dysfunction 5. restoration of normal arthrokinematics |
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What are the contraindications?
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1. fracture
2. infection, hematoma, or tear 3. severe osteoporosis 4. metastatic disease 5. c spine instablity |
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What are the eight essential steps to MET?
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1. Diagnosis
2. Engage restrictive barrier 3. unyielding counterforce (physician and pt provide equal force) 4. Muscle effort (force, direction and duration) where to push, how to push, how long is push. 5. Complete relaxation (most important part of technique; must be relaxed) 6 repositioning 7. repeat (until reach physiologic barrier; not anatomical) 8. retest |
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What kind of technique is MET? ie.. active/passive/direct/indirect
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Active, direct technique
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Common errors in MET include?
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1. too forceful a muscle contraction
2. failure to monior motion with palpation 3. Too short a duration of muscle contraction (typically 5-7 secs) 4. failure to allow complete relaxation of patient prior to reengaging barrier 5. forgetting to retest |
