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Sensation ability to detect and identify a sensory modality, its intensity, and location lets us interact with the environment effectively - internal representation of the external world allows us to engage in puposeful motor activity (blank) (blank) (blank)
feedback use feedback from environment to plan our next action- feeding, dressing , bating effectiveness of motor acts recieved through the various sensory systems operates relatively slowly (blank) (blank) (blank)
feedforward skiing, use sensation from environment to know how to shift etc used for rapid or ballistic movements planned in advance (blank) (blank) (blank) (blank)
Dermatomes c2- occipital/head c3- neck c4- shoulders c5- bicepts c-6 down to thumb--c7- pointer---c8 - ringfinger t1- pinky and all the way up
CNS conditions associated with sensory loss Stroke TBI Multiple Sclerosis quality of sensory loss is more generalized in cns injury, person will probably lose more than one sense, and probably affect the whole limb (blank) (blank)
PNS conditions associated with sensory loss laceration burn amputatuin, trauma, fracture arthritis ( swelling) and overuse injuries orthepedic conditions of spine Sensation loss will be more localized, injury hits one specific nerve ( dermatome area)
spinal chord injury cnsand pns injury- sensation in lost below the level of the lesion (blank) (blank) (blank) (blank) (blank)
condition sin which sensations are intact polio muscular dystrophy amytropic lateral sclerosis ( lou gherigs) (blank) (blank) (blank)
Types of sensory loss anasthesia- no sensation parasthesia- abnormal sensation hyposthesia-decreased sensation hyperesthesia- hypersensitive analgesia- loss of pain sensation hypalgesia- decreased pain sensation hyperalgesia- increased pain sensation
effects of sensory loss on movement effects accuracy motor movement wont be smooth wont know where your body is (blank) (blank) (blank)
sensory eval see if its intact impaired or lost (blank) (blank) (blank)
why do we evaluate sensory loss safety issues patient education diagnostic and prognostic- ppl present weird symptoms and need to figure out what senses were lost feasability of sensory retraining and to figure out when its time for re education ( when nerve regrows) baseline for progress and documentation for recovery to alert to use of splints ( pressure points/ heat)
PNS test distally to proximally if not you might get tinnel's sign (blank) (blank) (blank) (blank)
Hierarchy of sensation detection- sensory stimulus ( been touched) descrimination- iwhat touhced by ( is it hot or cold) quantification- ( organizing according to degree ( how hot it is) Recognition ( regocnizing what touched by ( smooth, rough, key) (blank) (blank)
Modalities light touch- qtip/ monofilament/ erasure Deep pressure- needed for adls) ( press until skin is blanched)( can have deep pressure and not light touch) Pain ( sharp vs dull) need for protection - safety pin and paper clip temperature cold ( 40-45) hot ( 120) proprioception/ kinesthesia - move their body and they have to repeat or copy you two ppoint discrimination /// and stereognosis- point to picture of the object they are holding
treatment for sensory loss remedial approach- sensory reeducation done for someone who will regain sensation or misinterprets it cortical impression is wrong - want to train peson to organize distal impression use other senses first to get the hang of it (blank) (blank)
general principals for remedial approach visual feedback - look and feel at same time brief sessions 2-4 times a day motivated , able to learn, able to devote time (blank) (blank) (blank)
treatment for sensory loss desensitization used for hypersensitivity immerse in different textures glove/continuous pressure massage (blank)
treatment for sensory loss compensatory loss for permanent sensation loss teach person to compensate t avoid injury become aware of sensory loss elbo for water check/change position to avoid pressure sore/ rubber handles for pots monitor skin condition and apply lotion to keep hydrated
Created by: natkat