19exam of spinal refelx and pain sensation Flashcards

1
Q

spinal reflexes

definition of a reflex, cranial or spinal

A

an involuntaruy an immediate response to an appropriate stimulus

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2
Q

spinal reflexes

evaluation grades of a reflex

A
0-areflexia
1-hyporeflexia
2-normorflexia
3-hyperreflexia
4-hyperreflexia with clonus
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3
Q

spinal reflexes

what is hyperreflexia with clonus

A

series of rapid contraction of a muscle in response to a single stimulus

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4
Q

spinal reflexes

what abnormal reflexes do we have

A
reflex irradiation
contralateral reflex (crossed)
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5
Q

spinal reflexes

what is reflex irradiation

A

a reflex elicited in a larger area or muscle group than expected

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6
Q

spinal reflexes

what is contralateral reflex

A

a reflex elicited in response to a stimulus applied to the other side of the body

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7
Q

spinal reflexes

classification of spinal refelexes

A
propriceptive reflexes (myotatic, streatch)
nociceptive reflexes (pain)
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8
Q

spinal reflexes

list the propriceptive reflexes

A
thoracic limb reflexes 
       extensor carpi radialis reflex
       triceps reflex
       biceps refelx
pelvic limb refelx 
      patellar reflex (quadriceps) important 
      achilles refelx ( gastrocnemius)
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9
Q

spinal reflexes

list the nociceptive reflexes

A

flexor reflex (withdrawal)
perineal reflex
panniculus reflex
(all are important)

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10
Q

spinal reflexes
extensor carpi radialis reflex
name the nerve and the center

A

afferent and efferent nerve: n. radialis

center: C7-T1

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11
Q

spinal reflexes
triceps refelx
name the nerve and the center

A

afferent and efferent nerve: n. radialsi

center: C7-T1

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12
Q

spinal reflexes
biceps reflex
name the nerve and the center

A

afferent and efferent nerve: n. musculocutaneous

center: C6-C8

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13
Q

spinal reflexes
biceps reflex
how is it done

A
  1. forefinger placed on the tendon of biceps muscle and the finger is struck
  2. the tendon is directly struck (difficult)
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14
Q

spinal reflexes
patellar reflex
nerve and center

A

afferent and efferent nerve: n. femoralis

center: L4-L6

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15
Q

spinal reflexes
achilles reflex
nerve and center

A

afferent and efferent nerve: n. sciaticus (tibialis)

center: L6-S2

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16
Q

spinal reflexes
flexor (withdrawal) reflex
thoracic limb

A

thoracic center: C6-T1
all flexors are involved
squeeze the paw?
not the same as a concious pain sensation

17
Q

spinal reflexes
flexor (withdrawal) reflex
pelvic limb

A

pelvic limb center: L4-S1
all flexor muscles are involved
pinch the interdigital web between any of the digits

18
Q

spinal reflexes
preineal reflex
nerves and center

A

afferent nerve: n. pudendalis
efferent nerve:
anal sphincter: n. pudendalis
tail flexion: n. rectalis caudalis
center: S1-S3

19
Q

spinal reflexes
panniculus reflex
nerves and center

A

afferent nerve: spinal segments
efferent nerve: n. thoracicus lateralis
center: C7-T1

20
Q

spinal reflexes
panniculus reflex
how is it done

A

pinch skin at level of L7

bilateral contraction of cutaneous trnci muscle should be seen

21
Q

examination of pain perception

how can we provoke superficial pain

A

skin /mucous membrane: pinching with haemostat or prick with needle
pain provoking percussion

22
Q

examination of pain perception

what is normal response to superficial pain

A

skin twitch, leg withdrawal = spinal reflex
behavioural: crying, biting, turning to direction of pai
concious pain perception

23
Q

examination of pain perception

what is the pathway of superficial pain

A

receptor - spinal ganglion - thalamus - cortex

24
Q

examination of pain perception

list the evaluation of the superficial pain

A

normaesthesia
hyperaesthesia
anaesthesia
paraesthesia

25
Q

examination of pain perception

deep pain, how

A

squeezing digit or claw with haemostat

only check if superficial pain is absence

26
Q

examination of spinal pain

signs

A

stiff neck, not leaning down to bowl

not jumping on sofa, not standing on hind legs, not walking on stairs