19exam of spinal refelx and pain sensation Flashcards
spinal reflexes
definition of a reflex, cranial or spinal
an involuntaruy an immediate response to an appropriate stimulus
spinal reflexes
evaluation grades of a reflex
0-areflexia 1-hyporeflexia 2-normorflexia 3-hyperreflexia 4-hyperreflexia with clonus
spinal reflexes
what is hyperreflexia with clonus
series of rapid contraction of a muscle in response to a single stimulus
spinal reflexes
what abnormal reflexes do we have
reflex irradiation contralateral reflex (crossed)
spinal reflexes
what is reflex irradiation
a reflex elicited in a larger area or muscle group than expected
spinal reflexes
what is contralateral reflex
a reflex elicited in response to a stimulus applied to the other side of the body
spinal reflexes
classification of spinal refelexes
propriceptive reflexes (myotatic, streatch) nociceptive reflexes (pain)
spinal reflexes
list the propriceptive reflexes
thoracic limb reflexes extensor carpi radialis reflex triceps reflex biceps refelx pelvic limb refelx patellar reflex (quadriceps) important achilles refelx ( gastrocnemius)
spinal reflexes
list the nociceptive reflexes
flexor reflex (withdrawal)
perineal reflex
panniculus reflex
(all are important)
spinal reflexes
extensor carpi radialis reflex
name the nerve and the center
afferent and efferent nerve: n. radialis
center: C7-T1
spinal reflexes
triceps refelx
name the nerve and the center
afferent and efferent nerve: n. radialsi
center: C7-T1
spinal reflexes
biceps reflex
name the nerve and the center
afferent and efferent nerve: n. musculocutaneous
center: C6-C8
spinal reflexes
biceps reflex
how is it done
- forefinger placed on the tendon of biceps muscle and the finger is struck
- the tendon is directly struck (difficult)
spinal reflexes
patellar reflex
nerve and center
afferent and efferent nerve: n. femoralis
center: L4-L6
spinal reflexes
achilles reflex
nerve and center
afferent and efferent nerve: n. sciaticus (tibialis)
center: L6-S2