Brachioradialis reflex innervation
C5
Biceps reflex innervation
C5-6
Triceps reflex innervation
C7,8
Patellar/quadriceps reflex innervation
L3,4
Achilles reflex innervation
S1,2
Grading for reflexes
0= no response, always abnormal 1+= a slight but definite response, may or may not be normal 2+= a brisk response, normal 3+= a very brisk response, may or may not be normal 4+= a two elicits a repeating reflex (clonus), always abnormal
Grade 0 for reflexing
No response, always abnormal
Grade 1+ for reflexing
A slight but definite response, may or may not be normal
Grade 2+ for reflexing
A brisk response, normal
Grade 3+ for reflexing
A very brisk response, may or may not be normal
Grade 4+ for reflexing
A tap elicits a repeating reflex (clonus), always abnormal