Root value of supinator jerk -
Ans. is 'c' i.e., C5 C6ReflexRoot valueBiceps reflex (biceps jerk)C5C6Supinator reflex (Supinator jerk)C5 C6Triceps reflex (Triceps jerk)C7C8Knee jerkL3L4Ankle jerkS1S2
C3C4
C4C5
C5C6
C8T1
Nerves of Upper Extremity