[Reflex accentuation in spinal nerve root lesions: the L5-PSR sign and L4-ASR sign].

: In radicular disturbances not only the autonomous reflexes of the appertaining muscles may be weakened or extinguished, but those of the antagonists may also be accentuated. In case of an L4 or an L5 syndrome the observation of these signs may give additional differential-diagnostic criteria.