In the lower motor neuron lesion diseases, there is
Spastic paralysis
There may be wasting of muscles in long standing cases
Exaggerated tendon reflexes
Absence of fasciculations
(B) There may be wasting of muscles in long standing cases # UMN LESION - Spasticity, Weakness, loss of superficial reflexes, brisk DTR, Clonus present, Babinski sign positive, Hypertonia Clasp Knife spasticity)# LMN lesion - Flaccidity, Decreased tone, loss of superficial & deep reflexes, plantar B/L Flexor, Wasting, Fibrillations.Signs That Distinguish Patterns of WeaknessSIGNS THAT DISTINGUISH PATTERNS OF WEAKNESSSignUpper Motor NeuronLower Motor NeuronMyopathicAtrophyNoneSevereMildFasciculationsNoneCommonNoneToneSpasticDecreasedNormal/decreasedDistribution of weaknessPyramidal/ regionalDistal/segmenta 1ProximalTendon reflexesHyperactive Normal/hypoactiveBabinskils signPresentHypoactive/absent AbsentAbsent
Miscellaneous