Читать книгу Neurology - Charles H. Clarke - Страница 131
Lower and Upper Motor Neurone Lesions
ОглавлениеSee Table 4.2.
Table 4.2 Lower (LMN) & upper motor neurone (UMN) lesions.
| Feature | LMN | UMN |
| Muscle wasting, a.k.a. amyotrophy | Visible | Absent |
| Fasciculation | Visible | Absent |
| Fibrillation | Recordable on EMG, visible in tongue | Absent |
| Tone | Flaccid/normal | Increased/spastic type |
| Weakness pattern | Root, nerve or distal | Pyramidal + dexterity |
| Tendon reflexes | Depressed/usually absent | Exaggerateda |
| Clonus | Absent | Present |
| Abdominal reflexes | Present | Absent |
| Plantars | Flexor (normal) | Extensor |
a tendon reflexes can be absent/depressed initially with an acute UMN lesion.
