Wasting Of Small Muscles Of Hands

Question 1

Causes

Answer 1

C8-T1 ant horn cells:

• MND
• Syringomyelia

C8-T1 nerve root:

• Cervical myelopathy
• Pancoast

Lower brachial plexus:

• cervical rib
• Pancoast

LMN

• Polyneuropathy
• HMSN

NM jcn:
- MG

Muscle disorders:

• Myotonic dystrophy
• DIstal muscular dystrophy