Anatom3DDeep branch of ulnar nerve
Ramus profundus nervi ulnaris · Hluboká větev loketního nervu
Nervous system
Looks like
The motor branch of the ulnar nerve that dives deep into the palm around the hook of the hamate.
What it does
Moves most small hand muscles, including those that spread the fingers and pinch with the thumb.
Keeping it well
Cyclists and tool users can compress it in Guyon's canal, causing weak grip without numbness.
Related conditions
- Amyloidosis (AL and ATTR)
- Botulism
- Chickenpox (varicella)
- Chronic neuropathic pain
- Chronic pain syndrome
- Cubital tunnel syndrome
- Fibromyalgia
- Guillain-Barré syndrome
- Leprosy (Hansen's disease)
- Lyme disease
- Myasthenia gravis
- Peripheral neuropathy
- Rabies
- Restless legs syndrome
- Shingles (herpes zoster)
- Tetanus
- Vitamin B1, C and other deficiencies