Anatom3DInferior trunk of brachial plexus
Truncus inferior plexus brachialis · Dolní kmen pažní pleteně
Nervous system
Looks like
The lowest trunk of the brachial plexus, formed by the C8 and T1 roots, lying on the first rib.
What it does
Carries fibres to the small muscles of the hand and feeling from the inner forearm and hand.
Keeping it well
Pulled in a birth injury or a fall catching a branch (Klumpke palsy); an extra rib can press it in thoracic outlet syndrome.
Its parts
Related conditions
- Amyloidosis (AL and ATTR)
- Botulism
- Chickenpox (varicella)
- Chronic neuropathic pain
- Chronic pain syndrome
- Fibromyalgia
- Frozen shoulder (adhesive capsulitis)
- Guillain-Barré syndrome
- Lyme disease
- Myasthenia gravis
- Peripheral neuropathy
- Polymyalgia rheumatica
- Rabies
- Restless legs syndrome
- Shingles (herpes zoster)
- Shoulder dislocation
- Tetanus
- Thoracic outlet syndrome
- Vitamin B1, C and other deficiencies