Nerves Flashcards
Spinal accessory nerve
Head/Neck
innervates
-trapezius
found
- deep to trapezius
- with superior branch transverse cervical artery
Thoracodorsal Nerve
Posterior cord of BP (C5-T1)
innervates
-latissimus dorsi
found
- with thoracodorsal artery
Dorsal Scapular Nerve
Root of BP (C5)
innervates
- levator scapulae
- rhomboids
found
- deep to trapezius and levator scapulae
- with deep branch transverse cervical artery
Axillary Nerve
Posterior cord of BP (C5-T1)
innervates
- teres minor
- deltoid
found
- with posterior circumflex humeral artery
- finishes in deltoid
- lateral to radial nerve
- pierces muscle quickly after branching
Lower subscapular nerve
Posterior cord of BP (C5-T1)
innervates
- subscapularis
- trees major
found
- with subscapular artery
Upper subscapular nerve
Posterior cord of BP (C5-T1)
innervates
- subscapularis
Suprascapular Nerve
Upper trunk of BP (C5-6)
innervates
- Supraspinatis
- Infraspinatis
found
- with suprascapular artery
Anterior rami
of spinal nerves
innervate
- serratus anterior / posterior
- intertransverserii
Posterior Rami
Innervate
- Deep back muscles: erector spinae, transversospinalis, segmental muscle group
Medial pectoral nerve
medial cord of BP (C8-T1)
innervates
- pectorals major and minor
pierces through pec minor to innervate pec major
Lateral pectoral nerve
lateral cord of BP (C5-7)
innervates
- pectoralis major
Nerve to subclavius
Upper trunk of BP (C5-6)
Innervates
- subclavius
Long thoracic nerve
roots of bp (c5-7)
innervates
- serratus anterior
Musculocutaneuos Nerve
lateral cord of Bp (c5-7)
Innervates
- upper arm flexors
Found
- most lateral from cords
- first to pierce muscles
- found deep to biceps brachii in cubitle fossa
- ends cutaneously
Radial nerve
Posterior cord of bp (c5-t1)
Innervates
- extensors of arm and forearm
Found
- radial tuberocity of humerus
- deep to brachioradialis in cubital fossa
- deep branch pierces supinator, becomes posterior interosseus nerve
- P.I. nerve found with P.I. artery through supinator, deep to extensor digitorum