UE Innervation Flashcards
Deltoid
Axillary C5-6
Teres minor
Axillary C5-6
Coracobrachialis
Musculocutaneous C5-7
Supraspinatus
Suprascapular C5-6
Infraspinatus
Suprascapular C5-6
Subscapularis
Subscapular C5-6
Pecs (clavicular fibers)
Lateral pectoral C5-6
Teres major
Lower Subscapular C5-6
Pecs (sternocostal fibers)
Medial pectoral C6-T1
Serratus Anterior
Long thoracic C5-7
Rhomboids
Dorsal scapular C5
Upper traps
CN XI (Accessory)
Middle/lower traps
C3-4
Levator scapulae
C3-4, Dorsal scapular C5
Biceps
MCN C5-6
Brachialis
MCN C5-6
Brachioradialis
Radial C5-6
Triceps
Radial C6-8
Supinators
Radial C6-7
Pronators
Pronator Teres
Pronator Quadratus
Median N C6-8
Median C6-7
Median C7-8
______ weakness in triceps with C5-6 damage
Slight
Innervation: Radial C6-8
_____ weakness in supinators with C5-6 damage
Partial
Innervation: Radial C6-7
______ weakness in pronators with C5-6 damage
Slight
Innervation: Median C6-8 –>more weakness in pronator teres
_____ weakness in serratus anterior with C5-6 damage
Significant
Innervation: Long thoracic C5-7
_____ weakness in coracobrachialis with C5-6 damage
Significant
Innervation: MCN C5-7
_____ weakness in lat dorsi with C5-6 damage
Slight
Innervation: Thoracodorsal C6-8
_____ weakness in pecs (sternal fibers) with C5-6 damage
Slight
Innervation: Medial Pectoral C6-T1
Lat Dorsi
Thoracodorsal C6-8