Upper/Lower Limb Roots Flashcards
Trapezius
C3, C4 - spinal contribution to CN 11
The spinal nerves run superiorly through foramen magnum, then meets cranial nerve fibers (very small contribution).
The Spinal Accessory Nerve (with spinal and cranial nerve elements) exits through the jugular foramen.
Rhomboids
C5
Dorsal Scapular Nerve
Serratus Anterior
C5, *C6, C7
Long Thoracic Nerve
Pectoralis Major, Clavicular portion
*C5, C6
Lateral Pectroal
Pectoralis Major, Sternal portion
C8, T1
Medial Pectoral
Supraspinatus
*C5, C6
Suprascapular
Infraspinatus
*C5, C6
Suprascapular
Latissimus dorsi
C6, *C7, C8
Thoracodorsal
Teres Major
C5, C6, C7
Lower Subscapular Nerve, Thoracodorsal Nerve (Middle subscapular nerve)
Deltoid
*C5, C6
Axillary Nerve
Biceps
*C5, C6
Musculocutaneous Nerve
Brachialis
C5, C6
Musculocutaneous Nerve
Triceps, Long/Lateral/Medial Head
C6, C7, C8
*Lateral: C7, *Long: C8
Radial Nerve
Brachioradialis
C5, *C6
Radial Nerve
Extensor Carpi Radialalis Longus
C5, *C6
Radial
Supinator
*C6, C7
Radial -> Posterior Interosseous Nerve
Extensor Carpi Ulnaris
*C7, C8
Radial -> Posterior Interosseous Nerve
Extensor Digitorum
*C7, C8
Radial -> Posterior Interosseous Nerve
Abductor Pollicus Longus
*C7, C8
Radial -> Posterior Interosseous Nerve
Extensor Pollicus Longus
*C7, C8
Radial -> Posterior Interosseous Nerve
Extensor Pollicus Brevis
*C7, C8
Radial -> Posterior Interosseous Nerve
Extensor Indicis
*C7, C8
Radial -> Posterior Interosseous Nerve
Pronator Teres
*C6, C7
Median Nerve
Flexor Carpi Radialis
C6, C7
Median Nerve
Flexor Digitorum Superficialis
C7, *C8, T1
Median Nerve
Abductor Pollicis Brevis
C8, *T1
Median Nerve