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Pain referral
Trigger points
Cranial nerve
Spinal nerve
Historical
SPINAL NERVE SEGMENT
PLEXUS
INNERVATION OF MUSCLE & VISCERIA DERMATOME PATTERN
C1
CERVICAL
Anterior & Lateralis Rectus Capitis;
Longus Capitis; Omohyoid; Thyrohyoid; Geniohyoid. When present,
referral is in the back of head covering occipital region.
C2
CERVICAL
Anterior & Lateralis Rectus Capitis;
Omohyoid; Sternohyoid; Sternothyroid; Longus Capitis; Longus Colli Posteriorly refers to
the supraoccipital region; Laterally the zone refers from the superior
aspect of the ear inferiorly to the posterior aspect of the ear.
C3
CERVICAL
Omohyoid; Sternohyoid; Sternothyroid;
Longus Capitis; Longus Colli; Scalenes Medius: Scalenes Posterior; Levator
scapulae; Rhomboids; Trapezius; Respiratory diaphragm. Lateral and anterior
aspect of the neck
C4
CERVICAL
Longus Capitis; Longus Colli; Scalenus
Medius; Scalenes Posterior; Levator Scapulae; Trapezius; Rhomboids; Teres
Minor; Supraspinatus; Infraspinatus; Deltoid; Respiratory Diaphragm Superior posterior
aspect of neck as well as anterior inferior aspect of neck
C5
CERVICAL AND BRACHIAL
Sometimes part of the Levator Scapulae;
Rhomboids; Supraspinatus; Infraspinatus; Subscapularis; Deltoid; Biceps
Brachii; Brachioradialis; Scalenes Anterior; Scalenes Posterior; Serratus
Anterior; Pectoralis Major & Minor; Teres Major & Minor; Longus Colli;
Respiratory Diaphragm Posteriorly traverses
from the superior aspect of the cervical thoracic junction to anteriorly
slightly superior to or directly on top of the clavicle; additionally it
traverses from the superior aspect of the CT junction superiorly and
slightly posterior across the shoulder down the anterior medial aspect of
the arm and forearm terminating slightly superior to the wrist.
C6
BRACHIAL
Sometimes Latissimus Dorsi; Scalene
Anterior; Scalenes Posterior; Pectoralis Major & Minor; Serratus Anterior;
Supraspinatus; Infraspinatus; Subscapularis; Teres Major & Minor; Deltoid;
Biceps Brachii; Triceps; Brachioradialis; Pronator Teres; Longus Colli;
Extensor Carpi radialis & Ulnaris; Extensor Digiti Quanti Proprius; Flexor
Carpi Radialis With a broad
horizontal distribution it initiates from the inferior aspect of C6
traverses the posterior aspect of the upper back & shoulder, and distally
down the lateral aspect of the arm, forearm, and into the thumb.
C7
BRACHIAL
Scalene Anterior; Scalenes Posterior;
Pectoralis Major & Minor; Serratus Anterior; Subscapularis; Teres Major;
Latissimus Dorsi; Triceps; Pronator Teres; Longus Colli; Extensor Carpi
radialis & Ulnaris; Extensor Digitorum & Quanti Proprius; Flexor Carpi
Radialis; Palmaris Longus With a broad
horizontal distribution it traverses inferior from the CT junction across
the superior aspect of the upper back to the posterior aspect of the
shoulder & distally down the posterior aspect of the arm, forearm, middle &
index fingers.
C8
BRACHIAL
Scalene Anterior; Scalene Posterior;
Pectoralis Major & Minor; Subscapularis; Teres Major; Latissimus Dorsi;
Triceps; Sometimes Pronator Teres; Longus Colli; Extensor Carpi Radialis &
Ulnaris; Extensor Digitorum & Quanti Proprius; Flexor Digitorum
Superficialis & Profundus; Flexor Pollicis Longus & Brevis; Interossei;
Lumbricales; Palmaris Longus The referral
initiates medial to the vertebral border of the scapulae traverses beneath
the inferior angle and continues superior and laterally to the axilla at
which time it traverses from the axilla distally down the medial aspect of
the arm, forearm & into the ring and little finger. © Copyright
Spinal nerve supply of the cervical region