MusclesandNerves
2
Plate174
Accessory nerve (XI)
Trapezius muscle (
reflected
)
Levator scapulae muscle
Superficial cervical artery
Supraspinatus
muscle
Spine of
scapula
Infraspinatus
fascia
Rhomboid
minor muscle
Rhomboid
major muscle
Spinous process of
T12 vertebra
Gluteus maximus
muscle
Latissimus dorsi muscle
Thoracolumbar fascia
Iliac crest
External oblique muscle
Superior lateral brachial
cutaneous nerve (from
axillary nerve C5, 6)
Infraspinatus fascia
Lesser occipital nerve
Great auricular nerve
Trapezius muscle
Inferior clunial nerves from
posterior femoral cutaneous
nerve (sacral plexus S1, 2, 3)
Iliohypogastric nerve
(ventral ramus of T12, L1
spinal nerve)
Lateral cutaneous branches of
ventral rami (intercostal nerves)
Posterior cutaneous
branches (from lateral
branches of dorsal rami
of T7–12 spinal nerves)
Teres minor and
major muscles
Posterior cutaneous branches (from medial
branches of dorsal rami of C4–T6 spinal
nerves; C7,
8 are minimal)
Cervical plexus
(ventral rami of
C2, 3 spinal nerves)
Third occipital nerve (dorsal ramus of
C3 spinal nerve)
Greater occipital nerve (dorsal ramus of
C2 spinal nerve)
Deltoid muscle
Superior clunial nerves
(dorsal rami of L1, 2, 3 spinal
nerves)
Middle clunial nerves
(dorsal rami of S1, 2, 3 spinal
nerves)
NervesofBack
See±also±
Plates 409
,
±
481
±
