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posterior deltoid muscle

trapezius muscle (upper)

trapezius muscle (middle)

trapezius muscle (lower)

spinal accessory nerve

transverse cervical artery

latissimus dorsi muscle

Triangle of Auscultation

thoracolumbar fascia

levator scapulae muscle

rhomboid minor muscle

rhomboid major muscle

dorsal scapular nerve

dorsal scapular artery

serratus posterior superior muscle

serratus posterior inferior muscle

longissimus muscle
B

spinalis muscle
A

splenius muscle

semispinalis muscle

rectus capitus major muscle

rectus capitus minor muscle

obliquus capitus superior muscle

obliquus capitus inferior muscle

vertebral artery

occipital nerve

spinous process of atlas vertebra (C2)

body

vertebral foramen

vertebral arch

lamina

spinous process

transverse process

pedicle
E

superior articular processes with facets

inferior articular processes with facets

intervertebral disc

intervertebral foramen

Cervical Vertebrae (C1-C7)

Thoracic Vertebrae (T1-T12)

Lumbar Vertebrae (L1-L5)

the atlas (C1)
has no spinous process and no body

the axis (C2)
has a dens or odontoid process

vertebra prominens (C7)
nonbifid spine

medial borders

lateral borders

superior angles

inferior angles

scapular notch

glenoid fossa

supraglenoid tubercle
A

infraglenoid tubercles
B

scapular spine

acromion

supraspinous

infraspinous fossae

subscapular fossae

long head of triceps

teres minor

teres major

levator scapulae

rhomboid major

rhomboid minor

infraspinatus

supraspinatus

latissimus dorsi

pectoralis minor

long head of biceps

short head of biceps

serratus anterior

subscapularis

deltoid

trapezius

posterior deltoid muscle

spine of scapula

teres minor muscle

teres major muscle

quadrangular space

axillary nerve
7

posterior circumflex humeral artery

triceps brachii muscle long head

triceps brachii muscle lateral head

triceps brachii muscle medial head

triangular interval- radial nerve
from posterior cord, through triangular interval to posterior arm and forearm

triangular interval- deep brachial artery
-in radial groove with radial nerve
-to posterior arm, and anterior and posterior lateral elbow joint

suprascapular artery
army over navy under
artery over nerve under

suprascapular nerve

transverse scapular ligament

pectoralis major muscle

pectoralis minor muscle

anterior deltoid muscle

serratus anterior muscle

lateral thoracic artery
12

long thoracic nerve

long head of bicep
red

short head of bicep
blue

thoracodorsal nerve

coracobrachialis muscle

brachialis muscle

subscapularis muscle
