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Shoulder & Joints (muscles only)
Rinaldi 1/28/11 lecture
56
Anatomy
Undergraduate 4
02/02/2011

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Term
occipital bone spinous process of C1-T12
Definition
trapezius origin
Term
posterior border of the lateral third of the clavicle, acromion process, and spine of scapula
Definition
trapezius insertion
Term
accessory nerve, cranial nerve 11
Definition
trapezius innervation
Term
illiac crest & thoracolumbar fascia on spines of T7-L5
Definition
latissimus dorsi origin
Term
humerus intertubercular sulcus
Definition
latissmus dorsi insertion
Term
retraction of shoulder(middle fibers, elevation of shoulder(superior fibers), depression of shoulder(lower fibers)
Definition
action(s) of the trapezius
Term
thoracodorsal nerve
Definition
latissimus dorsi innervation
Term
medial rotaion, adduction, extension
Definition
latissmus dorsi actions
Term
spinous process of t2-t5
Definition
rhomboid major origin
Term
vertebral border of scapula
Definition
rhomboid major insertion
Term
dorsal scapular nerve (c5)
Definition
rhomboid major innervation
Term
retracts scapula
Definition
rhomboid major action
Term
spinous process C7-T1
Definition
rhomboid minor origin
Term
vertebral border of scapula
Definition
rhomboid minor insertion
Term
dorsal scapular nerve (C5)
Definition
rhomboid minor innervation
Term
retracts scapula
Definition
rhomboid minor action
Term
transverse process C1-C4
Definition
levator scapulae origin
Term
superior angle of scapula
Definition
levator scapulae insertion
Term
dorsal scapular nerve
Definition
levator scapulae innervation
Term
elevates scapula, rotates glenoid downward
Definition
levator scapulae action
Term
supraspinous fossa
Definition
supraspinatus origin
Term
greater tubercle
Definition
supraspinatus insertion
Term
suprascapular nerve
Definition
supraspinatus innervation
Term
abduction intiator (first 5-10 degrees)
Definition
supraspinatus action(s)
Term
infraspinous fossa
Definition
infraspinatus origin
Term
greater tubercle
Definition
infraspinatus insertion
Term
suprascapular nerve
Definition
infraspinatus innervation
Term
lateral/external rotation
Definition
infraspinatus action(s)
Term
subscapular fossa
Definition
subscapularis origin
Term
lesser tubercle
Definition
subscapularis insertion
Term
subscapular (upper and lower)
Definition
subscapularis innervation
Term
medial rotation
Definition
subscapularis action(s)
Term
axillary border of scapular
Definition
teres minor origin
Term
greater tubercle
Definition
teres minor insertion
Term
axillary (miner's have axe's)
Definition
teres minor innervation
Term
lateral rotation
Definition
teres minor action(s)
Term
inferior angle of scapula
Definition
teres major origin
Term
intertubercular sulcus
Definition
teres major insertion
Term
lower subscapular nerve
Definition
teres major innervation
Term
medial rotation
Definition
teres major action(s)
Term
scapular spine, acromion, lateral clavicle
Definition
deltoid origin
Term
deltoid tuberosity
Definition
deltoid insertion
Term
axillary nerve
Definition
deltoid innervation
Term
extension-shoulder (posterior fibers)
abduction (middle fibers)
flexion of shoulder (anterior/clavicular portion)
Definition
deltoid action(s)
Term
clavicle one 1 head, costosternal margin on other head
Definition
pectoralis major origin
Term
intertubercular sulcus
Definition
pectoralis major insertion
Term
medial and lateral pectoralis nerves
Definition
pectoralis major innervation
Term
medial rotation, adductor horizontally, extender and flexor
Definition
pectoralis major action(s)
Term
ribs 3-5
Definition
pectoralis minor origin
Term
coracoid process
Definition
pectoralis minor insertion
Term
medial pectoral nerve
Definition
pectoralis minor innervation
Term
depression of shoulder
Definition
pectoralis minor action(s)
Term
ribs 1-8
Definition
serratus anterior origin
Term
vertebral border of scapula
Definition
serratus anterior insertion
Term
long thoracic nerve
Definition
serratus anterior innervation
Term
protraction of scapula (boxing thowing a punch)
Definition
serratus anterior action(s)
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