Shoulder Flashcards
subclavius origin
junction between 1st rib and costal cartilage
subclavius insertion
inferior surface of middle third of clavicle
subclavius nerve
subclavian nerve
subclavius bs
thoracoacromial artery
subclavius action
anchors and depresses clavicle
pectoralis major origin
anterior surface of medial half of clavicle
anterior surface of sternum
superior 6 costal cartilage
external oblique aponeurosis
pectoralis major insertion
lateral lip of intertubercular sulcus
pectoralis major nerve
lateral and medial pectoral nerve
pectoralis major bs
thoracoacromial artery
pectoralis major action
adduction, medial rotation, flexion and extension at shoulder
draws scapula inferiorly and anteriorly
pectoralis minor origin
ribs 3-5
pectoralis minor insertion
coracoid process
pectoralis minor nerve
medial pectoral nerve
pectoralis minor bs
thoracoacromial artery
pectoralis minor action
stabilize scapula
serratus anterior origin
lateral, external surface ribs 1-8
serratus anterior insertion
anterior surface of medial border of scapula
serratus anterior nerve
long thoracic
serratus anterior bs
lateral thoracic artery and thoracodorsal artery
serratus anterior action
protraction and rotation of scapula
levator scapulae origin
posterior tubercles of transverse processes C1 - C4
levator scapulae insertion
medial border of scapula
levator scapulae nerve
dorsal scapular nerve
levator scapulae bs
dorsal scapular artery
levator scapulae action
elevation of scapula, inferior rotation of glenoid cavity
trapezius origin
superior nuchal line
external occipital protuberance
nuchal ligament
spinous processes C7 - T12
trapezius insertion
lateral third of clavicle, acromion, spine of scapula
trapezius nerve
spinal accessory nerve, C3 and C4
trapezius bs
transverse cervical artery
trapezius action
elevation, depression, rotation, retraction of scapula