Shoulder Muscles Flashcards
Pec Minor Nerve
Lat Pec N (C5-7)
Med Pec N (c8-t1)
Pec Minor Artery
thoracoacromial artery
function of pec minor
depress the scap
downward rotation
abduction
anterior tilt
pec min attachments
proximal: anterior ribs 3-5
distal: coracoid process of scapula
subclavius attachments
prox: 1st rib
dist: inf clavical
subclavius nerve
subclavius N
direct branches from C5-7
subclavius artery
Thoracoacromial Artery
subclavius function
stabalizes clavical
Trapezius Attachment 1
prox: occipital bone skull and upper cervical spinous processes (C1-C3)
dIst: lat 1/3 clavical
Trapezius Attachment 2
prox: lower cervical spinous process C4-C7
dist: acromoin process
Trapezius Attachment 3
prox: upper thoracic spinouos process (T1-T4)
dist: scapular spine
Trapezius Attachment 4
prox: lower throacic spinous process (T5-T12)
dist: med scapular spine
Trapezius Nerve
CN 11 (Accessory) c2-c4 ventral rami
Trapezius Artery
dorsal scapular and suprascapular AA
Trapezius Function
Up Rotatio (1,2,4)
adduction (all)
elevation (1,2)
depression (4)