MSK Flashcards
anterior wall of the axilla is formed by the
pectoralis major and the pectoralis minor muscle
posterior wall of the axilla is formed by the
latissimus dorsi muscle
medial wall of the axilla is formed by the
thoracic wall, and serratus anterior muscle
lateral wall of the axilla is formed by the
intertubercular sulcus of the humerus
the axillary artery is a continuation of which artery
subclavian
at what anatomical point does the axillary artery start
lateral border of the 1st rib
at what anatomical point does the axillary artery become the brachial
inferior border of the teres major
what nerve roots form the upper trunk
C5-T1
Erb’s point is
C5, C6
the lower trunk of the brachial plexus consists of
C8-T1
injury to the lower trunk of the brachial plexus is called
Klumpke’s palsy
muscles affected by Klumpke’s palsy are
intrinsic muscles of the hand and ulnar, flexors of the wrist and fingers
branches of the lateral cord of the brachial plexus
lateral pectoral, lateral root of median nerve, musculocutaneous
branches of medial cord of brachial plexus
medial pectoral, ulnar, medial cutaneous of arm, medial cutaneous of forearm, medial root of median nerve
branches of the posterior cord of the brachial plexus are
thoracodorsal nerve, axillary nerve radial nerve, subscapular nerve
which vein in the dorsal venous arch is more lateral
cephalic
which vein in the dorsal venous arch is more medial
basilic
median cubital vein does what
shunts blood form the cephalic vein to the basilic
axillary lymph node groups are
anterior pectoral posterior subscapular apical central lateral
which part of the clavicle is the weakest?
middle third
the acromioclavicular joint is what sort of joint?
gliding/plane
the sternoclavicular joint is what sort of joint?
saddle
which joint links the proximal upper limb to the vertical body
sternoclavicular