Anatomy - Upper body Flashcards
what is the axillary vein a continuation of
brachial vein
brachial plexus = anterior rami of ..
C5 - T1
musculocutaneous nerve
c5,c6,c7
ulnar nerve
c8, t1
median nerve
c6 - t1
axillary nerve
c5, c6
radial nerve
c5-t1
which spinous processes does the trapezius originate from?
c7 - t12
action of the subscapularis
medial rotation of the humerus
action of the infraspinatous/teres minor
lateral rotation of the humerus
what do supraspinatous, infraspinatous and teres minor attach onto?
greater tubercle of humorous
where is the subacromial bursa?
between the supraspinatous tendon and the acromion process of the scapula
the only muscle of the posterior compartment of the arm
nerve supply?
how many heads? where do they all attach?
triceps brachii
supplied by radial nerve
3 heads which all attach to the olecranon of the ulna
where is the radial groove?
posterior aspect of the radius
the radial nerve supplies triceps brachii then leaves the posterior compartment to enter the later aspect of the cubital fossa before returning to the posterior aspect of the forearm
:)
is the capitulum of the humerus medial or lateral?
lateral
muscles of the anterior compartment of the arm
nerve supply?
brachialis
coracobrachialis
biceps brachii
all supplied by the musculocutaneous nerve
which is medial - the long or short head of biceps brachii?
short head is medial
where do the long and short heads of biceps originate?
long head - supraglenoid tubercle
short head - coracoid process of the scapula
where does the biceps tendon attach?
radial tuberosity
biceps brachii spans the proximal radio ulnar joint and is the most powerful supinator of the forearm
:)
where does the coracobrachialis origionate
coracoid process of the scapula
brachialis - the most distal - where does it originate and attach
what does it form the base of?
humerus > coronoid process of the ulna
forms the base of the cubital fossa!
the radial nerve divides into a superficial and a deep branch- the deep branch passes through the supinator muscle and is then called the?
posterior interosseus nerve
innervation of the anterior compartment of the forearm
except flexor carpi ulnaris and medial part of flexor digitorum profundus which are ?
median nerve
these exceptions are ulnar nerve
is the pronator teres in the anterior or posterior forearm
anterior
is the palmaris longus medial or lateral
medial
how many heads does the flexor digitorum superficialis have?
2 heads
radial head and a humero-ulnar head
which branch of the median nerve is spared in carpal tunnel syndrome
the palmar cutaneous branch of the medial nerve is given off proximal to the tunnel»_space; spared
superficial palmar arch is immediately deep to
palmar aponeurosis
how many lumbricals are there?
n supply?
4 - one for each finger
medial 2 - ulnar n
lateral 2 - median n
interossei
do palmar or dorsal interossei adduct the digits?
what nerve supplies the interossei?
PAD
- palmar interossei adduct
DAB
- dorsal interossei abduct
all supplied by the ULNAR nerve