Upper Limb Anatomy - Hard Version Flashcards
name the joints from sternum to fingers
sternoclavicular acromoclavicular glenohumeral radiohumeral humeroulnar proximal radioulnar distal radioulnar radiocarpal cmc mcp pip dip
what type of joint is sternoclavicular
saddle
what type of joint is acromoclavicular
plane
what type of joint is glenohumeral
ball n socket
what type of joint is radiohumeral
hinge
what type of joint is humeroulnar
hinge
what type of joint is proximal radioulnar
pivot
what type of joint is distal radioulnar
pivot
what type of joint is radiocarpal
ellipsoid
what type of joint is cmc
saddle
what type of joint is mcp
condyloid
in pronation which bone moves over which bone
radius moves over ulna
name the 7 axioappendicular muscles
trapezius serratus anterior rhomboid major rhomboid minor subclavius latissmus dorsi levator scapulae
innervation of trapezius muscle
cn xi spinal accessory
innervation of rhomboid major
dorsal scapula nerve
innervation of rhomboid minor
dorsal scapula nerve
innervation of serratus anterior
long thoracic nerve
muscles in scapula region
rotator cuff & levator scapulae
innervation of levator scapulae
dorsal scapular nerve
name the rotator cuff muscles
teres minor
infraspinatus
supraspinatus
subscapularis
know location of rotator cuff muscles
just know it
which rotator cuff muscles attach to greater tuberosity of humerus
teres minor
infraspinatus
supraspinatus
which rotator cuff muscles attach to less tuberosity of humerus
subscapularis
how many compartments of arm
2; anterior and posterior
muscles in anterior compartment of arm
biceps brachii
coracobrachialis
brachialis
innervation of muscles in anterior compartment of arm
musculocutaneous nerve
action of muscles in anterior compartment of arm
flexion of arm and forearm
additional action of muscles in anterior compartment of arm
biceps brachii also supinates forearm
muscles in posterior compartment of arm
triceps brachii
innervation of muscles in posterior compartment of arm
radial nerve
action of muscles in posterior compartment of arm
extension of arm and forearm
layers of anterior compartment of forearm
superficial, intermediate, deep
muscles in superficial anterior compartment of forearm
pronator teres
flexor capri radialis
palmaris longus
flexor capris ulnaris
innervation of pronator teres
median nerve
innervation of flexor capri radialis
median nerve
innervation of palmaris longus
median nerve
innervation of flexor capris ulnaris
ulnar nerve
muscles in intermediate anterior compartment of forearm
flexor digitorum superficialis
innervation of flexor digitorum superficialis
medial half; ulnar nerve, lateral half; median nerve
muscles in deep anterior compartment of forearm
flexor pollicis longus
flexor digitorum profundus
pronator quadratus
innervation of flexor pollicis longus
median nerve
innervation of flexor digitorum profundus
median nerve
innervation of pronator quadratus
median nerve
action of muscles in anterior compartment of forearm
flexion of wrist & digits
adduction/abduction/pronation of wrist
how many and names of layers in posterior compartment of forearm
2; superficial and deep
names of muscles in superficial layer posterior compartment of forearm
brachioradialis extensor carpi radialis longus extensor carpi radialis brevis extensor digitorum anoconeus extensor carpi ulnaris extensor digiti minimi
innervation of muscles in superficial layer posterior compartment of forearm
all radial nerve
names of muscles in deep layer of posterior compartment of forearm
supinator abductor pollicis longus extensor pollicis brevis extensor pollicis longus extensor indicis
innervation of muscles in deep layer of posterior compartment of forearm
all radial nerve
action of muscles in posterior compartment of forearm
extension of wrist and digits
abduction/adduction/supination of wrist
name of eminences in the hand
thenar eminence
hypothenar eminence
positions of eminences in the hand
thenar around thumb, more lateral
hypothenar more medial
names of muscles in thenar eminence
abductor pollicis brevis
flexor pollicis brevis
opponens pollicis
names of muscles in hypothenar eminence
abductor digiti minimi
flexor digiti minimi brevis
opponens digiti minimi
name of hand muscles not in thenar or hypothenar eminence
abductor pollicis
nerve supply to thenar eminence of hand
recurrent branch of median nerve
nerve supply to hypothenar eminence of hand
deep branch of ulnar nerve
which eminence of hand affected by carpal tunnel syndrome
thenar eminence
what are the intrinsic muscles of the hand
lumbricals
attachment of lumbricals
to tendons of flexor digitorum profundus
nerve supply to lumbricals
medial 2; ulnar nerve
lateral 2; medial nerve
name of the two interossei of hand
palmar interossei and dorsal interossai
function of palmar interossei
adduction of digitions
function of dorsal interossei
abduction of digits
innervation of dorsal interossei
ulnar nerve
innervation of palmar interossei
ulnar nerve
level of brachial plexus
C5-T1
location of brachial plexus
from axilla to medial arm, follows brachial artery
most common rotator cuff injury
partial tear or complete rupture of supraspinatus tendon
bones of pectoral girdle
manubrium of sternum, clavicle, scapula
define pectoral girdle
bones that attach upper limbs to axial skeleton
divisions of brachial plexus
roots trunk divisions cords nerves
name of trunks of brachial plexus
superior, middle, inferior
name of divisions of brachial plexus
anterior & posterior X3
name of cords of brachial plexus
lateral, posterior, medial
name of end nerves of brachial plexus
musculocutaneous nerve axillary nerve radial nerve median nerve ulnar nerve
what is lateral cord of brachial plexus formed from
anterior division of superior and middle trunks
what is posterior cord of brachial plexus formed from
posterior branches of superior, middle and inferior trunks
what is medial cord of brachial plexus formed from
anterior division of inferior trunk
what is superior trunk of brachial plexus formed from
C5 and C6 anterior roos
what is middle trunk of brachial plexus formed from
C7 anterior root
what is inferior trunk of brachial plexus formed from
C8 & T1 anterior roots
which nerves come off the brachial plexus at the level of the roots
dorsal scapula and long thoracic nerve
where does long thoracic nerve come from on brachial plexus
C5, C6, C7 nerve roots
where does dorsal scapular nerve come from on brachial plexus
C5 nerve root
which nerve comes off the brachial plexus at the level of the superior anterior division
suprascapular nerve
which nerve comes off the brachial plexus at the level of the lateral cord
lateral pectoral nerve
which nerves come off the brachial plexus at the level of the posterior cord
upper subscapular nerve
thoracodorsal nerve
lower subscapular nerve
which nerves come off the brachial plexus at the level of the meial cord
medial pectoral nerve
medial cutaneous nerve of arm
medial cutaneous nerve of forearm
which nerve comes off brachial plexus at level of superior trunk
nerve to subclavius
Action of supraspinatus
first 15 degrees of abduction
function of infraspinatus
external rotation
function of teres minor
external rotation
function of subscapularis
internal rotation
layers of superficial fossa
deep, superficial
where can you palpate ulnar nerve
posterior surface of medial epicondyle
what is the medial border of the cubital fossa
pronator teres
what is the lateral border of the cubital fossa
brachioradialis
what is the superior border of the cubital fossa
transverse line between epicondyles of humerus
contents of the deep part of the cubital fossa
radial nerve, median nerve, brachial artery
what does the radial nerve split into
deep and superficial branches
what does the brachial artery branch to
radial and ulnar arteries
what are the contents of the superficial part of the cubital fossa
biceps tendon & biceps aponeurosis
axillary vein
what is the median cubital vein formed from
cephalic & basilic vein
name of test that reflects function of biceps
biceps deep tendon reflex
which is more medial out of coracobrachialis and brachialis
coracobrachialis medial
level of spinal cord from musculocutaneous nerve
C5 & C6
which joints are involved in pronation of wrist
proximal and distal radioulnar joint