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shoulder
pectoral, scapular, and deltoid region
arm
between the shoulder and elbow (humerus)
forearm
between the elbow and wrist (radius and ulna)
hand
wrist, digits, and dorsum of the hand and palmer surface
scapula and the clavicles
pectoral girdle consists of what?
manubrium of the sternum
the pectoral girdle connects to what?
anteriorly
the pectoral girdle is only connected to the trunk in which direction?
“s” shaped shaft, acromial end, and sternal end
clavicle consists of what?
acromial end
flat where it articulates with the acromion of the scapula; lateral
sternal end
enlarged and triangular, articulates with the manubrium; medial
yes
does the scapula = the shoulder blade?
shoulder blade
triangular flat bone; posterolateral aspect of the thorax
spine of the scapula, body, acromion, glenoid cavity, and coracoid process
what makes up the scapula?
supraspinatus, infraspinatus, teres minor, subscapularis
rotator cuffs
what does SITS stand for?
the humerus (arm)
the long, upper arm bone
pectoral girdle
the humerus articulates with what?
medial and lateral epicondyles and the condyle
the distal epiphysis of the humerus contains what?
muscle attachment site
medial and lateral epicondyles serve what purpose on the humerus?
ulna and radius
condyle of the humerus articulates with what?
trochlea and capitulum
what are the articular regions of the condyle?
ulna
trochlea articulates with what?
radius
capitulum articulates with what?
yes; deltoid tuberosity
does the shaft of the humerus have a tuberosity?
the deltoid
what muscle is attached at the deltoid tuberosity?
the radial nerve
the shaft of the humerus contains a radial groove to provide a passageway for what?
intertubercular groove
the tubercles of the proximal epiphysis are separated by what?
lateral
the greater tubercle is
tips of the shoulder
the greater tubercle forms what?
anterior, medial
the lesser tubercle is
the olecranon of the ulna
what makes the elbow?
trochlea of humerus
what does the olecranon articulate with?
coronoid process (anterior)
what is the inferior lip of the trochlear notch?
humerus
the ulna articulates with?
extended
the olecranon enters the olecranon fossa when the forearm is what?
flexed
the coronoid process enters the coronoid fossa when the forearm is what?
the head of the radius
the radial notch of the ulna articulates with
articular disc
the ulnar head attaches to ____ ____ between the forearm and wrist
interosseos membrane
a fibrous sheet that connects the lateral margin of the ulnar shaft to the radius
biceps
radial tuberosity below the neck attaches the what?
ulnar notch and styloid process
articulations of the radius
styloid process
what helps stabilize the wrist joint?
4 each
how many proximal and distal carpal bones are there?
scaphoid, lunate, triquetrum, pisiform
what are the 4 proximal carpal bones from lateral to medial
proximal:
scaphoid
lunate
triquetrum
pisiform
please sell lucy the picture
trapezium, trapezoid, capitate, hamate
what are the distal carpal bones from lateral to medial?
distal:
trapezium
trapezoid
capitate
hamate
definitely thinking this crap’s hard
metacarpal bones
the 5 long bones of the hand; number I-V from lateral (thumb) to medial
2 proximal and distal
the pollex has how many phalanges
3 proximal, middle and distal
the fingers have how many phalanges
clavicle
most frequently fractured bones; especially in children
juncture of middle and lateral thirds
weakest part of the clavicle
result of severe trauma, may also see rib fractures
fractures of the humerus: proximal
osteoporosis
fractures of the humerus can occur due to
avulsed fracture
fracture of the humerus: greater tubercle is torn away
fracture of the shaft of the humerus
direct blow or torsion of the arm
transverse fracture of the humerus
fracture where the pull on the deltoid carries proximal fragment laterally
intercondylar fracture of the humerus
severe fall on the flexed elbow or with high impact injuries (MVA)
axillary nerve
surgical neck nerve injury
radial nerve
radial groove nerve injury
median nerve
distal end of the humerus nerve injury
ulnar nerve
medial epicondyle nerve injury
direct injury: transverse fractures
fractures of the radius and ulna are caused by
adults older than 50 and women
distal end fractures of the radius and ulna are common in
colle’s fracture
most common fracture of the radius and ulna
forced extension of the hand, outstretched hand, avulsion of the ulnar styloid process
dinner fork deformity
what is the colle’s fracture sometimes referred to as
fracture of the scaphoid
most frequently fractured carpal bone
fracture of the hamate
decreased grip strength can be caused by
articular disc
the ulnar head attaches to ____ ____ between the forearm and wrist