The Shoulder Girdle and Upper Extremity Flashcards
the upper extremity is also called what
upper limb
the upper extremity is called the upper limb that includes
the shoulder
arm/ humerus/brachium
forearm/ antebrachium
wrist
hand
the shoulder has two bones forming the shoulder girdle
scapula
clavicle
is a flat triangular bone lying against upper lateral posterior chest wall
Scapula or shoulder blade
is a flat triangular which has three borders
body of the scapula
the inner border that lies close to the vertebral column
Vertebral or Medial Border
is the outer border that lies behind and close to the armpit
Axillary or Lateral Boder
is the short upper border which has a depression on the lateral end
Upper or Superior Border
upper superior border is the short upper border which has a depression on the later end called what?
Scapular Notch
is the inner end at its junction with the vertebral column
Medial or Superior Angle
is the rounded lower end of the body of the scapula
Inferior Angle
is a narrow ridge or crest bone that projects back from the posterior surface of the body
Spine of the Scapula / Scapular Spine
Scapular spine divides the posterior surface of the scapular body into what?
” Supraspinatus fossa “ and “ Infraspinatus fossa “
is a flat rounded bony prominence continuous with the lateral end of the spine of the scapula
Acromion
is a poorly defined slightly expanded part lateral to the neck
Head of Scapula
is the thickened, slightly constricted part from the body
Neck of Scapula
is an oval depression on the outer surface of the head, somewhat cup-shaped.
Glenoid Cavity
is a beak-like projection of bone continuous with and projecting forward from the neck of the scapula
Coracoid Process
is a long slender bone resembling somewhat an old fashion key
Clavicle / Collar Bone
It has double curve or depression called the?
Supra and Infra Clavicular Fossa
its inner or sternal end articulate with the sternum forming the?
“Sterno-clavicular joint”
Its outer or acromial end articulate with the acromion of the scapula forming the?
“Acromio-clavicular-joint”
is a long cylindrical bone extending from the shoulder to the elbow joint
Humerus / Arm / Brachium
is the smooth, expanded, rounded upper end
head of the humerus
is the slightly constricted, obliquely directed part adjacent to the head
Anatomical Neck
head of the humerus is a smooth expanded rounded upper end that articulate with glenoid cavity of the scapula to form the ___?
Shoulder Joint
is a large rounded bony prominence on the upper, lateral border just below the anatomical neck
greater tubercle / tuberculum majus
it has a small depression for the insertion of what muscle?
Spinatus muscle
is a small bony prominence on the front of the upper humerus just below the anatomical neck
Lesser Tubercle / Tuberculum Minor
is the constricted part of the upper humerus below the tubercles
Surgical Neck
is the long rounded part that becomes flattened from front to back as it approaches the elbow
Shaft / Body / Diaphysis
is a rough prominence on the front or anterior surface above the midpoint of the humerus
Deltoid Tubercle / Deltoid Tuberosity
is that part on the distal end of the humerus that articulate with the semi-lunar notch of the ulna
Trochlea / Pulley
is a small rounded prominence also on the lower end of the humerus that lies on the outer or lateral side of the trochlea
Capitulum / Capitellum
is a depression on the front of humerus immediately above the trochlea
Coronoid Fossa
a process of the ulna fits into this fossa when he forearm is flexed
Coronoid process
is a depression on the back or posterior surface of the humerus above the trochlea
Olecranon Fossa
is a knuckle-like rounded bony prominence on the medial border
Medial Epicondyle
is a similar bony prominence on the outer border of the lower humerus
Lateral Epicondyle
what is the two long bones which extend from the elbow to the wrist
radius and ulna
in anatomical position the ___ is on the lateral side while the ___ is on the medial side
Radius (lateral) and Ulna (medial)
has two long bones the radius and ulna
Forearm / Antebrachium
is large and forms the wrist joints along with the proximal carpal bones
Lower Articular Surface
is a depression on the inner border of the lower radius just above its lower end
Ulnar Notch
the outer boarder of the head of the ulna fits into this notch
Ulnar Notch
is a large bony prominence on the outer or lateral border and distal end of the radius
Styloid process
become gradually larger as it approaches the wrist joint
Shaft / Body / Diaphysis
is the upper expanded disc-like end
Head (radius)
is the constricted part immediately below the head
Neck (radius)
is a prominence below the neck on the antero-medial border
Radial Tuberosity
when the forearm is extended
Olecranon
when the forearm is flexed
Coronoid Process
is the blunt rounded upper end of the ulna
Olecranon
forms a beak-like projection from the anterior surface of the ulna
Coronoid Process
is a small half-moon-shaped, concave hallow on the front of the upper ulna
Semi-lunar Notch / Trochlear Notch
is a small hollow or concavity on the outer or lateral border
Radial Notch
the inner border of the head of the radius fits into this notch
Radial Notch
is somewhat rounded and becomes smaller as it approaches the wrist
Shaft of the Ulna
is a very small bony prominence extending doen from the posterio-medial border of the head
Styloid Process
is its lower, expanded end and can be felt through the skin
Head of Ulna
carpal bones in the proximal row
navicular/scaphoid
lunate or semi-lunar
triangular or triquetral or triquetrum
pisiform
carpal bones in the distal row
greater multangular or trapezium
lesser multangular or trapezoid
capitate or Os magnum or capitatum
hamate or unciform
boat-shaped
this is frequency fractured in injuries to the wrist
navicular / scaphoid
pea-shaped bone
lies in front the triangular bone and it is the smallest among the proximal carpal bones
Pisiform
has a hook-like process arising from its front or anterior surface
Hamate “Hamulus”
moon-shaped bone
Lunate
articulate with the small pisiform anteriorly and is pyramid is shape
triquetrum
how many carpal bones in wrist or carpus?
8
how many metacarpal bones we have?
5
a bone which form the bony framework of the palm
metacarpal bones
how many bones in phalanges / phalanx
14 palanges
the tip of the distal phalanx is called ____?
“Tuft”
which is the point of contract between two bones, between bone and cartilage or between bone and teeth
Joint
Joint are also called ___ or ___?
articulation or arthrosis
in every man there is an how many joint bones?
360
is a freely movable joint
diarthrotic / diarthrosis / synovial
partially / slightly movable joint
ampiarthoratic / ampiarthrosis
joint in which no movement takes place
synarthrotic / synarthrosis or fibrous joint
cartilaginous joint in which the connecting material is hyaline cartilage
synchondrosis
cartilaginous in which the end of articulating bones are covered with hyaline cartilage
symphysis
types of fibrous joint
suture of skull
syndesmoses
gomphosis
one or both upper limbs maybe absent
abrachium
there is curvature of the he shaft of the radius, lying obliquely
madelung’s deformity
extra digits present from the normal five digits
supernumerary digits
there is elevation and deformity of teh scapula
Sprengel’s deformity