clavicle Flashcards
clavicle
Long bone (has no medullary cavity). ‘S’ shaped
1
Sternoclavicular joint articulation between the sternal end of the clavicle
and the clavicular notch of the manubrium of the sternum
2
Acromioclavicular joint: articulation between the acromial (lateral) end
of the clavicle and the acromion process of the scapula.
Associated Muscles:
Cervical {neck} flexors (sternocleidomastoid)
scapula
flat bone
associated joints 1
Acromioclavicular joint: articulation between the acromial (lateral) end of
the clavicle and the acromion process of the scapula.
2
Glenohumeral joint: articulation between the glenoid fossa of the scapula and
the head of the humerus.
3
Scapulothoracic joint: articulation between subscapular fossa and the
posterior upper rib cage.
humerus
long bone
associated joints 1
Glenohumeral joint: articulation between the glenoid fossa of the scapula and
the head of the humerus.
2
Humeroradial joint: articulation of the capitulum of the humerus and the
head of the radius.
3
Humeroulnar joint: articulation of the trochlea of the humerus, received by
the trochlear notch of the ulna.
radius
long bone
associated joints 1
Humeroradial joint: articulation of the capitulum of the humerus and the
head of the radius.
2
Proximal radioulnar joint: articulation of head of the radius and radial
notch of the ulna.
3
Mid- Radioulnar joint/ Interosseous Membrane
4
Distal radioulnar joint: articulation of head of the ulna and ulnar notch of
the radius.
5
Radiocarpal joint: articulation of the distal radial end and carpals: scaphoid
and lunate
ulna
long bone
associated joints 1
Humeroulnar joint: articulation of the trochlea of the humerus, received by
the trochlear notch of the ulna
2
Proximal radioulnar joint: articulation of head of the radius and radial
notch of the ulna.
3
Mid- Radioulnar joint/ Interosseous Membrane
4
Distal radioulnar joint: articulation of head of the ulna and ulnar notch of
the radius.
5
Ulnomeniscotriquetral joint: articulation of the distal ulna and the
triquetral carpal sandwiching a fibrocartilage disc (
carpal bones
All 8 carpals are short bones § SCAPHOID: boat shaped § LUNATE: crescent shaped § TRIQUETRAL: pyramidal shaped § PISIFORM: pea shaped § TRAPEZIUM: saddle shaped § TRAPEZOID: wedge shaped § CAPITATE: cubic, the "head stone" § HAMATE: wedged body with hook
associated joints 1
Radiocarpal joint: distal radial end and carpals: scaphoid and lunate
2
Ulnomeniscotriquetral joint: articulation of the distal ulna and the
triquetral carpal sandwiching a fibrocartilage disc
3
Midcarpal joints: between the proximal row of carpals and the distal row of
carpals
4
Intercarpal joints: articulation of adjacent surfaces of the proximal and
distal rows of carpals (between each carpal).
5
Carpometacarpal joints: distal row of carpals and bases of the metacarpals
metacarpals
long bones
associated joints 1
Carpometacarpal joints (CMC joints): distal surfaces of distal row of carpals and bases of the metacarpals
2
Intermetacarpal joints: adjacent surfaces of bases of metacarpals 2-5.
3
Metacarpophalangeal joints (MCP joints): between the metacarpal heads and the bases of the corresponding proximal phalanges