Joints Flashcards
(32 cards)
Sternoclavicular (SC) Joint Acromioclavicular (AC) Joint Scapulothoracic (ST) Joint Glenohumeral (GH) Joint (which of these is not a real joint)
Scapulothoracic (ST) Joint
Does the SC have an articular disc
yes
At full elevation of the upper limb, the clavicle is raised to a (what) degree angle
60
Dislocations of the SC joint (are or are not common)
Not
Does The ac have an articular disc
Yes
2 primary ligaments of AC
Acromioclavicular ligament
Coracoclavicular ligament
Fibrocartilaginous ring that acts to deepen the glenoid cavity
Glenoid labrum
Glenoid labrum is made of what kind of cartilage
Fibrocartilaginous
3 capsular ligaments of the GH
Coracohumeral ligament
Glenohumeral ligament
Transverse Humeral ligament
GH Extracapsular Ligament:
Coracoacromial ligament
Tendon of (what) is most frequently torn
supraspinatus
what direction of the GH joint is the weakest
inferior
what dierction do most disloactions happen
anterior
shoulder dislocations endanger what artery and what nerve
musculocutaneous
axillary
Supracondylar fracture on what side of the
humerus
lateral
Surgical Neck Fracture endanger what artery and what nerve
Axillary nerve
Circumflex humeral arteries
Mid shaft Fracture endanger what artery and what nerve
Radial nerve
Deep artery & vein
of the arm
Supracondylar Fracture endanger what artery and what nerve
Median nerve
Brachial artery
Medial Epicondyle Fracture
endanger what artery and what nerve
Ulnar nerve
no artery
what ligament makes up the annular ligament
radial collateral
for pronantion and supination what rotates around what
radius around a stable ulna
a nursemaids distraction involved what liagent
annular
The most common fracture
in adults > 50 yrs. old
colles fx (distal radius)
is associated with a “dinner fork deformity”:
a posterior displacement of the distal fragment, causing angulation
colles fracture