Type 1 AC injury
mild sprain
Slight AC torn
No Xray findings
Type 2 AC injury
moderate sprain
all AC torn
increased AC joint and normal CC joint
Type 3 AC injury
severe sprain
AC and CC ligaments torn
Increased AC and CC joint space
where is the MC clavicle fx
middle 1/3
from seatbelt during car accident
What is the rarest spot for clavicle fx
medial 1/3 RARE 5%
What are complications of Clavicle Fx
- Huge callus formation causes nerve compromise
- malunion or nonunion
- laceration of sublavian artery or brachial plexus
- Distal DJD
MC shoulder dislocation
Subcoracoid
what is a bankart lesion
injury of the anterior inferior glenoid labrum
hill sachs/ hatchet deformity
depression in posterolateral head of humerous
flap fx
avulsion of greater tuberosity
Radiograph of rotator cuff tear
acromiohumeral joint space less than 6 mm
eroision of interior aspect of acromion process
flattening and atrophy of greater tuberosity
what is the critical zone for rotator cuff
8-15mm from insertion of supraspinatus tendon on the greater tubercle
NOT AS VASCULAR
what is the MC elbow fx in children
supracondylar fx
MC elbow fx in adults
Radial head or neck. from FOOSH
Indirect signs of elbow fx
- positive fat pad sign
- radio-capitellar line
- anterior humeral line
- hockey stick appearance
Ossification centers of the elbow
- Capitellum 3-6 months
- Radial Head 4-5yrs
- Internal/medial epicondyle 5-7 yrs
- Trochlea 8-9 yrs
- Olecranon8-10 yrs
- External/lateral epicondyle 11-12 yrs
CRITOE
what is the sail sign
Distal humerous fat pad sign from a fx
Type 1 radial head fx
vertical fx w/o displacement
Type 2 radial head fx
vertical fx w/ displacement
Type 3 radial head fx
communited fx
Type 4 radial head fx
fracture and dislocation
what is MC dislocation in children
elbow
Where does elbow dislocate in kids
posterior/posteriorlateral
