Acromiovlavicular Joint Separations Flashcards Preview

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Flashcards in Acromiovlavicular Joint Separations Deck (23):
1

The AC joint is vulnerable to

injury in collision
sports and in activities requiring repetitive overhead
motions

2

AC joint injuries male to female ratio

males 5:1

3

characterized by
torn but intact AC and CC
ligaments.
■ No instability or displacement.

type I

4

involve a
complete disruption of the AC
ligament with a torn but intact CC
ligament.
■ Both instability and displacement.

type II

5

(Dislocation)
– characterized by complete rupture
of the AC and CC ligaments. AC
joint is wide and distal clavicle
raised above acromion.
■ Both instability and displacement.

type III

6

determined by the position of the dislocated distal clavicle

type IV - VI

7

which type AC injuries will you not see in office

type IV- VI

8

defined by posterior displacement of
the clavicle relative to the acromion with buttonholing
through the trapezius muscle.

type IV

9

the clavicle is widely displaced
superiorly relative to the acromion as a result of
disruption of muscle attachments.

type V

10

(rare) - characterized by inferior
displacement of the distal clavicle below the acromial
process or the coracoid process.

type VI

11

never surgical (1-2 weeks of repair)

type I

12

not surgical but longer recovery (month repair)

type II

13

can go either way: surgery or non invasive care. ADL's dependent

type III

14

The patient places his hand on the opposite shoulder, while the
examiner exerts force horizontally. Again, the presence of pain
indicates possible pathology.

Cross-Arm Horizontal Adduction Test
* gold standard *

15

activity modification may
include the use of a sling / immobilization until
symptoms subside, enough healing time has
been allowed and range of motion is reasonably
comfortable.

type I

16

most orthopedic surgeons
recommend use of a sling for 1-2 weeks or until
symptoms subside.
■ Rehabilitation emphasizing maintaining or
regaining range of motion.

type II

17

Some controversy surrounds type III – it can be treated in the
same way as I and II but will take 6-12 weeks to heal

type III

18

Kenny Hower Splint is used in what type AC injury

type III

19

all but type ___ have an anatomical defect

I

20

diffuse, lateral shoulder pain
and/or local AC-joint pain.
■ Pain at night is common.
■ Usually due to inflammation of the RC tendon.
■ Crossed-arm adduction of the involved shoulder
with additional passive adduction by the
examiner also aggravates pain.

AC joint OA

21

The treatment for AC arthritis is

NSAIDS

22

co-morbidity to AC OA

■ Rotator cuff degeneration / tear
■ D/T intrusion of osteophytes into the
suprahumeral space.

23

reduce by having patient
lay with a towel roll between scapula. Traction
and abduction of the arm with slight pressure on
the clavicle

anterior dislocation of SC joint