Spring Final Exam Flashcards
What are the anteriorn and posterior ring of the shoulder composed of?
ant: manubrium, SC joint
post: scapula, muscles to spine
What is the only true attachment of the upper extremity to the body?
SC joint
where are the axial components fo UE pain usually found?q
1) lower cervical
2) upper thoracic
3) TL junction
What is significant of the cervicothoracic junction?
site of muscle attachments:
- levator scap
- rhomboid
- trap
What are the viscerosomatic reflexes of UPPER Extremity pain?
sd-> increased symp tone and output -> decreased blood flow and lymph congestion-> pain
What are the actions of the lats? what is a possible somatic dysfunciton associated w it?
adduction, extension, internal rotation, raises pelvis
-possible glenohumeral dysfu.
List the shoulder joints?
glenohumeral
acromioclavicular
sternoclavicular
scapulothoracic (pseudo)
Describe the scapulothoracic rhythm
first 30 deg: all gleno
after that: 2:1 gleno to scap
What are the dynamic stabilizesr of the shoulder?
deltoid
rotator cuff muscles
(also biceps)
When is the supraspiatus tendon maximally impinged?
when shulder is abducted and internally rotated
- normally at 90 deg
- with int. rot., 60 deg
Where does the tendon of the long head of the biceps attach?
glenoid labrum
What are the ligaments of the AC joint?
acromioclavicular
coracoclavicular
coracoacromial
What are the degress of SC joint injury?
1: simple sprain, incomplete tear
2: ant/post sublux
3: complete rupture, dislocation
Describe an anterior dislcation of the SC iont?
compressive force
anterior and medial
3 osteopathic dysfuctinos of AC joint
anterior rotoation
posteiror rotation
AC separatoin
What ahppens to the humerus w an anterior roation dysfunction of the SC jiont?
humerus resists flexion
spain vs strain?
sprain: ligament injury
strain: muscle or tendon injury
mild-micro tearing
moderate-definite tearing
severe- complete tear
what is the main action of the radiohumeral joint?
supination.pronation