shoulder review

Question 1

What bones make up the shoulder girdle

Answer 1

clavicle and scapula

Question 2

What are the 5 main joints of the shoulder

Answer 2

sternoclavicular, acromioclavicular, glenohumeral, scapulothoracic, coracoclavicular

Question 3

what are the 3 ligaments of the shoulder and where are they located

Answer 3

acromioclavicular- at acromion process of clavicle
coracoclavicular- stretching from coracoid process to clavicle
transverse ligament- runs along top of deltoid

Question 4

what are the muscles of the rotator cuff and what are their actions

Answer 4

subscap- internal rotation
supraspinatus- external rotation
infraspinatus- external rotation
teres minor- external rotation

Question 5

what is shoulder separation

Answer 5

in jury of AC joint- damage to ligament, cause falling on outstretched arm or trauma

Question 6

what is shoulder dislocation

Answer 6

humeral head pops out of glenoid cavity cause- contact or direct blow to shoulder, treatment is strengthen. Likely to occur repetively

Question 7

what is winging scapula

Answer 7

Scapula protrudes out, loses stability. Cause- blunt trauma due to repetitive movements. Treatment is strengthen with rows or pushups

Question 8

What is impingement

Answer 8

Pinching/rubbing and wearing away. Cause- overuse from repetitive shoulder activities. will tear if nothing is done. Supraspinatus is commonly impinged

Question 9

what is glenohumeral instability

Answer 9

inability to maintain the humeral head in the glenoid cavity. Cause- shoulder labrum is torn off of the glenoid fossa by trauma or repetitive motion. There is too much movement then ligaments are stretched and can’t go back. Leads to arthritis treatment- strengthen muscles around joint

Question 10

What is thoracic outlet syndrome

Answer 10

occurs when blood vessels or nerves between clavicle and first rib are compressed or pinched. Arm/hand go numb and feel heavy. Cause- physical trauma such as car accident or repetitive sports injuries typically overhead sports. Treatment is stretches or surgery

Question 10

What position is the shoulder stable and most unstable in

Answer 10

stable- hand is near body
unstable- hand is away from body and abducted

Question 10

What is SLAP lesion

Answer 10

Long head pulls and humerus grinds on labrum. Damage to shoulder labrum or tear in biceps tendon superior labral tear from anerior to posterior. Cause- trauma , fall with out-stretched arm treated surgically

Question 10

In which joint do the bones not touvh

Answer 10

coracoclavicular