Shoulder injuries and evaluation

Question 1

Does the shoulder have good or bad bony stability

Answer 1

bad

Question 2

describe scapulohumeral rhythm

Answer 2

movement of scapula relative to the humerus, for the first 30 degrees of glenhumeral movement the scapula does not move, from 30-90 the scapula upwardly rotates and abducts 1 degree for every 2 degrees of glenhumeral movement, after 90 the ratio is 1 to 1

Question 3

What two structures could be the cause of a winging scapula

Answer 3

long thoracic nerve injury or serratus anterior weakness

Question 4

What is joint laxity

Answer 4

when a person can comfortably over extend a joint, because it is normal for this person it is not considered instability

Question 5

What is joint instability

Answer 5

when there is pain associated with extra movement in a joint

Question 6

What are the most common directions for shoulder chronic instability

Answer 6

anterior and inferior

Question 7

What are the signs and symptoms of anterior joint instability

Answer 7

clicking, pain, complain of dead arm during cocking phase, pain posteriorly

Question 8

What are some signs and symptoms of posterior instability

Answer 8

loss of internal rotation, crepitation, increased laxity, pain anteriorly and posteriorly

Question 9

What are some signs and symptoms of multidirectional instability

Answer 9

inferior laxity, pain and clicking with arm at side

Question 10

What is the treatment for chronic instability

Answer 10

scapular stabilization, posture and RTC strengthing

Question 11

What is impingement

Answer 11

three structures of the shoulder not having enough room to operate between acromion and humeral head

Question 12

What is impingement often associated with

Answer 12

chronic instability and postural mal-alignment