Higgins ch. 21 quiz
What are the muscles that are considered the prime movers for glenohumeral joint extension?
Latissimus dorsi, teres major, and posterior deltoid
What is the approximate normal range of glenohumeral arm elevation in either flexion or abductions for men?
160 to 175 degrees
What is the approximate normal range of glenohumeral arm elevation in either flexion or abductions for women?
175 to 180 degrees
Glenohumeral to scapulothoracic motion ration is approximately __ during normal shoulder elevation
2:1
What are the primary movers of the glenohumeral joint into flexion?
Anterior deltoid and coracobrachialis
What is the scapular motion present when a patient's acromion moves forward?
Anterior tilt
The relationship of which three bones is critical to the successful rehabilitation of the shoulder?
Clavicle, humerus, and scapula
Vertical stability of the acromioclavicular joint is provided by which ligaments?
Conoid and trapezius
What is the motion that occurs when a patient's scapula moves downward?
Depression
What is the motion that occurs when a patient's scapula moves up toward the head?
Elevation
What occurs when two equal forces pull on an object in opposite directions causing it to rotate?
Force couple
Glenohumeral abduction occurs when a patient's arm is raised away from the body in the ____ plane.
Frontal
Glenohumeral adduction occurs when a patient's arm is moved toward the body in the ____ plane.
Frontal
What is the main function of the rotator cuff?
Hold humeral head down during glenohumeral movement
What is a common structural cause of rotator cuff tendonitis?
Hooked acromion px
How would a clinician trying to increase a patient's glenohumeral abduction range of motion mobilize the humeral head?
Inferiorly
What is the type of impingement that involves the supraspinatus and infraspinatus tendons being compressed into the posterior aspect of the glenoid and glenoid labrum during the cocking phase of the throwing motion known as?
Internal impingement
What age group has the least likely incidence of recurrent should dislocations?
Over 40
What is a secondary mover of glenohumeral joint flexion?
Pectoralis major
Which of the following is NOT one of the five axioscapular muscles?
Pectoralis major
Which of the following injuries to the shoulder complex is a medical emergency?
Posterior S-C joint dislocation
What is the scapular motion present when a patient's acromion moves backward?
Posterior tilt
What is the motion that occurs when a patient's scapula moves forward on the thoracic wall?
Protraction
What is the motion that occurs when a patient's scapula moves backward on the thoraci wall?
Retraction
What are the muscles that are considered the prime movers for scapular retraction?
Rhomboid major, rhomboid minor, and trapezius
What are the muscles that are considered the prime movers for downward rotation of the scapula?
Rhomboids major, rhomboids minor, and pectoralis minor
Depression of the humeral head into the glenoid during shoulder motion is the primary function of the:
Rotator cuff muscles
Flexion of the glenohumeral joint when raising a patient's arm forward occurs in the ____ plane.
Saggital
Glenohumeral extension occurs when a patient's arm is backward in the ____ plane.
Saggital
What should a complete shoulder examination include?
Scapula, cervical, and thoracic spine
Which rotator cuff muscle assists with internal rotation?
Subscapularis
A labrum that is partially torn and edges are rough but not completely detached would be classified as a ____ SLAP lesion.
Type I
The most common labral lesion where the labrum is completely torn off the bone would be classified as a ____ SLAP lesion.
Type II
When a bucket-handle tear occurs in the labrum and it hangs into the joint causing symptoms of locking and popping, a ____ SLAP lesion exists.
Type III
When a tear in the labrum extends into the long head of the biceps tendon, a patient has a ____ SLAP lesion.
Type IV
