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