Podcast
Questions and Answers
Which of the following is the primary movement of the scapula during shoulder abduction?
Which of the following is the primary movement of the scapula during shoulder abduction?
- Upward rotation and external rotation (correct)
- Retraction and external rotation
- Downward rotation and internal rotation
- Protraction and internal rotation
What is the primary movement of the clavicle during shoulder abduction?
What is the primary movement of the clavicle during shoulder abduction?
- Retraction and anterior rotation
- Protraction and posterior rotation
- Elevation and posterior rotation (correct)
- Depression and anterior rotation
What is the approximate range of glenohumeral joint abduction during full shoulder abduction?
What is the approximate range of glenohumeral joint abduction during full shoulder abduction?
- 150 degrees
- 180 degrees
- 120 degrees (correct)
- 90 degrees
Which of the following is NOT a function of the glenohumeral joint capsule?
Which of the following is NOT a function of the glenohumeral joint capsule?
What is the approximate range of external rotation of the glenohumeral joint during shoulder abduction?
What is the approximate range of external rotation of the glenohumeral joint during shoulder abduction?
Which of the following is a key principle associated with full shoulder abduction?
Which of the following is a key principle associated with full shoulder abduction?
Which ligament restrains external rotation at 90 degrees of abduction?
Which ligament restrains external rotation at 90 degrees of abduction?
What muscle is an effective restraint to external rotation with the arm at the side?
What muscle is an effective restraint to external rotation with the arm at the side?
In which plane do the deltoid and inferior rotator cuff act as force couples?
In which plane do the deltoid and inferior rotator cuff act as force couples?
What muscle helps reduce strain on the anterior band of IGHLC?
What muscle helps reduce strain on the anterior band of IGHLC?
What effect does the long head of biceps tendon have on external rotation?
What effect does the long head of biceps tendon have on external rotation?
Which muscle assists the deltoid in abduction?
Which muscle assists the deltoid in abduction?
What is the approximate angle of the scapular plane relative to the frontal plane?
What is the approximate angle of the scapular plane relative to the frontal plane?
What is the approximate angle of humeral head retroversion relative to the medial-lateral axis at the elbow?
What is the approximate angle of humeral head retroversion relative to the medial-lateral axis at the elbow?
What is the primary function of the shoulder girdle?
What is the primary function of the shoulder girdle?
What is the main role of the rotator cuff muscles in dynamic shoulder stabilization?
What is the main role of the rotator cuff muscles in dynamic shoulder stabilization?
Which of the following is NOT a primary motion of the glenohumeral joint?
Which of the following is NOT a primary motion of the glenohumeral joint?
How does the scapulothoracic posture affect the static stability of the glenohumeral joint?
How does the scapulothoracic posture affect the static stability of the glenohumeral joint?
What is the primary role of the glenoid labrum in the glenohumeral joint?
What is the primary role of the glenoid labrum in the glenohumeral joint?
What is the primary function of the coracoacromial arch in the subacromial space?
What is the primary function of the coracoacromial arch in the subacromial space?
What is the primary role of the superior capsular structures (SCS) in maintaining glenohumeral joint stability?
What is the primary role of the superior capsular structures (SCS) in maintaining glenohumeral joint stability?
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