Exam 7: The Shoulder Complex

When a tennis player elevates her shoulder during a serve,the clavicle rolls in a(n)direction and glides in a(n)direction on the clavicular notch at the sternoclavicular joint.

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Question 1

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Scapular movements that take place at the acromioclavicular joint include tipping that occurs around a axis and that occurs around a axis.

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Question 2

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anterior/posterior,coronal,medial lateral rotation,vertical

What is the most frequent direction of glenohumeral (GH)dislocation? What position of the humerus puts the joint at greatest risk for dislocation?

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Anterior between the superior and middle GH ligaments.Because of the orientation of the head and fossa,the most common dislocation of the humeral head occurs anteriorly.Bringing the humerus into abduction and external rotation puts the humeral head in a position where it can most readily be thrust forward through the capsule.Although the inferior axilla is least protected,inferior dislocations generally would occur from a force from above,an area protected by the coracoacromial arch.The posterior axilla is well protected by musculature.The anterior joint has neither bony protection nor the muscular mass of the posterior axilla.There is also a common area of marked weakness in the anterior joint capsule that will fail with sufficient imposition of force.

Which of the following best describes the structure of the glenohumeral (GH)joint?

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Question 4

Why is the supraspinatus able to abduct the shoulder without additional muscular synergy?

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Question 5

Which of the following is a function of the rotator cuff during shoulder girdle elevation?

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Question 6

Elevation of the clavicle at the sternoclavicular joint involves osteokinematic motion of the clavicle in the direction and arthrokinematic motion of the joint surface in the direction.

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Question 7

How would range and strength of abduction of the upper extremity be affected if there were paralysis of the infraspinatus,teres minor,and subscapularis muscles?

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Question 8

What are the advantages to the coracoacromial arch? What are the disadvantages?

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Question 9

How would range and strength of abduction of the upper extremity be affected if there were a rupture of the coracoclavicular ligament?

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Question 10

Which structure directly produces the posterior rotation of the clavicle needed for normal shoulder girdle elevation?

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Question 11

The ultimate function of motion at the scapulothoracic joint is to:

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Question 12

Anterior scapular tipping is normally from vertical and directly affects motion at the joint.

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Question 13

Which muscle(s)stabilize(s)the scapula in order to allow normal function of the teres major muscle?

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Question 14

The ________________ligament is the primary stabilizer of the sternoclavicular joint.

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Question 15

How would range and strength of abduction of the upper extremity be affected if the sternoclavicular joint were fused?

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Question 16

How would range and strength of abduction of the upper extremity be affected if there were paralysis of the deltoid muscle?

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Question 17

The acromioclavicular (AC)joint contributes to shoulder elevation ____________________.

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Question 18

Which of the following muscles assists in counteracting the upward translatory force caused by the deltoid muscle at the glenohumeral joint?

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Question 19

What muscular synergy does the teres major require to perform its function?

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Question 20

Showing 1 - 20 of 25

When a tennis player elevates her shoulder during a serve,the clavicle rolls in a(n)direction and glides in a(n)direction on the clavicular notch at the sternoclavicular joint.

Scapular movements that take place at the acromioclavicular joint include tipping that occurs around a axis and that occurs around a axis.

What is the most frequent direction of glenohumeral (GH)dislocation? What position of the humerus puts the joint at greatest risk for dislocation?

Which of the following best describes the structure of the glenohumeral (GH)joint?

Why is the supraspinatus able to abduct the shoulder without additional muscular synergy?

Which of the following is a function of the rotator cuff during shoulder girdle elevation?

Elevation of the clavicle at the sternoclavicular joint involves osteokinematic motion of the clavicle in the direction and arthrokinematic motion of the joint surface in the direction.

How would range and strength of abduction of the upper extremity be affected if there were paralysis of the infraspinatus,teres minor,and subscapularis muscles?

What are the advantages to the coracoacromial arch? What are the disadvantages?

How would range and strength of abduction of the upper extremity be affected if there were a rupture of the coracoclavicular ligament?

Which structure directly produces the posterior rotation of the clavicle needed for normal shoulder girdle elevation?

The ultimate function of motion at the scapulothoracic joint is to:

Anterior scapular tipping is normally from vertical and directly affects motion at the joint.

Which muscle(s)stabilize(s)the scapula in order to allow normal function of the teres major muscle?

The ________________ligament is the primary stabilizer of the sternoclavicular joint.

How would range and strength of abduction of the upper extremity be affected if the sternoclavicular joint were fused?

How would range and strength of abduction of the upper extremity be affected if there were paralysis of the deltoid muscle?

The acromioclavicular (AC)joint contributes to shoulder elevation ____________________.

Which of the following muscles assists in counteracting the upward translatory force caused by the deltoid muscle at the glenohumeral joint?

What muscular synergy does the teres major require to perform its function?

Biomechanical Applications to Joint Structure and Function

Joint Structure and Function

Muscle Structure and Function

The Vertebral Column

The Thorax and Chest Wall

The Temporomandibular Joint

The Elbow Complex

The Wrist and Hand Complex

The Hip Complex

The Knee Complex

The Ankle and Foot Complex

Filters

Exam 7: The Shoulder Complex

When a tennis player elevates her shoulder during a serve,the clavicle rolls in a(n)________________direction and glides in a(n)________________direction on the clavicular notch at the sternoclavicular joint.

Scapular movements that take place at the acromioclavicular joint include ________________tipping that occurs around a ________________axis and ________________that occurs around a ________________axis.

What is the most frequent direction of glenohumeral (GH)dislocation? What position of the humerus puts the joint at greatest risk for dislocation?

Which of the following best describes the structure of the glenohumeral (GH)joint?

Why is the supraspinatus able to abduct the shoulder without additional muscular synergy?

Which of the following is a function of the rotator cuff during shoulder girdle elevation?

Elevation of the clavicle at the sternoclavicular joint involves osteokinematic motion of the clavicle in the ________________direction and arthrokinematic motion of the joint surface in the ________________direction.

How would range and strength of abduction of the upper extremity be affected if there were paralysis of the infraspinatus,teres minor,and subscapularis muscles?

What are the advantages to the coracoacromial arch? What are the disadvantages?

How would range and strength of abduction of the upper extremity be affected if there were a rupture of the coracoclavicular ligament?

Which structure directly produces the posterior rotation of the clavicle needed for normal shoulder girdle elevation?

The ultimate function of motion at the scapulothoracic joint is to:

Anterior scapular tipping is normally ________________from vertical and directly affects motion at the ________________joint.

Which muscle(s)stabilize(s)the scapula in order to allow normal function of the teres major muscle?

The ________________ligament is the primary stabilizer of the sternoclavicular joint.

How would range and strength of abduction of the upper extremity be affected if the sternoclavicular joint were fused?

How would range and strength of abduction of the upper extremity be affected if there were paralysis of the deltoid muscle?

The acromioclavicular (AC)joint contributes to shoulder elevation ____________________.

Which of the following muscles assists in counteracting the upward translatory force caused by the deltoid muscle at the glenohumeral joint?

What muscular synergy does the teres major require to perform its function?

Biomechanical Applications to Joint Structure and Function

Joint Structure and Function

Muscle Structure and Function

The Vertebral Column

The Thorax and Chest Wall

The Temporomandibular Joint

The Elbow Complex

The Wrist and Hand Complex

The Hip Complex

The Knee Complex

The Ankle and Foot Complex

Filters

When a tennis player elevates her shoulder during a serve,the clavicle rolls in a(n)direction and glides in a(n)direction on the clavicular notch at the sternoclavicular joint.

Scapular movements that take place at the acromioclavicular joint include tipping that occurs around a axis and that occurs around a axis.

Elevation of the clavicle at the sternoclavicular joint involves osteokinematic motion of the clavicle in the direction and arthrokinematic motion of the joint surface in the direction.

Anterior scapular tipping is normally from vertical and directly affects motion at the joint.