Online quiz on the anatomy of the shoulder girdle

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2 votes, 5 avg

Created on September 04, 2022 By

Prof Kehinde Oluwadiya

Shoulder

Shoulder Quiz

1 / 30

Category: shoulder

1. In the shoulder joint:

1. subscapularis, supraspinatus, infraspinatus and teres minor all have rotatory action on the humerus and their tendons form the rotator cuff with the lateral part of the shoulder capsule

2. the subacromial bursa rolls inwards under the acromion when the arm is adducted

3. the joint capsule is attached to the surgical neck of the humerus inferiorly

4. the articular surface of the head of the humerus is five times the area of the glenoid cavity

5. None of the above

2 / 30

Category: shoulder

2. Which of the following is INCORRECT? Pectoralis major:

1. consists of clavicular and sternocostal heads

2. is innervated by C6 to T1

3. medially rotates and abducts the arm

4. assists flexion at the shoulder

5. can act as an accessory muscle of respiration

3 / 30

Category: shoulder

3. With regard to the pectoral girdle:

1. contains three joints, the sternoclavicular, the acromioclavicular and the glenohumeral

2. serratus anterior, the rhomboids and subclavius attach the scapula to the axial skeleton

3. pectoralis major and deltoid are the only muscular attachments between the clavicle and the upper limb

4. teres major provides attachment between the axial skeleton and the girdle

4 / 30

Category: shoulder

4. Which one of the following structures pass beneath the flexor retinaculum at the wrist?

1. palmaris longus

2. ulnar nerve

3. radial artery

4. ulnar artery

5. median nerve

5 / 30

Category: shoulder

5. The nerve supply to deltoid is from the:

1. pectoral nerves

2. thoracodorsal nerve

3. axillary nerve

4. long thoracic nerve

5. dorsal scapular nerve

6 / 30

Category: shoulder

6. The nerve supply of rhomboid major and rhomboid minor is from the:

1. pectoral nerves

2. thoracodorsal nerve

3. axillary nerve

4. long thoracic nerve

5. dorsal scapular nerve

7 / 30

Category: shoulder

7. Which of the following structures DOES NOT pierce the clavipectoral fascia in the delto-pectoral triangle?

1. lymphatics

2. medial pectoral nerve

3. acromiothoracic axis

4. lateral pectoral nerve

5. cephalic vein

8 / 30

Category: shoulder

8. Rotator cuff muscles include:

1. subclavius

2. teres minor

3. pectoralis major

4. teres major

5. deltoid

9 / 30

Category: shoulder

9. Which statement is INCORRECT?

1. the muscles of the rotator cuff are deemed to be such because all their tendons fuse with the lateral part of the shoulder capsule and are attached to the humerus near the joint

2. the capsule of the shoulder joint is attached at the line of the anatomical head except inferiorly where it extends to the level of the surgical neck

3. the subacromial bursa lies between the tendon of supraspinatus and the coraco-acromial ligament and communicates with the shoulder joint

4. the long tendon of biceps lies intracapsular and is sheathed by synovial membrane that allows it to slide

10 / 30

Category: shoulder

10. The nerve supply of infraspinatus is the:

1. axillary nerve

2. long thoracic nerve

3. infrascapular nerve

4. suprascapular nerve

5. subscapular nerve

11 / 30

Category: shoulder

11. With regard to action, which muscle is the odd one out?

1. teres minor

2. deltoid

3. teres major

4. subscapularis

5. trapezius – accessory nerve

12 / 30

Category: shoulder

12. The insertion of latissimus dorsi in the arm is into the:

1. lateral lip of the intertubecular groove

2. medial lip of the intertubecular groove

3. posterior border of the proximal humerus

4. floor of the intertubecular groove

5. superior facet of the greater trochanter

13 / 30

Category: shoulder

13. Which of the following is not a direct attachment of the pectoral girdle to the trunk?

1. The first part of the subclavian artery:

2. pectoralis major

3. trapezius

4. serratus anterior

5. levator scapulae

14 / 30

Category: shoulder

14. Which structure lies in the deltopectoral groove?

1. median pectoral nerve

2. lateral pectoral nerve

3. cephalic vein

4. basilic vein

5. axillary vein

15 / 30

Category: shoulder

15. Which of the following IS NOT true about pectoralis major?

1. only upper limb muscle supplied by all five segments of brachial plexus

2. arises by two heads

3. inserts via a bilaminar tendon

4. innervated by lateral pectoral nerve

5. contributes to boundaries of axilla

16 / 30

Category: shoulder

16. Sternoclavicular joint:

1. lateral anterior half of manubrium

2. body of sternum

3. aponeurosis of external oblique

4. upper six ribs

5. medial half of anterior clavicle

17 / 30

Category: shoulder

17. Which of the following does not connect the arm to the shoulder girdle?

1. deltoid

2. biceps

3. subclavius

4. subscapularis

5. supraspinatus

18 / 30

Category: shoulder

18. Regarding the shoulder joint:

1. extensor carpi radialis brevis

2. extensor digitorum comminus

3. extensor carpi radialis longus

4. extensor digiti minimi

5. extensor carpi ulnaris

19 / 30

Category: shoulder

19. The quadrangular space between teres major and subscapularis transmits:

1. lower subscapular nerve

2. axillary artery

3. profunda brachii vessels

4. radial nerve

5. post circumflex humeral artery

20 / 30

Category: shoulder

20. Teres major:

1. receives its nerve supply from the lateral cord of the brachial plexus

2. is part of the medial wall of the axilla

3. forms the medial border of the triangular space

4. is separated from teres minor by the long head of triceps

5. has the same nerve supply as teres minor

21 / 30

Category: shoulder

21. Identify the incorrect pairing for testing muscles:

1. latissimus dorsi – abduct to 60° and adduct against resistance

2. trapezius – shrug shoulders against resistance

3. rhomboids – place hands on hips and draw elbows back and scapulae together

4. serratus anterior – push with arms outstretched against a wall

22 / 30

Category: shoulder

22. Which of the following is correct regarding the clavicle:

1. ossifies at eight weeks

2. has atypical synovial joints at both ends

3. articulates with the first rib

4. is more curved in females

5. None of the above

23 / 30

Category: shoulder

23. Deltoid:

1. anterior fibres arise from lateral two thirds of clavicle

2. posterior fibres arise from superior lip of crest of scapular spine

3. lateral fibres only are multi-pennate

4. fibres strengthen shoulder joint capsule

5. acts in isolation to abduct humerus

24 / 30

Category: shoulder

24. The nerve supply to teres major is from the:

1. lower subscapular nerve

2. dorsal scapular nerve

3. suprascapular nerve

4. upper subscapular nerve

5. thoracodorsal nerve

25 / 30

Category: shoulder

25. The subclavius muscle:

1. arises from the costochondral junction of the second rib

2. passes in the subclavian groove on the inferior aspect of the clavicle to attach to the acromion

3. is enclosed by the upper attachment of the clavipectoral fascia

4. is supplied by C7 and C8

5. None of the above

26 / 30

Category: shoulder

26. Regarding the shoulder joint, which is INCORRECT?

1. full abduction requires medial rotation

2. the long head of biceps is intracapsular

3. the subacromial bursa is attached to the coracoacromial ligaments

4. flexion involves pec major, deltoid, coracobrachialis and biceps

5. supraspinatus initiates abduction

27 / 30

Category: shoulder

27. Regarding the sternoclavicular joint, the major stabilising factor is the:

1. acromioclavicular ligament

2. costoclavicular ligament

3. interclavicular ligament

4. sternoclavicular ligament

5. coracoclavicular ligament

28 / 30

Category: shoulder

28. Pectoralis major arises from all EXCEPT the:

1. lateral anterior half of manubrium

2. body of sternum

3. aponeurosis of external oblique

4. upper six ribs

5. medial half of anterior clavicle

29 / 30

Category: shoulder

29. Which of the following is INCORRECT? Pectoralis minor:

1. arises from the 3 , 4 and 5 ribs

2. inserts into the coracoid process of the scapula

3. is innervated by both pectoral nerves

4. is an important landmark to the underlying axillary artery

5. is a medial rotator and adductor of the arm

30 / 30

Category: shoulder

30. Pectoralis major:

1. is innervated laterally by the lateral pectoral nerve

2. inserts into the medial lip of the intertubercular sulcus

3. receives its arterial supply via the thoracoacromial artery

4. can act as an accessory muscle of inspiration

5. acts with latissimus dorsi and teres minor to adduct the arm

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Online Quiz: The Shoulder

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Online Quiz: The Shoulder

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