Muscles of the Pectoral Girdle & Upper Limbs Part 1

1.

Multiple Choice

30 sec

1 pt

Indicate numerically which muscle is the trapezius please.

2

3

1

4

2.

Multiple Choice

30 sec

1 pt

True or False?
The trapezius originates from the ligamentum nuche and attaches to the spine of the scapula.

True

False

3.

Multiple Choice

30 sec

1 pt

Which of the following statements are false regarding the trapezium?
1. The superior fibres are attached to the cervical vertebrae and insert onto the spine of the scapula. They assist in upward rotation of the scapula.
2. The middle fibres abbduct the scapula.
3. The inferior fibres depress the scapula and downwardly rotate the scapula.

1, 2, & 3

2 & 3

1 & 3

2 only

4.

Multiple Choice

30 sec

1 pt

Which of the following nerves innervate the trapezium?

dorsal scapular nerve

accessory nerve

thoracodorsal nerve

medial nerve

5.

Multiple Choice

30 sec

1 pt

Which of the following posterior muscles are innervated via the dorsal scapular nerve?
1. Trapezium
2. Rhomboid
3. Levator Scapulae

1, 2, & 3

2 & 3

1 only

1 & 3

6.

Multiple Choice

30 sec

1 pt

Which of the following muscles elevate, adduct, & downwardly rotate the scapula?

Rhomboid major

Rhomboid minor

Levator scapulae

2 of the above options

7.

Multiple Choice

30 sec

1 pt

Which of the following muscles elevate & downwardly rotate the scapula?

Rhomboid major

Rhomboid minor

Levator scapulae

2 of the above options

8.

Multiple Choice

30 sec

1 pt

Indicate by label which muscles are the rhomboid major and minor.

I & J

E & F

G

A & I

9.

Multiple Choice

30 sec

1 pt

Problems with this muscle or its innervation can cause the winging of the scapula, as it attaches the scapula tightly to the rib cage by holding onto the medial border of the scapula.
Hint*: This muscle is innervated by the long thoracic nerve.

Pectoral minor

Serratus Anterior

Coracobrachialis

Rhomboid minor

10.

Multiple Choice

30 sec

1 pt

Which of the following anterior muscles of the pectoral girdle only influence the clavicle, more specifically, is the stabilizer of the clavicle?
Hint*: is innervated via the subclavian nerve.

subclavius

pectoral minor

serratus anterior

None of the above

11.

Multiple Choice

30 sec

1 pt

Which muscle in the illustration is innervated via the pectoral nerve and is the abductor of the scapula?
Use the numbers on the model please.

27

26

29

25

12.

Multiple Choice

30 sec

1 pt

Which muscle in the illustration is innervated via the pectoral nerve and is the adductor or flexor of the humerus?
Hint: it attaches to the greater tubercle of the humerus!

3

6

2

8

13.

Multiple Choice

30 sec

1 pt

Which muscle is the extensor and the adductor of the humerus?
Hint: is innervated via the thoracodorsal nerve and attaches to the diamond shaped fascia or goes through the intertubercular.

1

3

2

4

14.

Multiple Choice

30 sec

1 pt

Which muscle can extend and laterally rotate the spine of the scapula innervated via the auxilary nerve?

1

2

3

4

15.

Multiple Choice

30 sec

1 pt

Which muscle is inferior to the infraspinatus and superior to the teres major?
Hint: it can laterally rotate the humerus as it attached on the greater tubercle!

1

2

3

4

16.

Multiple Choice

30 sec

1 pt

Which muscle can flex and medially rotate the clavicle?

1

4

3

2

17.

Multiple Choice

30 sec

1 pt

The subscapularis can medially rotate the humerus and it is which muscle on the diagram:

1

4

3

2

18.

Multiple Choice

30 sec

1 pt

True or False?
The middle fibers of the deltoid influence the acromian by adducting it.

True

False

19.

Multiple Choice

30 sec

1 pt

Which of the following muscles insert on the lesser tubercle and medially rotate the humerus?
1. Subscapularis
2. Supraspinatus
3. Infraspinatus
4. Teres Minor
5. Teres Major

1

2

4 & 5

3

20.

Multiple Choice

30 sec

1 pt

Which of the following muscles insert on the greater tubercle and abbducts the humerus?
1. Subscapularis
2. Supraspinatus
3. Infraspinatus
4. Teres Minor
5. Teres Major

1

2

4 & 5

3

21.

Multiple Choice

30 sec

1 pt

Which of the following muscles insert on the greater tubercle and laterally rotate the humerus?
1. Subscapularis
2. Supraspinatus
3. Infraspinatus
4. Teres Minor

1

2

3 & 4

4

22.

Multiple Choice

30 sec

1 pt

Which of the following muscles are innervated via the suprascapular nerve?
1. Subscapularis
2. Supraspinatus
3. Infraspinatus
4. Teres Minor

1

3

2 & 3

4

23.

Multiple Choice

30 sec

1 pt

Which of the following muscles are innervated via the subscapular nerve?
1. Subscapularis
2. Supraspinatus
3. Infraspinatus
4. Teres Minor

1

3

2 & 3

4

24.

Multiple Choice

30 sec

1 pt

Which of the following are not part of the rotator cuff muscles of the glenohumeral joint?
1. Subscapularis
2. Supraspinatus
3. Infraspinatus
4. Teres Minor
5. Teres Major

1

2

3 & 4

5

25.

Multiple Choice

30 sec

1 pt

True or False?
All the deltoid muscle fibres insert onto the deltoid tuberosity.

True

False

26.

Multiple Choice

30 sec

1 pt

True or False?
The suprascapular nerve branches off the brachial plexus anterior to the scapula and it goes through the suprascapular notch to innervate the supraspinatus & infraspinatus.

True

False

27.

Multiple Choice

30 sec

1 pt

True or False?
The deltoid and teres minor are innervated via the accessory nerve.

True

False

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