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Muscular skeletal anatomy > Pectoral Girdle & Upper limb > Flashcards

Pectoral Girdle & Upper limb Flashcards

Origins and insertions Actions

1
Q

What does the supraspinatus insert into?

A
  1. Supraspinous fossa

2. Greater tubercle of humerus

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2
Q

What movement does the supraspinatus do?

A

Abduction at the shoulder.

There are no other movements.

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3
Q

Where does the infraspinatus insert into?

A
  1. Greater tubercle of humerus

2. Infraspinous fossa of scapula

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4
Q

What movement does the infraspinatus do?

A
  1. Laterally rotate the shoulder.

2. Adduct the shoulder

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5
Q

What movement does the teres minor do?

A
  1. Lateral roation

2. Adduct the shoulder

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6
Q

Where does the teres minor insert into?

A
  1. Upper two thirds of lateral boarder of scapula

2. Greater tubercle

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7
Q

Where does the subscapularis insert into?

A
  1. Subscapular fossa of the scapula

2. Lesser tubercle of the humerus

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8
Q

What movement does the subscapularis do?

A
  1. Medially rotate the shoulder

2. Stabilse

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9
Q

Where does the latissimus dorsi attach to?

A
  1. Inferior angle of the scapula
  2. Spinous processes of last six thoracic vertebrae
  3. Last three or four ribs
  4. Thoracolumbar fossa
  5. Posterior iliac crest
  6. Intertubercular groove of humerus
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10
Q

What movement does the latissimus dorsi do?

A
  1. Extend the shoulder
  2. Adduct the shoulder
  3. Medially rotate
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11
Q

Where does the teres major attach?

A
  1. Inferior angle
  2. lower one-third of lateral boarder of the scapula
  3. Lesser tubercle of humerus
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12
Q

What is the movement of the teres major?

A
  1. Extend the shoulder
  2. Adduct the shoulder
  3. Medially rotate the shoulder
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13
Q

What does the Rhomboid major do?

A
  1. Adduct the scapula
  2. Elevate the scapula
  3. Downwardly rotate the scapula
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14
Q

Where does the rhomboid major attach?

A
  1. Spinous processes of T2 to T5

2. Medial boarder of the scapula between the spine of the scapula and inferior angle

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15
Q

What does the rhomboid minor do?

A
  1. Adduct the scapula
  2. Elevate the scapula
  3. Downwardly rotate the scapula
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16
Q

Where does the rhomboid minor attach?

A

Spinous process of C7 and T1

Upper portion of medial border of the scapula, across from the spine of scapula.

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17
Q

What does the Levator scapulae do?

A

Unilaterally:

  1. Elevate the scapula
  2. Downwardly rotate the scapula
  3. Laterally flex the head and neck
  4. Rotate the head and neck at the same time

Bilaterally:
1. Extend the head and the neck

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18
Q

Where does the levator scapulae attach?

A
  1. Transverse processes of first through fourth cervical vertebrae
  2. Medial boarder of the scapula between the superior angle and superior portion of spine of scapula
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19
Q

What does the Pectoralis major do?

A 
All fibres:
•	Adduct the shoulder 
•	Medially rotate the shoulder
Upper fibres:
•	Flex the shoulder 
•	Horizontally adduct 
Lower fibres:
•	Extend the shoulder
20
Q

Where does the pectoralis major attach?

A
  1. Medial half of the sternum, clavicle and cartilage of 6th through 1st ribs
  2. Crest of greater tubercle of the humerus
21
Q

What does the pectoralis minor do?

A
  1. Depress the scapula
  2. Abduct the scapula
  3. Downwardly rotate the scapula
22
Q

Where does the pectoralis minor attach?

A
  1. Third, fourth and fifth ribs

2. Medial surface of coracoid process of the scapula

23
Q

What does the deltoid do?

A 
All of the fibres:
•	Abduct the shoulder 
Anterior fibres:
•	Flex the shoulder 
•	Medially rotate the shoulder 
•	Horizontally adduct the shoulder 
Posterior fibres:
•	Extend the shoulder 
•	Laterally rotate 
•	Horizontally abduct
24
Q

Where does the deltoid attach?

A
  • Lateral one third of clavicle
  • Acromion
  • Spine of scapula
  • Deltoid tuberosity
25
Q

What does the triceps brachii do?

A
  • Extend the elbow
  • Extend the shoulder (long head)
  • Adduct the shoulder (long head)
26
Q

Where does the triceps brachii attach?

A
  • Infraglenoid tubercle
  • Posterior surface of proximal and distal half of the humerus
  • Olecranon process of the ulna
27
Q

What does the biceps brachii do?

A
  • Flex the elbow
  • Supinate the forearm
  • Flex the shoulder
28
Q

Where does the biceps brachii attach?

A
  • Coracoid process of the scapula
  • Supraglenoid tubercle .
  • Tuberosity of the radius
  • Aponeurosis of biceps brachii
29
Q

What does the brachialis do?

A
  1. Flex the elbow

2. There are no other movements

30
Q

Where does the brachialis attach?

A
  • Distal half of anterior surface of humerus

* Tuberosity and coronoid process of ulna

31
Q

What does the Extensor digitorum do?

A
  • Extend the second through fifth fingers

* Assist to extend the wrist

32
Q

Where does the Extensor digitorum attach?

A
  • Common extensor tendon from the lateral epicondyle of humerus
  • Bases of middle and distal phalanges of second through fifth fingers.
33
Q

What does the Extensor carpi ulnaris do?

A
  • Extend the wrist

* Adduct the wrist

34
Q

Where does the Extensor carpi ulnaris attach?

A
  • Common extensor tendon from the lateral epicondyle of humerus
  • Base of fifth metacarpal
35
Q

What does the Extensor carpi radialis longus do?

A
  • Extend the wrist
  • Abduct the wrist
  • Assist to flex the elbow
36
Q

Where does the Extensor carpi radialis longus attach?

A
  • Distal one-third of the lateral supracondylar ridge of humerus
  • Base of second metacarpal
37
Q

What does the Extensor carpi radialis brevis do?

A
  • Extend the wrist
  • Abduct the wrist
  • Assist to flex the elbow
38
Q

Where does the Extensor carpi radialis brevis attach?

A

Common extensor tendon from the lateral epicondyle of humerus
• Base of third metacarpal

39
Q

What does the Brachioradialis do?

A
  • Flex the elbow

* Pronate and supinate the forearm

40
Q

Where does the Brachioradialis attach?

A
  • Proximal 2/3 of lateral supracondylar ridge of humerus

* Styloid process of radius

41
Q

What does the Flexor carpi ulnaris do?

A
  • Flex the wrist
  • Adduct the wrist
  • Flex the elbow
42
Q

Where does the Flexor carpi ulnaris attach?

A
  • Humeral head: common flexor tendon from medial epicondyle of humerus
  • Ulnar head: Posterior surface of upper two thirds of ulna
  • Pisiform, hook of hamate and base of fifth metacarpal
43
Q

What does the Flexor carpi radialis do?

A
  • Flex the wrist

* Abduct the wrist

44
Q

Where does the Flexor carpi radialis attach?

A
  • Common flexor tendon from medial epicondyle of humerus

* Bases of second and third metacarpals

45
Q

What does the Palmaris longus do?

A
  • Flex the wrist

* Tense the palmar fascia

46
Q

Where does the Palmaris longus attach?

A
  • Common flexor tendon from medial epicondyle of humerus

* Flexor retinaculum and palmar aponeurosis

Muscular skeletal anatomy (4 decks)

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