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Muscles Of Upper Limb Flashcards

1
Q

Pectoralis major origin

A
  1. Anterior surface of medial two thirds of clavicle.
  2. Manubrium, sternum
  3. 2nd to 6th coastal cartilages
  4. Aponeurosis of external oblique muscles of abdomen.
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2
Q

Pectoralis major insertion

A

By bilaminar tendon in bicipital groove

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3
Q

Pectoralis minor origin

A

3,4,5 ribs near costochondral junction

Fascia covering external intercoastal muscles

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4
Q

Pectoralis minor insertion

A

Coracoid process

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5
Q

Subclavius origin

A

First rib at costochondral junction

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6
Q

Subclavius insertion

A

Subclavian groove of clavicle

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7
Q

Nerve supply of pectoralis major

A

Medial and lateral pectoral nerves

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8
Q

Nerve supply of pectoralis minor

A

Medial and lateral pectoral nerves

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9
Q

Nerve supply of subclavius

A

Nerve to subclavius from upper trunk of brachial plexus

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10
Q

Trapezius origin

A
  • medial one third of superior nuchal line
  • external occipetal protuberance
  • ligamentum nuchae
  • C7 spine
  • T1-T12 spines
  • supraspinous ligaments
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11
Q

Trapezius insertion

A
  • posterior border of lateral part of clavicle
  • acromion process
  • upper lip of spine of scapula
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12
Q

Lattisimus dorsi origin

A
  • outer lip of iliac crest
  • posterior layer of thoracolumbar fascia
  • spines of T7-T12
  • lower four ribs
  • inferior angle of scapula
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13
Q

Lattisimus dorsi insertion

A
  • winds around lower border of teres major

- floor of intertubercular sulcus

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14
Q

Levator scapulae origin

A
  • transverse processes of C1, C2

- posterior tubercles of transverse processes of C3, C4

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15
Q

Levator scapulae insertion

A

-superior border and upper part of medial border of scapula

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16
Q

Rhomboids major origin

A
  • spines of T2-T5

- supraspinous ligaments

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17
Q

Rhomboids major insertion

A

Medial border of scapula

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18
Q

Rhomboids minor origin

A
  • lower part of ligamentum nuchae

- spines C7 and T1

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19
Q

Rhomboids minor insertion

A

-base of triangular area at root of the spine of scapula

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20
Q

Trapezius nerve supply

A
  • spinal part of accessory nerve (XI)

- branches from C3, C4

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21
Q

Lattisimus dorsi nerve supply

A

Thoracodorsal nerve

22
Q

Levator scapulae nerve supply

A

-branch of dorsal scapular nerve

23
Q

Rhomboids major nerve supply

A

Dorsal scapular nerve

24
Q

Rhomboids minor nerve supply

A

Dorsal scapular nerve

25
Deltoid origin
- anterior border of lateral part of clavicle - lateral border of acromion process - lower lip of crest of spine of scapula
26
Deltoid insertion
Deltoid tuberosity of humerus
27
Deltoid nerve supply
Axillary nerve
28
Supraspinatus origin
Supraspinous fossa of scapula Passes as a tendon laterally beneath the coracoacromial arch
29
Supraspinatus insertion
Upper impression of greater tubercle of humerus
30
Infraspinatus origin
Medial part of infraspinous fossa of scapula
31
Infraspinatus insertion
Middle impression of greater tubercle of humerus
32
Teres minor origin
As two slips on upper 2/3 of lateral border of dorsal surface of scapula
33
Teres minor insertion
Lower impression of greater tubercle of humerus
34
Subscapularis origin
Medial 2/3 of subscapular fossa
35
Subscapularis insertion
Lesser tubercle of humerus
36
Teres major origin
Lower part of dorsal surface of lateral border and inferior angle of scapula
37
Teres major insertion
Medial lip of bicipital groove
38
Supraspinatus nerve supply
Suprascapular nerve
39
Infraspinatus nerve supply
Suprascapular nerve
40
Teres minor nerve supply
Axillary nerve
41
Subscapularis nerve supply
Upper and lower subscapular nerves
42
Teres major nerve supply
Lower subscapular nerve
43
Coracobrachialis origin
Coracoid process (along with short head of biceps brachii)
44
Coracobrachialis insertion
Medial border of humerus
45
Biceps brachii origin
- short head from coracoid process | - long head from supraglenoid tubercle
46
Biceps brachii insertion
Radial tuberosity | It has twisted tendon which gives off extension called bicipital aponeurosis
47
Brachialis origin
- Lower half of front of humerus | - medial and lateral intermuscular septa
48
Brachialis insertion
- coronoid process | - ulnar tuberosity
49
Coracobrachialis nerve supply
Musculocutaneous nerve
50
Biceps brachii nerve supply
Musculocutaneous nerve
51
Brachialis nerve supply
Musculocutaneous nerve | Radial nerve

Anatomy (23 decks)

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