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Anatomy > Muscles Of Upper Limb > Flashcards

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
Q

Deltoid origin

A
  • anterior border of lateral part of clavicle
  • lateral border of acromion process
  • lower lip of crest of spine of scapula
26
Q

Deltoid insertion

A

Deltoid tuberosity of humerus

27
Q

Deltoid nerve supply

A

Axillary nerve

28
Q

Supraspinatus origin

A

Supraspinous fossa of scapula

Passes as a tendon laterally beneath the coracoacromial arch

29
Q

Supraspinatus insertion

A

Upper impression of greater tubercle of humerus

30
Q

Infraspinatus origin

A

Medial part of infraspinous fossa of scapula

31
Q

Infraspinatus insertion

A

Middle impression of greater tubercle of humerus

32
Q

Teres minor origin

A

As two slips on upper 2/3 of lateral border of dorsal surface of scapula

33
Q

Teres minor insertion

A

Lower impression of greater tubercle of humerus

34
Q

Subscapularis origin

A

Medial 2/3 of subscapular fossa

35
Q

Subscapularis insertion

A

Lesser tubercle of humerus

36
Q

Teres major origin

A

Lower part of dorsal surface of lateral border and inferior angle of scapula

37
Q

Teres major insertion

A

Medial lip of bicipital groove

38
Q

Supraspinatus nerve supply

A

Suprascapular nerve

39
Q

Infraspinatus nerve supply

A

Suprascapular nerve

40
Q

Teres minor nerve supply

A

Axillary nerve

41
Q

Subscapularis nerve supply

A

Upper and lower subscapular nerves

42
Q

Teres major nerve supply

A

Lower subscapular nerve

43
Q

Coracobrachialis origin

A

Coracoid process (along with short head of biceps brachii)

44
Q

Coracobrachialis insertion

A

Medial border of humerus

45
Q

Biceps brachii origin

A
  • short head from coracoid process

- long head from supraglenoid tubercle

46
Q

Biceps brachii insertion

A

Radial tuberosity

It has twisted tendon which gives off extension called bicipital aponeurosis

47
Q

Brachialis origin

A
  • Lower half of front of humerus

- medial and lateral intermuscular septa

48
Q

Brachialis insertion

A
  • coronoid process

- ulnar tuberosity

49
Q

Coracobrachialis nerve supply

A

Musculocutaneous nerve

50
Q

Biceps brachii nerve supply

A

Musculocutaneous nerve

51
Q

Brachialis nerve supply

A

Musculocutaneous nerve

Radial nerve

Anatomy (23 decks)

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