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Musculoskeleton - OINA's > Page 2 (Arm & Forearm) > Flashcards

Page 2 (Arm & Forearm) Flashcards

0
Q

Triceps brachii - lateral head origin

A

Humerus proximal to radial groove

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1
Q

Triceps brachii - long head origin

A

Infraglenoid tubercle of scapula

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2
Q

Triceps brachii - medial head origin

A

Humerus distal to radial groove

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3
Q

Triceps brachii - all three heads - insertion

A

olecranon process of ulna

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4
Q

Triceps brachii - innervation

A

Radial nerve (C6, C7, C8)

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5
Q

Triceps brachii actions - two (arm) and one (forearm)

A

Extends and adducts arm

Extends the forearm

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6
Q

Biceps brachii - long head origin

A

Supraglenoid tubercle of the scapula

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7
Q

Biceps brachii - short head origin

A

Tip of the coracoid process of scapula

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8
Q

Biceps brachii - insertion

A

Radial tuberosity and its fascia (via bicipital aponeurosis)

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9
Q

Biceps brachii - actions (2 forearm, 1 arm)

A

Flexes and supinates forearm

Flexes arm (long head)

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10
Q

Biceps brachii - innervation

A

Musculocutaenous (C5, C6, C7)

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11
Q

Brachialis - insertion

A

Coronoid process and tuberosity of ulna

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12
Q

Brachialis - origin

A

Anterior surface of distal half of humerus

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13
Q

Brachialis - innervation

A

Musculocutaenous (C5, C6)

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14
Q

Brachialis - action

A

Flex the forearm

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15
Q

Coracobrachialis - origin

A

Coracoid process of Scapula

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16
Q

Coracobrachialis - insertion

A

Medial side of humerus at mid-shaft

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17
Q

Coracobrachialis - innervation

A

Musculocutaenous (C5, C6, C7)

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18
Q

Coracobrachialis - actions (2)

A

Flexes and adducts the arm

20
Q

Pronator teres - origins (2)

A

medial epicondyle and coronoid process of ulna

20
Q

Pronator teres - action

A

Pronates forearm

21
Q

Pronator teres - insertion

A

Midpoint of radius

22
Q

Flexor carpi radialis - origin

A

Medial epicondyle of humerus

23
Q

Pronator teres - innervation

A

Median nerve (C6, C7)

24
Q

Flexor carpi radialis - insertion

A

Base of second and third metacarpals

26
Q

Flexor carpi radialis - actions (2)

A

Flexes wrist, abducts hand

27
Q

Flexor carpi radialis - innervation

A

Median nerve (C6, C7)

27
Q

Subscapularis - action

A

Medially rotates the arm

28
Q

Subscapularis - origin

A

Subscapular fossa

29
Q

Subscapularis - insertion

A

Lesser tubercle of the humerus

Part of Rotator Cuff - SITS

31
Q

Subscapularis - innervations (2)

A

Upper and lower subscapularis nerves (C5, C6, C7)

31
Q

Teres major - insertion

A

Bicipital groove (medial lip)

32
Q

Teres Major - origin

A

Inferior angle of scapula

33
Q

Rhomboid major - origin

A

Spinous process of vertebrae T2-T5

34
Q

Teres Major - innervation

A

Lower subscapular nerve (C5, C6)

Part of PLT

35
Q

Teres Major - actions (2)

A

Adducts the arm, medially rotates arm

36
Q

Rhomboid major - insertion

A

Medial border of scapula (inferior to spine of scapula)

37
Q

Rhomboid major - action (3)

A

Retracts, elevates, and rotates the scapula inferiorly

38
Q

Rhomboid major - innervation

A

Dorsal Scapular nerve (C4, C5)

39
Q

Rhomboid minor - insertion

A

Medial border of scapula (at spine of scapula)

40
Q

Rhomboid minor - origins (3)

A

Inferior end of nuchal ligament

Spinous process of vertebrae C7 and T1

41
Q

Rhomboid minor - actions (3)

A

Retracts, elevates, and rotates the scapula inferiorly

42
Q

Rhomboid minor - Innervation

A

Dorsal Scapular nerve (C4, C5)

43
Q

Levator scapulae - origin

A

Transverse processes of C1-C4 vertebrae

44
Q

Levator scapulae - insertion

A

Medial border of scapula

46
Q

Levator scapulae - actions (2)

A

Elevates and downward rotation of scapula

47
Q

Levator scapula - innervations (2)

A

Dorsal scapula (C4, C5) and cervical nerve (C3, C4)

Musculoskeleton - OINA's (6 decks)

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