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Prax 2 Flashcards

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1
Q

What is the origin of Pectoralis Minor?

A

3rd–5th ribs

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2
Q

What is the insertion of Pectoralis Minor?

A

Coracoid process of scapula

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3
Q

What is the nerve supply of Pectoralis Minor?

A

Medial pectoral nerve (C8–T1)

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4
Q

What is the action of Pectoralis Minor?

A

Stabilizes scapula; draws it anteriorly and inferiorly

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5
Q

What is the origin of Pectoralis Major?

A

Clavicle, sternum, upper six costal cartilages

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6
Q

What is the insertion of Pectoralis Major?

A

Lateral lip of bicipital groove of humerus

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7
Q

What is the nerve supply of Pectoralis Major?

A

Medial and lateral pectoral nerves (C5–T1)

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8
Q

What is the action of Pectoralis Major?

A

Adducts, flexes, and medially rotates arm

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9
Q

What is the origin of Trapezius?

A

Occipital bone, ligamentum nuchae, spinous processes of C7–T12

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10
Q

What is the insertion of Trapezius?

A

Lateral third of clavicle, acromion, and spine of scapula

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11
Q

What is the nerve supply of Trapezius?

A

Accessory nerve (CN XI)

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12
Q

What is the action of Trapezius?

A

Elevates, retracts, and rotates scapula

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13
Q

What is the origin of Biceps Brachii (long head)?

A

Supraglenoid tubercle of scapula

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14
Q

What is the insertion of Biceps Brachii (long head)?

A

Radial tuberosity

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15
Q

What is the nerve supply of Biceps Brachii (long head)?

A

Musculocutaneous nerve (C5–C6)

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16
Q

What is the action of Biceps Brachii (long head)?

A

Supinates forearm and flexes elbow joint

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17
Q

What is the origin of Biceps Brachii (short head)?

A

Coracoid process of scapula

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18
Q

What is the insertion of Biceps Brachii (short head)?

A

Radial tuberosity

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19
Q

What is the nerve supply of Biceps Brachii (short head)?

A

Musculocutaneous nerve (C5–C6)

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20
Q

What is the action of Biceps Brachii (short head)?

A

Flexes forearm at elbow

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21
Q

What is the origin of Flexor Digitorum Superficialis?

A

Medial epicondyle of humerus, coronoid process of ulna, radius

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22
Q

What is the insertion of Flexor Digitorum Superficialis?

A

Middle phalanges of fingers 2–5

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23
Q

What is the nerve supply of Flexor Digitorum Superficialis?

A

Median nerve (C7–T1)

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24
Q

What is the action of Flexor Digitorum Superficialis?

A

Flexes middle phalanges of fingers 2–5

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25
What is the origin of Flexor Digiti Minimi Brevis?
Hook of hamate, flexor retinaculum
26
What is the insertion of Flexor Digiti Minimi Brevis?
Base of proximal phalanx of 5th finger
27
What is the nerve supply of Flexor Digiti Minimi Brevis?
Ulnar nerve (deep branch)
28
What is the action of Flexor Digiti Minimi Brevis?
Flexes proximal phalanx of little finger
29
What is the origin of Abductor Pollicis Longus?
Posterior surfaces of ulna, radius, interosseous membrane
30
What is the insertion of Abductor Pollicis Longus?
Base of 1st metacarpal
31
What is the nerve supply of Abductor Pollicis Longus?
Posterior interosseous nerve (radial nerve branch)
32
What is the action of Abductor Pollicis Longus?
Abducts and extends thumb
33
What is the origin of Extensor Digitorum?
Lateral epicondyle of humerus
34
What is the insertion of Extensor Digitorum?
Extensor expansions of medial four fingers
35
What is the nerve supply of Extensor Digitorum?
Posterior interosseous nerve
36
What is the action of Extensor Digitorum?
Extends medial four fingers
37
What is the origin of Supraspinatus?
Supraspinous fossa of scapula
38
What is the insertion of Supraspinatus?
Greater tubercle of humerus
39
What is the nerve supply of Supraspinatus?
Suprascapular nerve (C5–C6)
40
What is the action of Supraspinatus?
Abducts arm (first 15°)
41
What is the origin of Pronator Teres?
Medial epicondyle of humerus, coronoid process of ulna
42
What is the insertion of Pronator Teres?
Lateral surface of radius
43
What is the nerve supply of Pronator Teres?
Median nerve (C6–C7)
44
What is the action of Pronator Teres?
Pronates and flexes forearm
45
What is the origin of Abductor Pollicis Brevis?
Flexor retinaculum, scaphoid, trapezium
46
What is the insertion of Abductor Pollicis Brevis?
Base of proximal phalanx of thumb
47
What is the nerve supply of Abductor Pollicis Brevis?
Median nerve (recurrent branch)
48
What is the action of Abductor Pollicis Brevis?
Abducts thumb
49
What is the origin of Extensor Digiti Minimi?
Lateral epicondyle of humerus
50
What is the insertion of Extensor Digiti Minimi?
Extensor expansion of 5th finger
51
What is the nerve supply of Extensor Digiti Minimi?
Posterior interosseous nerve
52
What is the action of Extensor Digiti Minimi?
Extends 5th finger
53
What is the origin of Rhomboid Major?
Spinous processes of T2–T5
54
What is the insertion of Rhomboid Major?
Medial border of scapula
55
What is the nerve supply of Rhomboid Major?
Dorsal scapular nerve (C4–C5)
56
What is the action of Rhomboid Major?
Retracts and rotates scapula
57
What is the origin of Brachialis?
Distal anterior surface of humerus
58
What is the insertion of Brachialis?
Coronoid process and tuberosity of ulna
59
What is the nerve supply of Brachialis?
Musculocutaneous nerve (C5–C6)
60
What is the action of Brachialis?
Flexes forearm at elbow
61
What is the origin of Flexor Carpi Ulnaris?
Medial epicondyle of humerus, olecranon, posterior ulna
62
What is the insertion of Flexor Carpi Ulnaris?
Pisiform, hook of hamate, base of 5th metacarpal
63
What is the nerve supply of Flexor Carpi Ulnaris?
Ulnar nerve (C7–C8)
64
What is the action of Flexor Carpi Ulnaris?
Flexes and adducts wrist
65
What is the origin of Abductor Digiti Minimi?
Pisiform bone
66
What is the insertion of Abductor Digiti Minimi?
Base of proximal phalanx of 5th finger
67
What is the nerve supply of Abductor Digiti Minimi?
Ulnar nerve (deep branch)
68
What is the action of Abductor Digiti Minimi?
Abducts little finger
69
What is the origin of Extensor Pollicis Brevis?
Posterior surface of radius, interosseous membrane
70
What is the insertion of Extensor Pollicis Brevis?
Base of proximal phalanx of thumb
71
What is the nerve supply of Extensor Pollicis Brevis?
Posterior interosseous nerve
72
What is the action of Extensor Pollicis Brevis?
Extends thumb at MCP joint
73
What is the origin of Extensor Pollicis Longus?
Posterior surface of ulna, interosseous membrane
74
What is the insertion of Extensor Pollicis Longus?
Base of distal phalanx of thumb
75
What is the nerve supply of Extensor Pollicis Longus?
Posterior interosseous nerve
76
What is the action of Extensor Pollicis Longus?
Extends thumb at IP and MCP joints
77
What is the origin of Latissimus Dorsi?
Spinous processes of T7–L5, thoracolumbar fascia, iliac crest, ribs 9–12
78
What is the insertion of Latissimus Dorsi?
Floor of intertubercular groove of humerus
79
What is the nerve supply of Latissimus Dorsi?
Thoracodorsal nerve (C6–C8)
80
What is the action of Latissimus Dorsi?
Extends, adducts, and medially rotates arm
81
What is the origin of Infraspinatus?
Infraspinous fossa of scapula
82
What is the insertion of Infraspinatus?
Greater tubercle of humerus
83
What is the nerve supply of Infraspinatus?
Suprascapular nerve (C5–C6)
84
What is the action of Infraspinatus?
Laterally rotates arm
85
What is the origin of Flexor Pollicis Brevis?
Flexor retinaculum, trapezium
86
What is the insertion of Flexor Pollicis Brevis?
Base of proximal phalanx of thumb
87
What is the nerve supply of Flexor Pollicis Brevis?
Median nerve (recurrent branch)
88
What is the action of Flexor Pollicis Brevis?
Flexes thumb
89
What is the origin of Extensor Digitorum Communis Tendon?
Lateral epicondyle of humerus
90
What is the insertion of Extensor Digitorum Communis Tendon?
Extensor expansions of fingers
91
What is the nerve supply of Extensor Digitorum Communis Tendon?
Posterior interosseous nerve
92
What is the action of Extensor Digitorum Communis Tendon?
Extends fingers
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