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Tag Test 1 > O,I,A,N > Flashcards

O,I,A,N Flashcards

1
Q

Pectoralis Major

A

O: 1. Clavicular head; medial clavicle
2. Sternocostal head: sternum and costal cartilages of ribs 2-6

I: greater tubercle and lateral lip of intertubercular groove of humerus

A: flexion, adduction & medial rotation of humerus

N: Medial & lateral pectoral n.

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2
Q

Pectoralis minor

A

O: ribs 2-5 near costal ridges

I: coracoid process of scapula

A: Abduction & downward rotation of scapula; assists in elevation of ribs when pectoral girdle is fixed

N: medial pectoral n.

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3
Q

Subclavius

A

O: 1st rib

I: subclavian groove of clavicle

A: depress clavicle

N: subclavian n.

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4
Q

Serratus anterior

A

O: ribs 1-8

I: medial border and inferior angle of the scapula

A: abduction & upward rotation of scapula (protraction)

N: long thoracic n.

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5
Q

Serratus posterior superior

A

O: ligamentum nuchae & spinous processes of C7-T3 vertebrae

I: superior border of ribs 2 to 4

A: elevation of ribs

N: 2-5 intercostal n.

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6
Q

Serratus posterior inferior

A

O: spinous processes of T11-L2 vertebrae

I: inferior borders of ribs 8-12 near their angles

A: depression of ribs

N: 9-12 thoracic spinal n.

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7
Q

Trapezius

A

O: occipital bone, ligamentum nuchae & spinous processes of C7-T12

I: lateral 1/3 of clavicle, spine & acromion of scapula

A: 1. Superior fibers: upward rotation of scapula; can also help extend the head
2. Middle fibers: adduction of scapula (retraction)
3. Inferior fibers: depression & upward rotation of scapula

N: accessory n. (CN XI) and cervical spinal n. C3-C5

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8
Q

Latissimus Dorsi

A

O: spinous processes of T7-L5, sacral crest, iliac crest and inferior 4 ribs

I: floor of intertubercular groove of humerus

A: extension, adduction & medial rotation of humerus

N. Thoracodorsal n.

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9
Q

Levator scapula

A

O: transverse processes of C1-C4

I: Upper 1/3 of medial border of scapula

A: elevation & downward rotation of scapula

N: dorsal scapular n. and cervical n. C3-C5

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10
Q

Rhomboid Major

A

O: spinous processes of T2-T5

I: lower 1/3 of medial border of scapula

A: elevation, adduction & downward rotation of scapula; stabilizes scapula

N: dorsal scapular n.

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11
Q

Rhomboid minor

A

O: spinous processes of C7-T1

I: medial border of scapula superior to spine

A: elevation, adduction & downward rotation of scapula; stabilizes scapula

N: dorsal scapular n.

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12
Q

Deltoid

A

O: lateral 1/3 of clavicle, acromion and spine of scapula

I: deltoid tuberosity of humerus

A: 1. Anterior fibers: flexion & medial rotation of humerus
2. Lateral fibers: abduction of humerus
3. Posterior fibers: extension & lateral rotation of humerus

N: axillary n.

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13
Q

Infraspinatus

A

O: infraspinous fossa of scapula

I: greater tubercle of humerus

A: lateral rotation of humerus at shoulder joint

N. Suprascapular n.

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14
Q

Teres minor

A

O: inferior lateral border of scapula

I: greater tubercle of humerus

A: lateral rotation of humerus at shoulder joint

N: axillary n.

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15
Q

Teres major

A

O: inferior angle of scapula

I: medial lip of intertubercular groove of humerus

A: extends and assists in adduction & medial rotation of humerus at shoulder joint

N: lower subscapular n.

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16
Q

Subscapularis

A

O: subscapular fossa of scapula

I: lesser tubercle of humerus

A: medial rotation of humerus at shoulder joint

N: upper & lower subscapular n.

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17
Q

Biceps brachii

A

O: 1. Long head: supraglenoid tubercle of scapula
2. Short head: coracoid process of scapula

I: radial tuberosity of radius & deep fascia of forearm via bicipital aponévroses

A: flexion of forearm at elbow joint, supination of forearm at radio-ulnar joint, flexion of humerus at shoulder joint

N: musculocutaneous n.

18
Q

Brachialis

A

O: distal anterior surface of humerus

I: ulnar tuberosity and coronoid process of ulna

A: flexion of forearm at elbow joint

N: Musculocutaneous & radial n.

19
Q

Coracobrachialis

A

O: coracoid process of scapula

I: middle 1/3 of medial surface of shaft of humerus

A: flexion and adduction of humerus at shoulder joint

N: musculocutaneous n.

20
Q

Triceps brachii

A

O: 1. Long head: infraglenoid tubercle of scapula
2. Lateral head: lateral and posterior surface of humerus , above radial groove
3. Medial head: posterior surface of humerus, below radial groove

I: olecranon process of ulna

A: extension of humerus at shoulder joint & extension of forearm at elbow joint

N: radial n.

21
Q

Brachioradialis

A

O: lateral border of distal end of humerus

I: superior to styloid process of radius

A: flexion of forearm at elbow joint

N: radial n.

22
Q

Pronator Teres

A

O: medial epicondyle of humerus and coronoid process of ulna

I: mid-lateral shaft of radius

A: pronator of forearm at radioulnar joint, flexion of forearm at elbow joint

N: median n.

23
Q

Flexor carpi radialis

A

O: medial epicondyle of humerus

I: base of 2nd & 3rd metacarpal

A: flexion & abduction (radial deviation) of hand at wrist joint

N: median n.

24
Q

Palmaris longus

A

O: medial epicondyle of humerus

I: flexor retinaculum & palmar aponeurosis

A: tenses palmar aponeurosis, flexion of hand at wrist joint

N: median n.

25
Q

Flexor carpi ulnaris

A

O: medial epicondyle of humerus

I: pisiform, hook of hamate & base of 5th metacarpal

A: flexion of middle phalanges of digits 2-5, flexion of hand at wrist joint

N: ulnar n.

26
Q

Flexor digitorum superficialis

A

O: medial epicondyle of humerus, proximal radius & ulna

I: middle phalanx of digits 2-5

A: flexion of middle phalanges of digits 2-5, flexion of hand at wrist joint

N: median n.

27
Q

Flexor digitorum profundus

A

O: anterior medial surface of shaft of ulna & interosseous membrane

I: base of distal phalanges of digits 2-5

A: flexion of distal phalanges of digits 2x5 & flexion of hand at wrist joint

N: median & ulnar n.

28
Q

Flexor pollicis longus

A

O: anterior surface of radius & interosseous membrane

I: base of distal phalanx of thumb

A: flexion of distal phalanx of thumb

N: median n.

29
Q

Pronator quadratus

A

O: distal shaft of ulna

I: distal shaft of radius

A: pronation of forearm at radioulnar joint

N: median n.

30
Q

Brachioradialis

A

O: lateral border of distal end of humerus

I: superior to styloïde process of radius

A: flexion of forearm at elbow joint

N: radial n.

31
Q

Extensor Carpi Radialis Longus

A

O: Lateral supracondylar ridge of humerus
I: Base of 2nd metacarpal
A: Extension and abduction of hand at wrist joint
N: Radial n.

32
Q

Extensor Carpi Radialis Brevis

A

O:lateral epicondyle of humerus
I: Base or 3rd metacarpal
A: Extension and abduction of hand at wrist joint
N: Radial n

33
Q

Extensor Digitorum

A

O: Lateral epicondyle of humerus
I: Middle & distal phalanges of digits 2-5
A: Extension of digits 2-5 & extension of hand at wrist joint
N: Radial n.

34
Q

Extensor Digiti Minimi

A

O: Lateral epicondyle of humerus
I: Tendon of extensor digitorum on 5th phalanx
A: Extension of 5th digit
N: Radial n.

35
Q

Extensor Carpi Ulnaris

A

O: Lateral epicondyle of humerus & posterior border of ulna
I: Base of 5th metacarpal
A: Extension & adduction (ulnar deviation) of hand at wrist joint
N: Radial n.

36
Q

Anconeus

A

O: Lateral epicondyle of humerus
I: Olecranon of ulna
A: Extension of forearm at elbow joint
N: Radial n.

37
Q

Supinator

A

O: Lateral epicondyle of humerus & supinator crest of ulna
I: Lateral proximal 1/3 of radius
A: Supination of forearm at radio-ulnar joints
N: Radial n.

38
Q

Abductor Pollicis Longus

A

O: Posterior middle surface of radius and ulna & interosseous membrane
I: Base of 1st metacarpal
A: Abduction and extension of thumb & abduction of hand at wrist joint
N: Radial n.

39
Q

Extensor Pollicis Brevis

A

O: Posterior middle surface of radius & interosseous membrane
I: Base of proximal phalanx of thumb
A: Extension of proximal phalanx of thumb, extension of 1st metacarpal & abduction of hand at wrist joint
N: Radial n.

40
Q

Extensor Pollicis Longus

A

O: Posterior middle surface of ulna & interosseous membrane
I: Base of distal phalanx of thumb
A: Extension of distal phalanx of thumb, extension of 1st metacarpal and abduction of hand at wrist joint
N: Radial n.

41
Q

Extension Indicis

A

O: Posterior distal surface of ulna & interosseous membrane
I: Blends into tendon of extensor digitorum of 2nd digit
A: Extension of index finger & extension of hand at wrist joint
N: Radial n.

Tag Test 1 (2 decks)

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