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Upper Extremity > Chest And Upper Arm > Flashcards

Chest And Upper Arm Flashcards

1
Q

Pectoralis Major

Origin

A

Clavicular head: medial 1/2 of clavicle

Sternocostal head: anterior surface of sternum, 1st-6th costal cartilages, aponeurosis external oblique m.

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2
Q

Pectoralis Major

Insertion

A

Lateral lip intertubercular groove of humerus

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3
Q

Pectoralis Major

Innervation

A

Lateral pectoral N. (C5-C7)

Medial Pectoral N. (C8-T1)

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4
Q

Pectoralis Major

Action

A

Humerus: adduction, medial rotation
Sternal head: helps extend a flexed humerus
Clavicular head: helps flex humerus

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5
Q

Pectoralis Minor

Origin

A

3rd-5th ribs anteriorly

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6
Q

Pectoralis Minor

Insertion

A

Coracoid process

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7
Q

Pectoralis Minor

Innervation

A

Medial Pectoral N. (C8-T1)

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8
Q

Pectoralis Minor

Action

A

Scapula: protraction

Closed Chain: Elevate Ribs

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9
Q

Subclavius

Origin

A

1st Rib at costochondral junction

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10
Q

Subclavius

Insertion

A

Middle 1/3 clavicle inferior surface

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11
Q

Subclavius

Innervation

A

Nerve to Sublclavius (C5-C6)

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12
Q

Subclavius

Action

A

Clavicle: depression

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13
Q

Coracobrachialis

Origin

A

Coracoid process of scapula

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14
Q

Coracobrachialis

Insertion

A

Middle 1/3 of medial humerus

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15
Q

Coracobrachialis

Innervation

A

Musculocutaneous N. (C5-C7)

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16
Q

Coracobrachialis

Action

A

Humerus: Flexion, adduction

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17
Q

Biceps Brachii

Origin

A

Long head: Supraglenoid tubercle of scapula

Short head: Coracoid Process

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18
Q

Biceps Brachii

Insertion

A

Radial Tuberosity, Bicipital aponeurosis

19
Q

Biceps Brachii

Innervation

A

Musculocutaneous N. (C5-C7)

20
Q

Biceps Brachii

Action

A

Humerus: Flexion
Forearm: Flexion, Supination

21
Q

Brachialis

Origin

A

Distal 1/2 of anterior humerus

22
Q

Brachialis

Insertion

A

Ulnar Tuberosity

Coronoid process

23
Q

Brachialis

Innervation

A

Musculocutaneous N. (C5-C7)

24
Q

Brachialis

Action

A

Forearm: Flexion

25
Q

Triceps Brachii

Origin

A

Long head: infraglenoid tubercle of scapula
Lateral head: posterior surface of lateral humerus superior to radial groove.
Medial head: posterior surface of medial humerus inferior to radial groove.

26
Q

Triceps Brachii

Insertion

A

Olecranon process of ulna

27
Q

Triceps Brachii

Innervation

A

Radial N. (C5-T1)

28
Q

Triceps Brachii

Action

A

Humerus: Extension
Forearm: Extenstion

29
Q

Anconeus

Origin

A

Lateral epicondyle of humerus

30
Q

Anconeus

Insertion

A

Lateral surface of olecranon process

31
Q

Anconeus

Innervation

A

Median N. (C5-T1)

32
Q

Anconeus

Action

A

Forearm: Extension

33
Q

Pronator Teres

Origin

A

Humeral head: medial epicondyle of humerus

Ulnar head: coronoid process of ulna

34
Q

Pronator Teres

Insertion

A

Lateral surface of radius

35
Q

Pronator Teres

Innervation

A

Median N. (C5-T1)

36
Q

Pronator Teres

Action

A

Forearm: flexion, pronation

37
Q

Flexor Carpi Radialis

Origin

A

Medial epicondyle of humerus

38
Q

Flexor Carpi Radialis

Insertion

A

Base of 2nd metacarpal

39
Q

Flexor Carpi Radialis

Innervation

A

Median N. (C5-T1)

40
Q

Flexor Carpi Radialis

Action

A

Wrist: Flexion, radial deviation

41
Q

Palmaris Longus

Origin

A

Medial Epicondyle of humerus

42
Q

Palmaris Longus

Insertion

A

Flexor Retinaculum, palmar aponeurosis

43
Q

Palmaris Longus

Innervation

A

Median N. (C5-T1)

44
Q

Palmaris Longus

Action

A

Wrist: Flexion

Upper Extremity (4 decks)

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