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Upper Limb 1 > Muscles of arm above elbow > Flashcards

Muscles of arm above elbow Flashcards

1
Q

Origins of Biceps Brachii

A

Long Head- Supraglenoid Tubercle

Short Head- Coracoid Process

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2
Q

Insertion of Biceps Brachii

A

Radial Tuberosity

Bicipital aponeurosis to fascia on medial forearm

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3
Q

Innervation of Biceps Brachii

A

Musculocutaneous Nerve (C5-C7)

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4
Q

Actions of Biceps Brachii

A

Flexes arm at the shoulder

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5
Q

Origin of Brachialis

A

Anterior, distal half of the humerus

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6
Q

Insertion of Brachialis

A

Coronoid Process and tuberosity of ulna

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7
Q

Innervation of Brachialis

A

Musculocutaneous Nerve (C5-C7)

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8
Q

Action of Brachialis

A

Flexes forearm at elbow joint

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9
Q

Origin of Brachioradialis

A

Lateral Supracondylar ridge of humerus

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10
Q

Insertion of Brachioradialis

A

Styloid Process of radius

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11
Q

Innervation of Brachioradialis

A

Radial Nerve (C5-C6)

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12
Q

Actions of Brachioradialis

A

Flexes forearm at Elbow (accessory)

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13
Q

Origin of Triceps Brachii

A

Long Head - Infraglenoid Tubercle
Lateral Head- Posterolateral humerus above spiral groove
Medial Head - Posterolateral humerus below spiral groove

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14
Q

Insertion of Triceps Brachii

A

Olecranon Process (ulna)

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15
Q

Innervation of Triceps Brachii

A

Radial Nerve (C5-T1)

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16
Q

Action of of Triceps Brachii

A

Extends forearm at elbow

17
Q

Origin of Pronator Teres

A

Medial Epicondyle

18
Q

Insertion of Pronator Teres

A

Middle and Lateral surface of Radius

19
Q

Innervation of Pronator Teres

A

Median Nerve (C6-C7)

20
Q

Action of Pronator Teres

A

Pronates and flexes arm at elbow

21
Q

Origin of Pronator Quadratus

A

Median, anterior surface of ulna

22
Q

Insertion of Pronator Quadratus

A

Lateral, anterior surface of radius

23
Q

Innervation of Pronator Quadratus

A

Median Nerve (C6-C7)

24
Q

Action of Pronator Quadratus

A

Pronates forearm

25
Q

Origin of Supinator

A

Lateral epicondyle of humerus

26
Q

Insertion of Supinator

A

Lateral Proximal radial shaft

27
Q

Innervation of Supinator

A

Radial Nerve

28
Q

Actions of Supinator

A

Supinates the forearm

Upper Limb 1 (2 decks)

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