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MAT > Arm/Elbow > Flashcards

Arm/Elbow Flashcards

1
Q

Biceps Brachii Origin

A

Long Head: supraglenoid tubercule above the superior lip of the glenoid fossa
short head: coracoid process

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2
Q

Biceps Brachii Insertion

A

Tuberosity of the radius

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3
Q

Biceps Brachii Action

A

elbow flexion
forearm supination
shoulder horizontal adduction, flexion
NO attachment to humerus

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4
Q

Biceps Brachii Innervation

A

Musculocutaneous Nerve

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5
Q

Brachioradialis Origin

A

Distal 2/3 of the lateral supracondylar ridge of the humerus

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6
Q

Brachioradialis Insertion

A

lateral surface of the distal end of the radius at the styloid process

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7
Q

Brachioradialis Action

A

elbow flexion
forearm pronation from supination to neutral
forearm supination from pronated position to neutral
helps resist radial head subluzation

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8
Q

Brachioradialis Innervation

A

Radial Nerve

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9
Q

Brachialis Origin

A

distal 1/2 of the anterior shaft of the humerus

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10
Q

Brachialis Insertion

A

coronoid process of the ulna

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11
Q

Brachialis Action

A

Elbow Flexion

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12
Q

Brachialis Innervation

A

Musculocutaneous Nerve

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13
Q

Triceps Origin

A

Long Head: Infraglenoid tubercule below inferior lip of glenoid fossa
Lateral Head: upper 1/2 of posterior humerus
Medial Head: distal 2/3 of posterior humerus

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14
Q

Triceps Insertion

A

Olecranon Process

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15
Q

Triceps Action

A

Elbow Extension
Long Head: shoulder adduction and horizontal abduction

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16
Q

Triceps Innervation

A

Radial Nerve

17
Q

Anconeus Origin

A

Posterior surface of the lateral condyle of the humerus

18
Q

Anconeus Insertion

A

Posterior surface of the lateral olecranon process and proximal 1/4 of lateral ulna

19
Q

Anconeus Action

A

Elbow extension

20
Q

Anconeus Innervation

A

Radial Nerve

21
Q

Pronator Teres Origin

A

Distal part of the medial supracondylar ridge of the humerus and medial side of the proximal ulna

22
Q

Pronator Teres Insertion

A

Middle 1/3 of lateral radius

23
Q

Pronator Teres Action

A

Forearm Pronation
Elbow Flexion

24
Q

Pronator Teres Innervation

A

Median Nerve

25
Q

Pronator Quadratus Origin

A

Distal 1/4 of the anterior ulna

26
Q

Pronator Quadratus Insertion

A

Distal 1/4 of the anterior radius

27
Q

Pronator Quadratus Action

A

Forearm Pronation

28
Q

Pronator Quadratus Innervation

A

Anterior Interosseous Nerve (from median nerve)

29
Q

Supinator Origin

A

Lateral epicondyle of the humerus and posterior ulna

30
Q

Supinator Insertion

A

Lateral surface of the proximal radius

31
Q

Supinator Action

A

Forearm supination

32
Q

Supinator Innervation

A

Posterior Interosseous Nerve
(from radial nerve)

MAT (7 decks)

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