Upper Extremity - Supine View

Question 1

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Supine Upper Extremity

Answer 1

Biceps Brachii m. - Long head

Action:

• Supination of forearm
• Flexion of forearm
• Flexion of arm (weak)

Origin:

• Scapula (supraglenoid tubercle)

Insertion:

• Tendon: radius (tuberosity)
• Aponeurosis: deep fascia (proximal medial forearm)

Innervation:

• Musculocutaneous nerve

Anterior Brachium

Question 2

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Supine Upper Extremity

Answer 2

Biceps Brachii m. - Short head

Action:

• Supination of forearm
• Flexion of forearm
• Flexion of arm (weak)

Origin:

• Scapula (coracoid process)

Insertion:

• Tendon: radius (tuberosity)
• Aponeurosis: deep fascia (proximal medial forearm)

Innervation:

• Musculocutaneous nerve

Anterior Brachium

Question 3

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Supine Upper Extremity

Answer 3

Coracobrachialis m.

Action:

• Adduction of arm
• Flexion of arm

Origin:

• Scapula (coracoid process)

Insertion:

• Humerus (medial mid-shaft)

Innervation:

• Musculocutaneous nerve

Anterior Brachium

Question 4

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Supine Upper Extremity

Answer 4

Brachialis m.

Action:

• Flexion of forearm

Origin:

• Humerus (anterior distal shaft)

Insertion:

• Ulna (tuberosity)

Innervation:

• Musculocutaneous nerve

Anterior Brachium

Question 5

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Supine Upper Extremity

Answer 5

Brachioradialis m.

Posterior Forearm

Question 6

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Supine Upper Extremity

Answer 6

Extensor Carpi Radialis Longus m.

Posterior Forearm

Question 7

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Supine Upper Extremity

Answer 7

Extensor Carpi Radialis Brevis m.

Posterior Forearm

Question 8

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Supine Upper Extremity

Answer 8

Extensor Digitorum m.

Posterior Forearm

Question 9

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Supine Upper Extremity

Answer 9

Extensor Indicis m.

Posterior Forearm

Question 10

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Supine Upper Extremity

Answer 10

Extensor Digiti Minimi m.

Posterior Forearm

Question 11

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Supine Upper Extremity

Answer 11

Extensor Carpi Ulnaris m.

Posterior Forearm

Question 12

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Supine Upper Extremity

Answer 12

Supinator m.

Posterior Forearm

Question 13

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Supine Upper Extremity

Answer 13

Abductor Pollicis Longus m.

Posterior Forearm

Question 14

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Supine Upper Extremity

Answer 14

Extensor Pollicis Longus m.

Posterior Forearm

Question 15

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Supine Upper Extremity

Answer 15

Extensor Pollicis Brevis m.

Posterior Forearm

Question 16

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Supine Upper Extremity

Question 17

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Supine Upper Extremity

Question 18

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Supine Upper Extremity

Question 19

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Supine Upper Extremity

Question 20

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Supine Upper Extremity

Question 21

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Supine Upper Extremity

Question 22

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Supine Upper Extremity

Question 23

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Supine Upper Extremity

Question 24

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Supine Upper Extremity

Question 25

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Supine Upper Extremity