Week 3 Lecture 5 Superficial Muscles

Question 1

What are the superficial Muscles from the posterior side?

Answer 1

Brachioradialis, extensor carpi radialis longus, extensor carpi radialis brevis, extensor digitorum, extensor carpi ulnaris

Question 2

What is instrinsic muscles?

Answer 2

Muscles of the hand

Question 3

Do the reposition movement of the thumb

Answer 3

.

Question 4

What are the deep posterior muscles?

Answer 4

Supinator, Abductor pollicis longus, Extensor pollicis longus, Extensor pollicis brevis, extensor indicis

Question 5

Brachioradialis Orgin

Answer 5

lateral supracondylar ridge of humerus

Question 6

Brachioradialis insertion

Answer 6

Lateral surface of distal end of radius

Question 7

Brachioradialis Action

Answer 7

Flexes the forearm

Question 8

Brachioradialis Innervation

Answer 8

Radial Nerve

Question 9

Extensor Carpi Radialis Longus (Superficial) Origin

Answer 9

Lateral supracondyle ridge of humerus

Question 10

Extensor Carpi Radialis Longus (Superficial) Insertio

Answer 10

Base of 2nd metacarpal

Question 11

Extensor Carpi Radialis Longus (Superficial) Action

Answer 11

Extends and abducts (radial deviation) hand at wrist joint

Question 12

Extensor Carpi Radialis Longus (Superficial) Innervati

Answer 12

Radial Nerve

Question 13

Extensor Carpi Radialis Brevis (Superficial) Origin

Answer 13

Lateral epicondyle of humerus

Question 14

Extensor Carpi Radialis Brevis (Superficial) Insertion

Answer 14

Base of 3rd metacarpal

Question 15

Extensor Carpi Radialis Brevis (Superficial) Action

Answer 15

Extends and abducts (radial deviation) hand at the wrist joint

Question 16

Extensor Carpi Radialis Brevis (Superficial) Innervation

Answer 16

Radial Nerve

Question 17

Extensor Digitorum (Superficial) Origin

Answer 17

Lateral epicondyle of humerus

Question 18

Extensor Digitorum (Superficial) Insertion

Answer 18

Extensor expansions of medial four digits

Question 19

Extensor Digitorum (Superficial) Action

Answer 19

Extends the medial 4 fingers at the metacarpophalangeal joints and extends hand at the wrist joint

Question 20

Extensor Digitorum (Superficial) Innervation

Answer 20

Radial Nerve

Question 21

Extensor Carpi Ulnaris (Superficial) Origin

Answer 21

Lateral Epicondyle of humerus and posterior border of ulna

Question 22

Extensor Carpi of Ulnaris (Superficial) Insertion

Answer 22

Base of 5th metacarpal

Question 23

Extensor Carpi Ulnaris (Superficial) Action

Answer 23

Extends and adducts (ulnar deviation) hand at the wrist joint

Question 24

Extensor Carpi Ulnaris (Superficial) Innervation

Answer 24

Radial Nerve (OMG REMEMBER THIS BECAUSE THE FLEXOR CARPI