Lab Exam 2

Question 1

What are the muscles of the Elbow & Wrist?

Answer 1

Biceps Brachii, Brachialis, Brachioradialis, Triceps Brachii, Pronator Teres, Supinator, Flexor Carpi Radialis, Flexor Carpi Ulnars, Extensor Carpi Radialis Longus & Extensor Carpi Radialis Brevis, and Extensor Carpi Ulnaris

Question 2

Which muscles are the wrist flexors?

Answer 2

Flexor Carpi Radialis and Flexor Carpi Ulnars

Question 3

Which muscles are the wrist extensors?

Answer 3

Extensor Carpi Radialis Longus & Extensor Carpi Radialis Brevis, and Extensor Carpi Ulnaris

Question 4

What are the muscles of the torso?

Answer 4

Diaphragm, External Intercostals, Internal Intercostals, Erector Spinae, Rectus Abdominis, Internal Obliques, External Obliques, and Transversus Abdominis

Question 5

What is the origin of the Bicep Branchii?

Answer 5

Coracoid process & supraglenoid tubercle

Question 6

What is the insertion of the Bicep Branchii?

Answer 6

Radial tuberosity of radius

Question 7

What is the action of the Bicep Branchii?

Answer 7

Flexes elbow (when supinated), flexes shoulder, supinates radioulnar joint

Question 8

What is the origin of the Brachialis?

Answer 8

Anterior-medial shaft of humerus

Question 9

What is the insertion of the Brachialis?

Answer 9

Coronoid process of ulna

Question 10

What is the action of the Brachialis?

Answer 10

Flexes elbow (when pronated)

Question 11

What is the origin of the Brachioradialis?

Answer 11

Lateral epicondyle of humerus

Question 12

What is the insertion of the Brachioradialis?

Answer 12

Distal radius

Question 13

What is the action of the Brachioradialis?

Answer 13

Flexes elbow (when neutral)

Question 14

What is the origin of the Tricep Branchii?

Answer 14

Infraglenoid tubercle, posterior humerus

Question 15

What is the insertion of the Tricep Branchi?

Answer 15

Olcecranon process of ulna

Question 16

What is the action of the Tricep Branchi?

Answer 16

Extends elbow & shoulder

Question 17

What is the origin of the Pronator Teres?

Answer 17

Medial epicondyle of humerus

Question 18

What is the insertion of the Pronator Teres?

Answer 18

Proximal 1/3 Radius

Question 19

What is the action of the Pronator Teres?

Answer 19

Pronates radioulnar joint

Question 20

What is the origin Supinator?

Answer 20

Lateral epicondyle of humerus

Question 21

What is the insertion Supinator?

Answer 21

Proximal 1/3 Radius

Question 22

What is the action Supinator?

Answer 22

Supinates radioulnar joint

Question 23

What is the origin of Flexor Carpi Radialis & Flexor Carpi Ulnaris?

Answer 23

Medial epicondyle of humerus

Question 24

What is the insertion of Flexor Carpi Radialis?

Answer 24

Antertior lateral hand

Question 25

What is the action of Flexor Carpi Radialis?

Answer 25

Flexes wrist, radial deviation

Question 26

What is the insertion of Flexor Carpi Ulnaris?

Answer 26

Anterior medial hand

Question 27

What is the action of Flexor Carpi Ulnaris?

Answer 27

Flexes wrist, ulnar deviation

Question 28

What is the origin of the Extensor Carpi Radialis Longus & Extensor Carpi Radialis Brevis and Extensor Carpi Ulnaris?

Answer 28

Lateral Epicondyle of humerus

Question 29

What is the insertion of the Extensor Carpi Radialis Longus & Extensor Carpi Radialis Brevis?

Answer 29

Posterior lateral hand

Question 30

What is the action of the Extensor Carpi Radialis Longus & Extensor Carpi Radialis Brevis?

Answer 30

Extends wrist & radial deviation

Question 31

What is the insertion of the Extensor Carpi Ulnaris?

Answer 31

Posterior medial hand

Question 32

What is the action of the Extensor Carpi Ulnaris?

Answer 32

Extends wrist & ulnar deviation

Question 33

What is the origin of the Diaphragm?

Answer 33

Xiphoid process, lower 6 ribs, L1-L4 vertebrae

Question 34

What is the insertion of the Diaphragm?

Answer 34

Central Tendon

Question 35

What is the action of the Diaphragm?

Answer 35

Inspiration

Question 36

What is the origin of the External Intercostals?

Answer 36

Superior rib

Question 37

What is the insertion of the External Intercostals?

Answer 37

Inferior rib

Question 38

What is the action of the External Intercostals?

Answer 38

Elevates rib

Question 39

What is the origin of the Internal Intercostals?

Answer 39

Inferior rib

Question 40

What is the insertion of the Internal Intercostals?

Answer 40

Superior Rib

Question 41

What is the action of the Internal Intercostals?

Answer 41

Depresses Rib

Question 42

Erector Spinae has no what?

Answer 42

Origin or Insertion

Question 43

What is the action of the Erector Spinae

Answer 43

Trunk Extension

Question 44

What is the origin of the Rectus Abdominis?

Answer 44

Pubic bone & pubic Symphysis

Question 45

What is the insertion of the Rectus Abdominis?

Answer 45

Xiphoid Process; coastal cartilage of ribs 5-7

Question 46

What is the action of the Rectus Abdominis?

Answer 46

Flexes trunk; assists in forced expiration

Question 47

What is the origin of the Internal Obliques?

Answer 47

Lumbar fascia, iliac crest, & inguinal ligament

Question 48

What is the insertion of the Internal Obliques?

Answer 48

Linea alba & ribs 9-12

Question 49

What is the action of the Internal Obliques?

Answer 49

Laterally flexes trunk, rotates to the samr side, assists in forced expiration

Question 50

What is the origin of External Obliques?

Answer 50

Ribs 5-12

Question 51

What is the insertion of External Obliques & Transversus Abdominis?

Answer 51

Linea alba

Question 52

What is the action of External Obliques?

Answer 52

Laterally flexes trunk, rotates to the opposite side, assists in forced expiration

Question 53

What is the origin of Tranversus Abdominis?

Answer 53

Lumbar Fascia

Question 54

What is the action of Tranversus Abdominis?

Answer 54

Assists in forced expiration