Muscles E-F (Forearm and Hand)

Question 1

Pronator Teres (Origin and Insertion)

Answer 1

Common origin - common flexor tendon from the medial epicondyle

Radius - mid-shaft

Pronates the hand

Question 2

Flexor Carpi Radialis

Answer 2

Flexion and abduction of the hand

Question 3

Palmaris Longus (Insertion)

Answer 3

Flexor Retinaculum and Palmar Aponeurosis

Weak Flexion of the hand

Question 4

Flexor Carpi Ulnaris (Insertion)

Answer 4

Pisiform Bone

Flexion and adduction of hand

Question 5

Flexor Digitorum Superficialis (Insertion)

Answer 5

Middle of the intermediate phalange of all 4 fingers (complex)

Flexion of the intermediate phalange of all 4 fingers

Question 6

Flexor Digitorum Profundus (Insertion)

Answer 6

Base of the terminal phalange of all 4 fingers

Flexes terminal phalange of 4 fingers

Question 7

Flexor Pollicis Longus (Insertion)

Answer 7

Base of the distal phalange of thumb

Flexes Distal phalange

Question 8

Pronator Quadratus

Answer 8

Pronates the hand

Question 9

Extensor Carpi Radialis Longus (Origin)

Answer 9

Common Origin - common extensor tendon from the lateral epicondyle

Extension and abduction of the hand

Question 10

Extensor Carpi Radialis Brevis

Answer 10

Extension and abduction of hand

Question 11

Extensor Digitorum (Insertion)

Answer 11

Intermediate and distal phalanges via the dorsal expansion (hood)

Extends the phalanges of 4 fingers

Question 12

Extensor Digiti Minimi

Answer 12

Extends little finger

Question 13

Extensor Carpi Ulnaris

Answer 13

Extension and adduction of hand

Question 14

Brachioradialis

Answer 14

Flexion of Forearm

Question 15

Supinator

Answer 15

Supinates hand

Question 16

Abductor Pollicis Longus

Answer 16

Abducts thumb

Question 17

Extensor Pollicis Brevis

Answer 17

Extends proximal phalanx

Question 18

Extensor Pollicis Longus

Answer 18

Extends terminal phalanx

Question 19

Extensor Indicis

Answer 19

Extends index finger

Question 20

Thenar Muscles

Answer 20

1. Abductor Pollicis Brevis
2. Flexor Pollicis Brevis
3. Opponens Pollicis
4. Adductor Pollicis

Question 21

Hypothenar Muscles

Answer 21

1. Abductor Digiti Minimi
2. Flexor Digiti Minimi
3. Opponens Digiti Minimi

Question 22

Lumbricals - 4 (Origin and Insertion)

Answer 22

Tendon of flexor digitorum profundus

On radial (Lateral) side of the dorsum of the finger into aponeurotic extension of the extensor digitorum tendon (dorsal expansion)

Flex Proximal Phalange at the metacarpophalangeal joint of 4 fingers (plus)

Question 23

Palmar Interossei - 3 (Origin and Insertion)

Answer 23

Metacarpal

Dorsal Expansion (medial or lateral side)

Palmars Adduct (PAD)

Question 24

Dorsal Interossei - 4 (Origin and Insertion)

Answer 24

Two heads from adjacent metacarpals

Dorsal expansion (medial or lateral side)

Dorsals Abduct (DAB)

Question 25

Anterior Flexor Compartment - Superficial Group

Answer 25

* Pronator Teres * Flexor Carpi Radialis * Palmaris Longus * Flexor Digitorum Superficialis * Flexor Carpi Ulnaris

Question 26

Anterior Flexor Compartment - Deep Group

Answer 26

* Flexor Digitorum Profundus * Flexor Pollicis Longus * Pronator Quadratus

Question 27

Posterior Extensor Compartment - Superficial

Answer 27

``` BrachioradialisExtensor Carpi Radialis Longus Extensor Carpi Radialis Brevis Extensor Digitorum Extensor Digiti Minimi Extensor Carpi Ulnaris ```

Question 28

Posterior Extensor Group - Deep

Answer 28

* Supinator * Abductor Pollicis Longus * Extensor Pollicis Brevis * Extensor Pollicis Longus * Extensor Indicis

Question 29

Intermediate Muscles

Answer 29

* Lumbricals * Palmar Interossei * Dorsal Interossei

Question 30

What Structures pass through the Carpal Tunnel?

Answer 30

1. Palmaris Longus 2. Flexor Digitorum Superficialis 3. Flexor Digitorum Profundus 4. Median Nerve * Total of 9 tendons and 1 nerve

Question 31

Landmarks of the Exterior of the Palm

Answer 31

1. Hypothenar Eminence 2. Thenar Eminence 3. Radial Longitudinal Crease of Palm 4. Proximal Transverse Crease of Palm 5. Distal Transverse Crease of Palm 6. Distal Transverse Crease of Wrist

Question 32

Name of the Covering of the Palmar aspect of the fingers

Answer 32

Fibrous Digital Sheath

Question 33

Tendosynovitis

Answer 33

Inflammation of the Synovial Membrane of the Fibrous Digital Sheath