Anterior forearm and Cubital Fossa

Question 1

Bony landmarks of the radius

Answer 1

Proximal end
-Head
-neck
-radial tuberosity

Shaft
-interosseous border

distal end
-ulnar notch
-carpal articular surface
-styloid process
-dorsal tubercle

Question 2

Bony landmarks on the ulna

Answer 2

proximal end
-olecranon
-trochlear notch
-coronoid process
-radial notch
-ulnar tuberosity

shaft
-interosseous border

distal end
-styloid process
head

Question 3

what are the superficial muscles of anterior arm
(pro flex palm flex)

Answer 3

pronator teres
flexor carpi radialis
Palmaris longus
flexor carpi ulnaris

Question 4

pronator teres attachments and actions

Answer 4

from medial epicondyle and ulnar coronoid process
to
lateral aspect of radius

pronates and flexes arm

Question 5

what innervates pronator teres

Answer 5

median nerve

Question 6

flexor carpi radialis attachments and actions

Answer 6

from
medial epicondyle (common flexor origin)
to
palmar aspect of the base of the 2nd metacarpal

flexes and abducts hand at wrist (radial deviation)
assist in pronation of forearm and flexion of the elbow

Question 7

what innervates the flexor carpi radialis

Answer 7

median nerve

Question 8

Flexor carpi ulnaris attachments and action

Answer 8

from
medial epicondyle and proximal ulnar shaft
to
pisiform

flexes and adducts hand at wrist (ulnar deviation) and assists in flexion in of the elbow

Question 9

what innervates flexor carpi ulnaris (the exception on anterior forearm muscles)

Answer 9

ulnar nerve

Question 10

what muscle is in the intermediate layer of anterior forearm

Answer 10

flexor digitorum superficialis

Question 11

attachments and actions for flexor digitorum superficialis

Answer 11

from
medial epicondyle
to
sides of the middle phalanges of digits 2-5

flexion of digits and hand at wrist

Question 12

flexor digitorum superficialis innervation

Answer 12

median nerve

Question 13

what are the deep layer of muscles in the anterior compartment of the forearm

Answer 13

flexor digitorum profundus
flexor pollicis longus
pronator quadratus

Question 14

what is the innervation of flexor digitorum profundus

Answer 14

meidal and ulnar nerve
- digits 2-3 = medial nerve
-digits 4-5 = ulnar nerve

Question 15

attachments and action of flexor digitorum profundus

Answer 15

from
anterior proximal 2/3 of ulna and interosseous membrane
to
base of the distal phalanges of digits 2-5

flexion of digits 2-5 and flexion of hand at wrist

Question 16

attachment and actions for flexor pollicis longus

Answer 16

from
anterior surface of radius and interosssesous membrane
to
base of distal phalanx of the thumb

flex thumb

Question 17

pronator quadratus actions and attachments

Answer 17

from
anterior surface of the distal ulna
to
anterior surface of distal radius

pronates forearm

Question 18

what innervates pronator quadratus

Answer 18

median nerve

Question 19

what innervate flexor pollicis longus

Answer 19

median nerve

Question 20

what are the joints of the elbow

Answer 20

humeroulnar
humeroradial
proximal radio ulnar

Question 21

what type of joint is humeroulnar

Answer 21

hinge/ginglymus

Question 22

what type of joint is humeroradial

Answer 22

plane or gliding

Question 23

what type of joint is proximal radio ulnar

Answer 23

pivot or trochoid

Question 24

what are the ligaments of the elbow and forearm

Answer 24

ulnar collateral
radial collateral
anular
interosseous membrane

Question 25

this elbow ligament resists excessive cubital valgus

Answer 25

ulnar collateral

Question 26

this elbow ligament resist cubital varus excessive force

Answer 26

radial collateral

Question 27

this elbow ligament stabilizes the proximal radioulnar joint

Answer 27

anular

Question 28

where does ulnar collateral ligament attach

Answer 28

from medial epicondyle to medial margin of coronoid process & olecranon process

Question 29

where does radial collateral ligament attach too

Answer 29

from lateral epicondyle to anular ligament

Question 30

anular ligament attachments

Answer 30

from anterior margin of radial notch to posterior margin of radial notch surrounding head of radius

Question 31

interosseous membrane attachments

Answer 31

from interosseous border of radius to interosseous border of ulna

Question 32

where is the olecranon brusae

Answer 32

between olecranon process of ulna and the overlying skin

Question 33

where is the subtendinous olecranon bursa

Answer 33

between triceps tendon and the olecranon

Question 34

Where is the intratendinous olecranon bursa

Answer 34

found within the triceps tendon over the olecranon

Question 35

general actions of anterior compartment of forearm

Answer 35

flexion of wrist and finger pronation of forearm

Question 36

primary innervation of anterior compartment with exceptions

Answer 36

median nerve except flexor carpi ulnaris --> ulnar nerve medial half of flexor digitorum profundus --> ulnar nerve

Question 37

what is the blood supply for anterior compartment

Answer 37

primarily from ulnar artery except contributions from radial artery (especially superficial muscles)

Question 38

predict what neurovascular structures would be injured based on bone fracture located at the medial epicondyle of the humerus

Answer 38

ulnar nerve median nerve brachial artery

Question 39

what spinal segment is with deltoid tuberosity and lateral part of forearm

Answer 39

C5

Question 40

what spinal segment is with the anterolateral part of forearm and thumb

Answer 40

C6

Question 41

what spinal segment is with index finger and some of the hand between thumb and ring finger

Answer 41

C7

Question 42

what spinal segment is with pinky and anterior medial part of palm

Answer 42

C8

Question 43

What spinal segment is with medial aspect of forearm just below medial epicondyle

Answer 43

T1