ASIA sensory

Question 1

C2

Answer 1

At least one cm lateral to the occipital protuberance at the base of the skull

Alternately, it can be located at least 3 cm behind the ear

Question 2

C4

Answer 2

Over the acromioclavicular joint

Question 2

C3

Answer 2

In the supraclavicular fossa, at the midclavicular line

Question 3

C5

Answer 3

On the lateral (radial) side of the antecubital fossa just proximal to the elbow

Question 3

C6

Answer 3

On the dorsal surface of the proximal phalanx of the thumb

Question 4

C7

Answer 4

On the dorsal surface of the proximal phalanx of the middle finger

Question 5

C8

Answer 5

On the dorsal surface of the proximal phalanx of the little finger

Question 6

T2

Answer 6

At the apex of the axilla

Question 6

T4

Answer 6

At the midclavicular line and the fourth intercostal space, located at the level of the nipples

Question 6

T3

Answer 6

At the midclavicular line and the third intercostal space, found by palpating the anterior chest to locate the third rib and the corresponding third intercostal space below it.

Question 6

T1

Answer 6

On the medial (ulnar) side of the antecubital fossa, just proximal to the medial epicondyle of the humerus

Question 7

T5

Answer 7

At the midclavicular line and the fifth
intercostal space, located midway
between the level of the nipples and the level of the xiphisternum

Question 8

T6

Answer 8

At the midclavicular line, located at the level of the xiphisternum

Question 9

T7

Answer 9

At the midclavicular line, one quarter the distance between the level of the xiphisternum and the level of the umbilicus

Question 10

T8

Answer 10

At the midclavicular line, one half the
distance between the level of the xiphisternum and the level of the
umbilicus

Question 11

T9

Answer 11

At the midclavicular line, three quarters of the distance between the level of the xiphisternum and the level of the umbilicus

Question 12

T10

Answer 12

At the midclavicular line, located at the level of the umbilicus

Question 13

T11

Answer 13

At the midclavicular line, midway
between the level of the umbilicus and the inguinal ligament

Question 14

T12

Answer 14

At the midclavicular line, over the midpoint of the inguinal ligament

Question 15

L1

Answer 15

Midway between the key sensory points for T12 and L2

Question 16

L2

Answer 16

On the anterior-medial thigh, at the midpoint drawn on an imaginary line connecting the midpoint of the inguinal ligament and the medial femoral condyle

Question 17

L3

Answer 17

At the medial femoral condyle above the knee

Question 18

L4

Answer 18

Over the medial malleolus

Question 19

L5

Answer 19

On the dorsum of the foot at the third metatarsal phalangeal joint

Question 20

S1

Answer 20

On the lateral aspect of the calcaneus

Question 21

S2

Answer 21

At the midpoint of the popliteal fossa

Question 22

S3

Answer 22

Over the ischial tuberosity or infragluteal fold (depending on the patient their skin can move up, down or laterally over
the ischii)

Question 23

S4/5

Answer 23

In the perianal area, less than one cm. lateral to the mucocutaneous junction