Manual 130-131: Variations at DMU

Question 1

origin of intermediate dorsal cutaneous nerve.

Answer 1

sural nerve 27%

superficial fibular 73%

Question 2

origin of dorsalis pedis artery

Answer 2

anterior tibial 95%

perforating peroneal 5%

Question 3

number of extensor digitorum brevis tendons

Answer 3

two 4%
three 17%
four 63%
five 16%

Question 4

present or absent: extensor digitorum brevis tendon to the 5th digit

Answer 4

present 17%

absent 83%

Question 5

present or absent: flexor digitorum brevis tendon to the 5th digit

Answer 5

present 36%

absent 64%

Question 6

present or absent: abductor os metatarsu digiti minimi muscle

Answer 6

present 47%

absent 53%

Question 7

present or absent: peroneus tertius muscle

Answer 7

present 92%

absent 8%

Question 8

present or absent: peroneus quartus muscle

Answer 8

present 3%

absent 97%

Question 9

origin of medial calcaneal artery

Answer 9

lateral plantar artery 28%

posterior tibial artery 72%

Question 10

number of lumbricals present

Answer 10

none 3%
one 3%
two 11%
three 28%
four 55%

Question 11

origin of artery to dorsal lateral aspect of the 5th digit

Answer 11

arcuate artery 19%

fourth metatarsal artery 81%

Question 12

accessory FDL tendon inserting into head of 5th metatarsal

Answer 12

inserting into 23%

not inserting into 77%

Question 13

present or absent: arcuate artery

Answer 13

present 64%

absent 36%