Topic 7 attachment sites

Question 1

tibialis anterior

Answer 1

prox - lateral proximal 2/3 of the tibia and adjacent interosseous membrane

distal - plantar surface of the medial cuneiform and base of metatarsal 2

dorsiflexion, inversion

deep peroneal nerve

Question 2

extensor hallucis longus

Answer 2

prox - middle 1/2 of anterior fibula and adjacent interosseous membrane

dist - dorsal surface of base of distal phalanx of digit 1.

dorsiflexion
deep peroneal nerve

Question 3

extensor digitorum longus

Answer 3

prox - proximal 2/3 of anterior fibula and the adjacent interosseous membrane as well as lateral condyle of tibia.

dist - bases of middle and distal phalanges of digits 2-5 via dorsal digital expansion (extensor aponeurosis/hood).

action - lateral four toes at metatarsophalangeal joint.

deep peroneal nerve

Question 4

peroneus tertius

Answer 4

prox - anterior distal 1/4 of fibula and adjacent interosseous membrane

dist - dorsal surface of base of metatarsal 5.

dorsiflexion

deep fibula nerve

Question 5

peroneus longus

Answer 5

prox - lateral surface proximal 2/3 and head of fibula

dist - medial cuneiform and base of 1 metatarsal 1.

eversion and plantarflexion

superior peroneus nerve

Question 6

peroneus brevis

Answer 6

prox - lateral surface distal 2/3 of fibula.

dist - tuberosity on base of metatarsal 5.

Question 7

gastrocnemius

Answer 7

prox - posterior aspect of the medial and lateral femoral condyles and capsule of the knee joint

dist - posterior calcaneous via tendocalcaneous

Question 8

soleus

Answer 8

prox - soleal line and posterior surface of tibia as well as posterior surface upper third of fibula.

dist - posterior calcaneus via tendocalcaneous.

Question 9

plantaris

Answer 9

prox - lateral supracondylar ridge of the femur and knee joint capsule

dist - posterior calcaneus

Question 10

popliteus

Answer 10

lateral condyle of the femur, lateral miniscus of the knee.

posterior tibia above the soleal line.

Question 11

tibialis posterior

Answer 11

proximal 1/2 the posterior tibia below the soleal line, proximal 2/3 of the fibula and the adjacent interosseous membrane.

tubercle of the navicular, tendinous expansions connect to all tarsal bones (except talus) ad the bases of the middle three metatarsals.

Question 12

flexor digitorum longus

Answer 12

proximal 1/2 of the medial tibia below the soleal line.

plantar surface of the base of the distal phalanx of digits 2-5.

Question 13

flexor hallucis longus

Answer 13

lower 2/3 of the posterior fibula

plantar surface of the base of the distal phalanx of digit 1.

Question 14

extensor digitorum brevis

Answer 14

upper surface of the calcaneus

dorsal digital expansion digits 2-4.

Question 15

extensor hallucis brevis

Answer 15

upper surface of the calcaneus

plantar surface of the base of middle phalanx digits 2-5

Question 16

abductor hallucis

Answer 16

medial tubercle of the calcaneus

medial aspect of the base of the proximal phalanx of digit 1 (with FHB).

Question 17

abductor digit minimi

Answer 17

medial and lateral tubercles of the calcaneus

lateral aspect base of proximal phalanx digit 5.

Question 18

flexor accesorius (quadratus plantae)

Answer 18

medial and lateral tubercles of the calcaneus

tendon of FDL.

Question 19

lumbricals

Answer 19

adjacent sides of the tendon of FDL

base of proximal phalanx via dorsal digital expansion of digit 2-5

Question 20

flexor hallucis brevis

Answer 20

plantar surface of the cuboid and adjacent lateral cuneiform

medial and lateral aspects of the base of the proximal phalanx of digit 1.

Question 21

adductor hallucis

Answer 21

oblique head from bases of metatarsals 2,3,4 and transverse head from plantar surface of MTP joints 3,4,5.

lateral aspect of the base of the proximal phalanx of digit 1 (with FHB).

Question 22

flexor digiti minimi brevis

Answer 22

plantar surface of the base of metatarsal 5

plantar surface of the proximal phalanx digit 5.

Question 23

dorsal interossei

Answer 23

proximal half of adjacent metatarsals

side of the proximal phalanx of digits 2,3,4.

Question 24

plantar interossei

Answer 24

base and proximal half of the shaft of metatarsals

base of proximal phalanx digits 3,4,5.