The Foot

Question 1

With which bone does the tibia articulate?

Answer 1

Talus

Question 2

Plantar side of foot has

Answer 2

Plantar aponeurosis

Question 3

Muscles of dorsum of foot

Answer 3

Extensor digitorum brevis

Extensor hallucis brevis

Question 4

Extensor digitorum brevis and innervation

Answer 4

Aids in extending medial 4 toes

Deep fibular nerve

Question 5

Extensor hallucis brevis

Answer 5

portion of the EDB going to the big toe

Deep fibular nerve

Question 6

Muscles of plantar surface of the foot actions innervation and blood supply

Answer 6

Maintain arches of foot and position big toe
Medial and lateral plantar nerve (from tibial nerve)
Medial and lateral plantar arteries (from posterior tibial artery)

Question 7

Plantar aponeurosis encloses tendons of

Answer 7

FDL and FDB

Question 8

Plantar aponeurosis helps to maintain the _____ arch

Answer 8

Longitudinal

Question 9

Plantar fasciitis

Answer 9

Excessive wear to the plantar fascia

Most often on the heal

Question 10

1st muscule later of the plantar surface of the foot muscles and function

Answer 10

Maintain arches
Abductor hallucis
Flexor digitorum brevis
Abductor digiti minimi

Question 11

Abductor hallucis function and innervation

Answer 11

Abducts great toe

Medial plantar nerve

Question 12

Flexor digitorum brevis function and innervation

Answer 12

Flexes lateral 4 toes

Medial plantar nerve

Question 13

Abductor digiti minimi function and innervation

Answer 13

Abducts little toe

Lateral plantar nerve

Question 14

2nd muscular layer tendon attachments and muscles

Answer 14

Attach to tendons of flexor digitorum longus
FHL tendon found here
Quadratus plantae
Lumbricals

Question 15

Quadratus plantae function and innervation

Answer 15

Helps flex lateral 4 toes

Lateral plantar nerve

Question 16

Lumbricals function and innervation

Answer 16

Flex proximal phalanges and extend middle and distal of lateral 4 toes
Medial innervated by medial plantar
Lateral 3 innervation by lateral plantar

Question 17

3rd muscular layer of plantar side of foot

Answer 17

Flexor hallucis brevis
Adductor hallucis
Flexor digiti minimi brevis

Question 18

Flexor hallucis brevis function and innervation

Answer 18

Flexes proximal phalanx of great toe

Medial plantar nerve

Question 19

Adductor hallucis function and innervation

Answer 19

Adducts great toe
Assists in maintaining transverse arch of foot
Lateral plantar nerve
Most active during push-off

Question 20

Flexor digiti minimi brevis

Answer 20

Flexes proximal phalanx of 5th toe

Lateral plantar

Question 21

4th muscular layer

Answer 21

3 platnar interossei and 4 dorsal interossei

Question 22

3 plantar interossei function and innervation

Answer 22

Adduct the toes

Lateral plantar

Question 23

4 dorsal interossei function and innervation

Answer 23

Abduct the toes

Lateral plantar

Question 24

Ankle joint is _____ joint and weakest in ______

Answer 24

Hinge joint

Plantarflexion

Question 25

Ankle joint movements

Answer 25

Dorsiflexion and plantarflexion

Question 26

Ankle joint articulation

Answer 26

Talus with tibia and fibula

Question 27

Key ligaments of ankle joint

Answer 27

Deltoid (medial ligament) | Anterior talofibular ligament (Lateral)

Question 28

MCL injuries of the ankle

Answer 28

Potts-fracture Foot is forcibly everted Tears medial malleolus or breaks fibula

Question 29

Lateral collateral injuries of the ankle

Answer 29

Weaker than medial Inversion injuries Anterior talofibular is most commonly sprained ligament Shearing of the lateral malleolus

Question 30

Longitudinal arch maintained by

Answer 30

Bones, strong plantar ligaments, plantar aponeurosis

Question 31

Spring ligament and what it does

Answer 31

Plantar calcaneonavicular ligament | Helps support longitudinal arch of the foot

Question 32

Transverse arch maintained by

Answer 32

Strong plantar ligaments, bones, plantar aponeurosis, and tnedons of muscles

Question 33

Two types of pes planus

Answer 33

Rigid (children) | Rigid (adult)

Question 34

Fallen arches are a result of which muscle

Answer 34

Tibialis posterio

Question 35

Tibial nerve

Answer 35

Runs posterior to medial malleoulus and divides into laterla and medial plantar nerves

Question 36

Medial plantar nerve innervations of the foot

Answer 36

Abductor hallucis Flexor digitorum brevis Flexor hallucis brevis First (medial) lumbrical

Question 37

Lateral plantar nerve innervation of the foot

Answer 37

All other intrinsic foot muscles besides extensor digitorum brevisd

Question 38

Jogger's foot

Answer 38

Entrapment of the medial plantar nerve | Tingling on the medial side of the plantar surface

Question 39

Anterior tibial artery becomes

Answer 39

Dorsal artery of the foot

Question 40

Arcurate artery runs

Answer 40

Across metatarsal-phylangeo joints

Question 41

Lymphatic drainage of lower limb

Answer 41

Inguinal lymph nodes that can be palpated