Plantar surface of the foot

Question 1

Deep fascia

Answer 1

Thick central portion

weaker medially and laterally

Question 2

Plantar Aponeurosis

Answer 2

Superficial Ligament formed by central portion of deep fascia

Proximal attachment to calcanues
Divides into 5 bands distally - continuous with fibrous digital sheaths

Vertical intermuscular septae:
Medial, Central and Lateral compartment

Question 3

Muscle of Dorsum of Foot

Answer 3

Extensor digitorum brevis

Extensor Hallucis Brevis

Question 4

Lateral compartment of foot

Answer 4

Muscle of the little toe:
Abductor digiti minimi
Flexor digiti minimi brevis

Question 5

Central compartment of foot

Answer 5

Flexor Digitorum Brevis
Muscles associated with tendon of FDL
(lumbricals abd quadratus plantae)
Adductor Hallucis

Question 6

Medial Compartment of foot

Answer 6

Muscles of the great toe:
Abductor Hallucis
Flexor Hallucis Brevis

Question 7

Interossei

Answer 7

Plantar and Dorsal interossei

Question 8

Abductor Hallucis

Answer 8

Abductor Hallucis (1)
Medial Tubercle of Calcaneus; Flex. Retinaculum
→ Med. Base proximal Phalanx

Question 9

Flexor Digitorum Brevis

Answer 9

Medial Tubercle of Calcaneus

→ Middle Phalanges of lateral 4 toes

Question 10

Abductor Digiti Minimi

Answer 10

Med. and Lat. Tubercle of Calcaneus

→ Lat. Base proximal Phalanx

Question 11

Lumbricals

Answer 11

Tendons of FDL

→ Med. side of dorsal tendon expansion

Question 12

Quadratus Plantae

Answer 12

Med. and Lat. surfaces of Calcaneus

→ Lateral side of FDL tendon

Question 13

Flexor Hallucis Brevis

Answer 13

Cuboid and Lat. Cuneiform

→ Both sides base Proximal Phalanx of Hallux

Question 14

Adductor Hallucis

Answer 14

Transverse head : plantar ligament of MTP joints

Oblique head: base metatarsals 2-4

Question 15

Flexor Digiti Minimi Brevis

Answer 15

Base of 5th metatarsal > Base proximal phalanx of 5th digit

Question 16

3x Plantar Interossei

Answer 16

Base and Med. side of Metatarsals 3-5 (unipennate)
>Med. side of proximal phalanx of 3rd - 5th digit

PAD- Plantar ADduct

Question 17

4 x Dorsal Interossei

Answer 17

Adjacent sides of Metatarsals 1-5 (bipennate)
→ 1st on med. side proximal phalanx of 2nd digit
→2nd-4th on lat. side proximal phalanx of 2nd -4th digits
DAB – Dorsal ABduct

Question 18

Where is the terminal branch of Tibial nerve

Answer 18

Deep to flexor retinaculum, enters foot deep to abductor hallucis

Question 19

Where is the medial plantar nerve ?

Answer 19

Between abductor hallucis and FDB

Question 20

Lateral plantar nerve

Answer 20

Between layers 1&2
Deep and Superficial branches
Deep branches between Layers 3 &4

Question 21

what does the medial plantar nerve innervate?

Answer 21

Abductor Hallucis
Flexor digitorum brevis
1st Lumbrical
Flexor hallucis brevis

Question 22

what does the Lateral plantar Nerve innervate?

Answer 22

All other muscles

S2,3

Question 23

Where are the terminal branches of posterior tibial artery ?

Answer 23

Deep to flexor retinaculum

Question 24

Medial Plantar artery

Answer 24

Muscles of hallux and overlying skin

Occassionally: Superficial Plantar Arch

Question 25

Lateral Plantar artery

Answer 25

Initially btwn Layers 1 and 2

Deep Plantar Arch btwn Layers 3 and 4
Deep Plantar a. from Dorsalis Pedis

Plantar Metatarsal and Digital aa.