Plantar Surface of the Foot Flashcards Preview

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Flashcards in Plantar Surface of the Foot Deck (32)
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1
Q

Dorsal View of Foot

A
2
Q

Ventral View of Foot

A
3
Q

Deep Fascia of Foot

A

Thick central portion but weaker medially and laterally

4
Q

Plantar aponeurosis

A

Superficial ligament formed by central portion of the deep fascia

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

Vertical intermuscular septae: Medial, Central and Lateral compartments

5
Q

Compartments of the Foot

Muscles of the Dorsum of the Foot (Purple)

A

Extensor Digitorum Brevis

Extensor Hallucis Brevis

6
Q

Compartments of the Foot

Lateral Compartment (Orange)

A

Muscles of the little toe:

Abductor Digiti Minimi

Flexor Digiti Minimi Brevis

7
Q

Compartments of the Foot

Central Compartment (Green)

A

Flexor Digitorum Brevis

Muscles associated with tendon of FDL (lumbricals and quadratus plantae)

Adductor Hallucis

8
Q

Compartments of the Foot

Medial Compartment (Blue)

A

Muscles of the great toe:

Abductor Hallucis

Flexor Hallucis Brevis

9
Q

Compartments of the Foot

Interossei (Pink)

A

Plantar and Dorsal Interossei

10
Q

Foot - Layer 1

Abductor Hallucis (1)

A

Medial Tubercle of Calcaneus and flexor retinaculum to the medial base of the proximal phalynx

11
Q

Foot - Layer 1

Flexor Digitorum Brevis (2)

A

Medial tubercle of calcaneus to the middle phalanges of the lateral 4 toes

12
Q

Foot - Layer 1

Abductor Digiti Minimi (3)

A

Tubercle of Calcaneus to the lateral base of the proximal phalynx

13
Q

Foot - Layer 2

Long flexor tendons to the toes

A

FDL and FHL

14
Q

Foot - Layer 2

Lumbricals (*)

A

Tendons of FDL to the medial side of the dorsal tendon expansion

15
Q

Foot - Layer 2

Quadratus Plantae (QP)

A

Medial and lateral surfaces of calcaneus to the lateral side of the FDL tendon

16
Q

Foot - Layers 1 and 2

A
17
Q

Foot - Layer 3

Flexor Hallucis Brevis

A

Cuboid and Lateral Cuneiform to both sides of the base of the proximal phalanx

18
Q

Foot - Layer 3

Adductor Hallucis

A

Transverse head: Plantr ligament of MTP joints

Oblique head: Base metatarsals 2 and 4

Both go to the lateral side of the base of the proximal phalanx

19
Q

Foot - Layer 3

Flexor Digiti Minimi Brevis (*)

A

Base of the 5th Metatarsal to the base of the proximal phalanx

20
Q

Foot - Layer 4

Plantar Insterossei

A

3 of them

Bases and medial side of metatarsals 3-5 (unipennate) to the medial side of the proximal phalanx of 3rd-5th digit

PAD - Plantar ADuct

21
Q

Foot - Layer 4

Dorsal Interossei

A

4

Adjacent sides of metatarsals 1-5 (bipennate) to the 1st on medial side proximal phalanx of the 2nd digit and 2nd-4th on lateral side of proximal phalanx of 2nd-4th digits

DAB - Dorsal ABduct

22
Q

Foot - Layer 4

Tendons

A

Peroneus Longus (*)

Tibialis Posterior (TP)

23
Q

Foot - Layers 3 and 4

A
24
Q

Plantar Nerves

What are they?

A

Terminal branches of Tibial nerve, deep to the flexor retinaculum. They enter the foot deep to Abductor Hallucis.

25
Q

Plantar Nerves

Medial Plantar Nerve

A

Between Abductor Hallucis and FDB

26
Q

Plantar Nerves

Lateral Plantar Nerve

A

Between Layers 1 and 2. Deep and superficial branches. Deep branch between layers 3 and 4.

27
Q

Innervation of the Muscles of the Foot

Medial Plantar Nerve

A

Abuctor Hallucis

Flexor Digitorum Brevis

1st Lumbrical

Flexor Hallucis Brevis

S2, S3

28
Q

Innervation of the Muscles of the Foot

Lateral Plantar Nerve

A

Everything that the Medial Plantar Nerve does not innervate

S2, S3

29
Q

Cutaneous Innervation of the Foot

A
30
Q

Plantar Arteries

What are they?

A

Terminal branches of the Posterior Tibial artery deep to the flexor retinaculum. They enter the foot deep to Abductor Hallucis.

31
Q

Plantar Arteries

Medial Plantar Artery

A

Muscles of Hallux and overlying skin. Occasionally there is a Superficial plantar arch

32
Q

Plantar Arteries

Lateral Plantar Artery

A

Initially between layers 1 and 2.

Deep plantar arch between layers 3 adn 4. Deep plantar artery from dorsalis pedis.

Plantar metatarsal and digital artery.