First layer of plantar foot Flashcards Preview

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Flashcards in First layer of plantar foot Deck (17):
1

Muscles of first layer of plantar foot

Abductor hallucis
Flexor digitorum brevis
Abductor digiti minimi

2

Origin of abductor hallucis

Medial tubercle of calcaneus
Flexor retinaculum
Plantar aponeurosis

3

Insertion of abductor hallucis

Medial base of proximal phalanx of big toe

4

Action of abductor hallucis

Abduction and Flexion of big toe

5

Innervation of abductor hallucis

Medial plantar nerve

6

Origin of flexor digitorum brevis

Medial tubercle of calcaneus
Plantar aponeurosis

7

Insertion of flexor digitorum brevis

Middle phalanges of lateral 4 toes

8

Action of flexor digitorum brevis

Flexion of lateral 4 toes at PIP joints

9

Innervation of flexor digitorum brevis

Medial plantar nerve

10

Origin of abductor digiti minimi

Medial and lateral tubercles of calcaneus
Plantar aponeurosis

11

Insertion of abductor digiti minimi

Lateral base of proximal phalanx of little toe

12

Action of abductor digiti minimi

Abducts and flexes little toe

13

Innervation of abductor digiti minimi

Lateral plantar nerve

14

What is medial plantar nerve entrapment

Compression of medial plantar nerve as it passes deep to abductor hallucis

15

Where is the first layer of plantar foot

Most superficial to sole
Immediately underneath plantar fascia

16

Common cause of medial plantar nerve entrapment

Repetitive eversion of foot e.g gymnastics

17

Symptoms of medial plantar nerve entrapment

Pain, numbness and paraesthesia on medial side of sole of foot

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