Foot and Ankle Clinical Correlation Flashcards Preview

Systems: MSK AB > Foot and Ankle Clinical Correlation > Flashcards

Flashcards in Foot and Ankle Clinical Correlation Deck (19)
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1

What is the composition of the foot and ankle?

-28+ Bones
-33 Joints
-106 Ligaments
-20 Muscles

2

What can occur if accessory bones are present in the foot?

Frequent source of trouble as they can be destabilised by injury or sprain

3

What accessory bones are most troublesum?

-Os trigonum
-Accessory navicular

4

How do tarsal coalitions present?

Stiff hindfoot

5

What tarsal coalitions can occur?

-45% talocalcaneal
-45% calcaneonavicular
-10% other

6

When does ankle arthritis commonly occur?

Post-traumatic

7

What should be considered in ankle arthritis with no known trauma in the under 50s?

Haemochromatosis

8

What are the mean ages of ankle and hip arthritis?

-Ankle 46 years
-Hip 51 years

9

What is the Achilles tendon?

The thickest, strongest and longest tendon in the body

10

What is the Achilles tendon formed by?

-Gastrocnemius
-Soleus

11

How is the Achille's test examined?

-Thomson (Simmonds) test
-Matle's (angle of dangle)

12

What is a cavovarus foot?

A foot with an abnormally high arch and varus hind foot

13

What are the causes of carovarus foot?

Neurological
-Many causes

Congenital
-Club foot
-Idiopathic
-Familial

Post-traumatic

14

What is the pathogenesis of carovarus foot?

Clawing of toes
-Weakness of intrinsic muscles

Plunger effect by procimal phalanges
-Plantarflexion of MTs/ overaction of peroneus longus

Hindfoot varus
-Weakness of peroneus brevis

Equinus
-Weakness of tibialis anterior

Adduction of forefoot
-Overpull of tibilais posterior

15

Carovarus foot: What can clawing of toes lead to?

Plantar callosities and shoe problems

16

Carovarus foot: What can hindfoot varus lead to?

Ankle instability

17

Carovarus foot: What can equinus lead to?

Altered gait

18

Carovarus foot: What can adduction of the forefoot lead to?

Stress fractures of lateral metatarsals

19

What does the Coleman block test differentiate?

Differentiates between forefoot driven hindfoot varus and hindfoot driven varus