Ankle / Foot Complex and three main axis

Question 1

what type of joint is ankle

Answer 1

hinge

Question 2

Where is it?

Answer 2

at lower end of tibia and fibula and upper end of talus.

Question 3

Why is it stable?

Answer 3

due to bony configuration of ankle mortise -It’s like a nut in a wrench

Question 4

Define syndesmosis

Answer 4

immovable joint in which bones are joined by connective tissue

Question 5

Describe the ankle

Answer 5

Distal joint of leg
controls movement of leg in sagittal plane, in relation to foot

Question 6

Is there a lot of stress on ankle/ Why or why not

Answer 6

yes, in single-leg stance phase of walking or running because full weight of body and extreme mechanical stress it undergoes

Question 7

Is ankle a single joint ?

Answer 7

yes

Question 8

How many degrees of freedom

Answer 8

3 allows arch structure of foot to assume any position in space

Question 9

What are three main axes?

Answer 9

transverse axis X; vertical axis Y; long axis Z

Question 10

What movement does transverse X axis allow?

Answer 10

flexion and extension of foot approximately in sagittal plane

Question 11

What movement does long axis X allow?

Answer 11

pronation and supination in sagittal plane. is horizontal

Question 12

What movement does vertical axis Y allow?

Answer 12

abduction and adduction in transverse plane