ARTICULAR MOTION HIGH YIELD ANKLE JOINT

Question 1

what does the ankle joint consist of?

Answer 1

consists of the trochlea of talus and its articulation with the distal tibia and fibula

Question 2

concavity is directed where?

Answer 2

medially

Question 3

primary motion in what plane?

Answer 3

sagittal plane, so plantarflexion/dorsiflexion

Question 4

secondary motions?

Answer 4

some abduction with dorsiflexion

some adduction with plantarflexion

Question 5

how does the joint axis pass?

Answer 5

from lateral, plantar and posterior

Question 6

minimum ROM?

Answer 6

10 degrees dorsiflexion required when knee extends just prior to heel lift in stance phase

20 degrees plantarflexion for propulsion