Joints of the Ankle Complex

Question 1

4 joints of ankle complex

Answer 1

1. talocrural jt
2. subtalar jt
3. transverse tarsal jt
4. distal tibiofibular jt

Question 2

talocrural jt aka

Answer 2

ankle joint and distal tibiotalar joint

Question 3

talocrural jt is a _ jt

Answer 3

mortise

Question 4

what is a mortise jt?

Answer 4

square hole

Question 5

which joint’s articulation is:
concave distal,
inferior fibula and tibia,
articulating with convex trochlea of talus

Answer 5

talocrural joint

Question 6

talocrural joint:
Motions 
DOF
Plane
Axis

Answer 6

Motions: plantarflexion & dorsiflexion
DOF: 1
Plane: sagittal
Axis: M/L

Question 7

subtalar joint is articulation b/w which 2 bones

Answer 7

talus and calcaneus

Question 8

subtalar joint has 3 talar articular surfaces

Answer 8

1. anterior
2. middle
3. posterior

Question 9

subtalar joint:
Motions
DOF
Axis

Answer 9

Motions: inversion & eversion
DOF: 1
Axis: oblique (mostly A/P)

Question 10

subtalar joint is what type of joint

Answer 10

synovial joint

Question 11

this is found on the lateral aspect between the neck of the talus and the anterosuperior calcaneus

Answer 11

sinus tarsi

Question 12

this is a cone-shaped cavity that may fill with fluid and become sensitive to touch after acute trauma

Answer 12

sinus tarsi

Question 13

this contains

1. fat
2. network of blood vessels
3. nerve endings
4. five ligamentous structures

Answer 13

sinus tarsi

Question 14

5 ligamentous structures found at sinus tarsi

Answer 14

1. medial
2. intermediate
3. lateral roots of inferior extensor retinaculum
4. cervical ligament
5. interosseous talocalacneal ligament

Question 15

transverse tarsal joints aka

Answer 15

midtarsal joint

Question 16

talonavicular joint
calcaneocuboid joint
make up which joint

Answer 16

transverse tarsal joint (or midtarsal joint)

Question 17

this joint functions to:

increase ROM of pronation and supination

Answer 17

transverse tarsal joint (or midtarsal joint)

Question 18

this joint doesn’t function alone;
allow mid and forefoot to compensate for hindfoot position;
motion tends to follow subtalar joint motion

Answer 18

transverse tarsal joints (or midtarsal joint)

Question 19

transverse tarsal:
Motions
DOF

Answer 19

Motions:

1. dorsi/plantar flexion
2. inversion/eversion
3. abduction/adduction

DOF: 3

Question 20

inferior tibiofibular joint is aka

Answer 20

syndesmosis joint

Question 21

inferior TF joint:

injury to the interosseous membrane is aka

Answer 21

syndesmotic sprain

Question 22

inferior TF joint:

injury to the tibifiofibular ligaments is aka

Answer 22

high ankle sprain