ankle and foot

Question 1

where does the talocrural fibrous capsule attach

Answer 1

borders of articular surfaces of tibia and malleoli

to margins of trochlear surface of talus

Question 2

wherer does the medial collateral (deltoid) ligament attach

Answer 2

medial malleolus to talus
navicular
sustentaculum tali of calcaneous

Question 3

what is the function of the deltoid ligament

Answer 3

stabilizes joint

resists talocrural and subtalar eversion

Question 4

where does the posterior talofibular lig attach

Answer 4

malleolar fossas of the fibula

lateral tubercule of talus

Question 5

what does the posterior talofibular lig do

Answer 5

restricts talocrural inversion

Question 6

where does the calcaneofibular lig attach

Answer 6

tip of lateral malleolus

lateral surface calcaneous

Question 7

what does the calcaneofibular lig do

Answer 7

resists calcaneal/subtalar inversion

Question 8

where does the anterior talofibular lig attach

Answer 8

anterior lateral malleolus of the fibula

neck of the talus

Question 9

what does the anterior talofibular lig do

Answer 9

resists talocrural inversion and

anterior translation of talus

Question 10

where does the long plantar lig attach

Answer 10

plantar surface calcenus and cuboid

to plantar surface bases of metatarsals

Question 11

where does plantar calcaneocuboid lig (short plantar lig) attach

Answer 11

calcaneus

plantar surface of cuboid

Question 12

where does plantar calcaneonavicular (spring lig) attach

Answer 12

anterior margin of sustentaculum tali

plantar surfaace naviular

Question 13

what joint is considered the mortise

Answer 13

talocrural

Question 14

which ligaments stabilizie the tibia and fibula

Answer 14

• interosseus membrane

- anterior inferior tibiofibular lig

Question 15

what kind of joint is the talocrural

Answer 15

hinge

Question 16

explain the talocrural joint

Answer 16

• convex talus

- concave distal tibia

Question 17

what happens with talocrural DF during open chain

Answer 17

• posterior glide talus in mortise
• gapping or separation of syndesmosis
• fibula glides posterior

Question 18

what happens with talocrural PF during open chain

Answer 18

• anterior glide talus in mortise
• closing of syndesmosis
• fibula glides anterior

Question 19

what are the 3 parts of the deltoid lig

Answer 19

1. tibiotalar
2. tibiocalcaneal
3. tibionavicular

Question 20

what does the deltoid lig do

Answer 20

resists forced eversion of:

1. talus
2. calcaneous
3. navicular

Question 21

what are the 3 lateral ankle ligs

Answer 21

1. ATFL
2. CFL
3. PTFL

Question 22

which joints make up the rearfoot

Answer 22

1. talonavicular

2. talocalcaneal (main)

Question 23

what happens in the anterior rearfoot

Answer 23

• convex talus on concave calcaneous

- navicular bones

Question 24

what happens in the talocacaneal joint

Answer 24

concave talus

convex calcaneus

Question 25

what are the 3 subtalar planes of motion

Answer 25

1. inversion/eversion 2. DF/PF 3. adduction/abd

Question 26

what happens in NWB

Answer 26

calcaneus moves on talus

Question 27

what happens in WB

Answer 27

talus moves on calcaneus

Question 28

what happens with pronation NWB

Answer 28

1. calcaneal eversion 2. calcaneal abduction 3. calceaneal DF

Question 29

what happens with pronation WB

Answer 29

1. calceaneal eversion 2. talar adduction 3. talar PF

Question 30

what happens with supination NWB

Answer 30

1. calceanal inversion 2. calceanal adduction 3. calceanal PF

Question 31

what happens with supination WB

Answer 31

1. calcaneal inversion 2. talar abduction 3. talar DF

Question 32

with proximal and distal segments, what happens during supination

Answer 32

ER tibia | -inversion, adduction, PF foot

Question 33

with proximal and distal segments, what happens during pronation

Answer 33

IR tibia | -eversion, abduction, DF foot

Question 34

how can a spring lig rupture happen?

Answer 34

- acute trauma - diaabetes loss of medial long arch -inferior migration of talus

Question 35

describe metatarsophalangeal joints

Answer 35

synovial condyloid - convex head of metatarsal - concave based of prox phalanges