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Flashcards in Firecracker Anatomy! Deck (39):
1

What structures attach to the tarsal sinus?

*ICE BILD*
inferior extensor retinaculum
cervical ligament
EDB
bifurcate ligament
inferior peroneal retinaculum
lateral calcaneocuboid lig
dorsal calcaneocuboid lig

2

what makes up the bifurcate ligament?

calcaneonavicular lig
calcaneocuboid lig

3

what structures are attached to the lateral process of the calcaneal tuberosity?

*LLAP*
lateral head of quadratus plantae
long plantar ligament
ABDM
plantar aponeurosis

4

what structure attaches to the anterior tubercle of the calcaneus?

short plantar ligament (aka plantar calcaneocuboid lig)

5

what structures are attached to the medial process of the calcaneal tuberosity?

MLAP +
ABH
FDB
flexor retinaculum

6

which process (med/ lateral) of the calcaneal tuberosity is bigger?

medial process is bigger
*this is why it has more attachments!

7

what is the relationship between the achilles tendon insertion and plantaris insertion on the posterior surface of the calcaneus?

plantaris attaches MEDIAL to the achilles tendon

8

what is the relationship of the PL and PB on the side of the calcaneus (peroneal trochlea)?

PL lies inferior and posterior to the peroneal trochlea while PB lies above it

9

what structures are attached to the sustentaculum tali?

MR. TP
medial talocalcaneal lig
recurrent band of tibialis posterior
tibiocalcaneal lig (part of deltoid)
plantar calcaneonavicular lig (spring ligament)

10

what structures attach to the medial tubercle of posterior process of the talus?

medial talocalcaneal lig
posterior tibiotalar lig

11

what structures attach to the lateral tubercle of posterior process of the talus?

posterior talofibular lig (part of lateral collateral lig)
posterior talocalcaneal (part of STJ articular capsule)
fibulotalocalcaneal

12

what structures attach to the base of the 1st metatarsal?

tibialis anterior- attaches to the medial surface
peroneus longus- attaches to the lateral surface

13

what bone are the sesamoids attached to?

head of 1st metatarsal

14

what structures attach to the proximal phalanx? separate by the medial and lateral plantar tubercle.

Medial plantar tubercle: medial head of FHB and ABH
lateral plantar tubercle: lateral head of FHB and ADH

15

how many ossification centers does the calcaneus have?

2

16

how many ossification centers do all other tarsal bones (except calcaneus) have?

1

17

how many ossification centers do the metatarsals have?

2

18

describe the location of the ossification center of the 1st met in relation to the lesser mets?

for the 1st met, the physis is at the base while for mets 2-5 the physis is at the head
*the second physis is in the shaft

19

how many ossification centers are in the phalanges?

each bone has 2; one in the shaft the the other at the base of the phalanx

20

what is the talocrural joint?

ankle joint

21

what ligaments are associated with the ankle joint?

anterior inferior tib-fib lig
posterior inferieor tib-fib lig

22

name the ligaments that make up the deltoid ligament.

tibionavicular
tibiocalcaneal
anterior tibiotalar
posterior tibiotalar

23

which of the deltoid ligaments lies deep?

anterior tibiotalar

24

the tendons of which two muscles lie superficial to the deltoid ligament?

tibialis posterior
FDL

25

name the ligaments that make up the lateral collateral ligament of the ankle.

calcaneofibular
anterior talofibular
posterior talofibular

26

what is the articular capsule of the STJ composed of?

medial talocalcaneal lig
posterior talocalcaneal
lateral talocalcaneal
interosseous talocalcaneal
anterior talocalcaneal (aka cervical lig)

27

which ligament helps to check against over-inversion?

cervical ligament (anterior talocalcaneal)

28

what is another name for the spring ligament?

plantar calcaneonavicular

29

what is teh relationship of the interossei and lumbricals to the deep transverse intermetatarsal ligament?

interossei lie above the ligament
lumbricals lie below the ligament

30

the nerves and arteries to the plantar foot are found in between which layers of musculature?

btwn the 1st and 2nd layers of plantar musculature

31

Where does the first lumbrical insert?

the extensor expansion of the 2nd digit

32

what is teh innervation to the 1st lumbrical?

branch of the 1st common plantar digital n.
(all the other lumbricals are innervated by the deep branch of lateral platnar n.)

33

what is the action of the lumbricals?

flex teh MPJ and extend the IPJ

34

what is the O/I of FDMB?

O: plantar surface of the base of the 5th met, tendon of PL, and plantar aponeurosis
I: plantar surface of the proximal phalanx of 5th digit inc common with ABDM

35

what innervates FHB?

1st proper plantar digital n. (from medial plantar n.)

36

what 4 things does the deep branch of the lateral plantar nerve innervate?

1. lumbricals 2-4
2. ADH
3. 1st and 2nd plantar interossei
4. 1st - 3rd dorsal interossei

37

the 4th common plantar digital n. is a branch of what?

superficial branch of the lateral plantar n.

38

what 3 things does the superficial branch of lateral plantar n. innervate?

FDMB
3rd plantar interossei
4th dorsal interossei

39

Where does EHB insert?

EHB inserts on the dorsal surface of the base of the proximal phalanx of the 1st digit)