Crozer- anatomy

Question 1

How many bones in the foot?

Answer 1

26

Question 2

how many joints in the foot

Answer 2

35

Question 3

Avascular necrosis of tibial sesmoid?

Answer 3

Renandier

Question 4

Avascular necrosis of fibular sesmoid

Answer 4

trevor

Question 5

Avascular necrosis of phalanges

Answer 5

theiman

Question 6

Avascular necrosis of metatarsal heads

Answer 6

freiberg

Question 7

Avascular necrosis of 5th met base

Answer 7

iselen

Question 8

Avascular necrosis of cuneiforms

Answer 8

Buschke

Question 9

Avascular necrosis of navicular

Answer 9

kohler

Question 10

Avascular necrosis of cuboid

Answer 10

lance

Question 11

Avascular necrosis of talus

Answer 11

Diaz

Question 12

Avascular necrosis of calcaneus

Answer 12

severe

Question 13

Avascular necrosis of proximal medial tibial epiphysis

Answer 13

blout

Question 14

Avascular necrosis of tibial tuberosity

Answer 14

Osgood schlatter

Question 15

Avascular necrosis of femoral epiphysis

Answer 15

leeg-calve perthes

Question 16

what attaches periosteum to bone?

Answer 16

sharpey fibers

Question 17

what are different types of coalitions- fibrous? cartilaginous? osseus?

Answer 17

Syndesmosis
synchondrosis
synostosis

Question 18

Coalition vs Bar?

Answer 18

Coalition=intraarticular

Bar=extra-articular

Question 19

most common coalition in the foot?

Answer 19

distal and middle phalanx of the 5th

Question 20

most common coalition of the rear foot?

Answer 20

talocalcaneal

Question 21

What is a Steida process

Answer 21

enlarged os trigonum

Question 22

What are the plantar muscle layers of the foot from superficial to deep?

Answer 22

1. Abductor hallucis, flexor digitorum brevis, abductor digiti minimi
2. Quadratus plantae, 4 lumbricals
3. Flexor hallucis brevis, adductor hallucis, flexor digiti minimi
4. 3 plantar interossei, 4 dorsal interossei

Question 23

what layer does the FDL run

Answer 23

2nd

Question 24

if you cut QP, what deformity results

Answer 24

4th and 5th digits become adductovarus

Question 25

how does EDL attach to phalanxes

Answer 25

Sling wraps around capsule which attaches to plantar plate, DTML, and flexor tendon sheath thus attaching to plantar proximal phalanx. No direct insertion to proximal phalanx.

Question 26

What is the Master Knot of Henry?

Answer 26

Fibrous connection between FHL and FDL tendons

Question 27

What structures attach to the fibular sesamoid?

Answer 27

``` Plantar metatarsal-phalangeal ligament Lateral metatarsal-sesamoidal ligament Intersesamoidal ligament Phalangeal-sesamoidal ligament FHB tendon ADH tendon ```

Question 28

What structures in the Lisfranc joint are not connected by ligaments?

Answer 28

1st and 2nd met

Question 29

what angle do ATFL and CFL create

Answer 29

105

Question 30

whats bassett ligament?

Answer 30

ant inf tibofib ligament

Question 31

another name for flexor retinaculum?

Answer 31

laciniate lig

Question 32

another name for superior extensore retinaculum

Answer 32

transverse crural lig

Question 33

another name for inferior extensor retinaculum

Answer 33

cruciate crural lig

Question 34

where does plantaris insert?

Answer 34

medial aspect of tendo Achilles into the calc

Question 35

whats hoke tonsil

Answer 35

fibrour fatty plug in sinus tarsi

Question 36

Pes anserinus?

Answer 36

Sartorius, gracillus and semitendinosus (ant medial aspect of tib)

Question 37

fabella?

Answer 37

sesmoid in lateral head of gastroc

Question 38

what forms the sural nerve

Answer 38

Medial sural cutaneous nerve – branch of the tibial nerve Sural communicating branch – branch of the lateral sural cutaneous nerve, which originates from the common peroneal nerve

Question 39

Does a neuroma lie dorsal or plantar to the deep transverse intermetatarsal ligament?

Answer 39

plantar

Question 40

Where do these muscles run in relation to the deep transverse intermetatarsal ligament?

Answer 40

Interossei – dorsal | Lumbricals – plantar

Question 41

What layers of the foot do the plantar nerves run?

Answer 41

Medial plantar nerve – in the 1st layer (between FDB and abductor hallucis) Lateral plantar nerve – between the 1st and 2nd

Question 42

What is the innervation to the plantar muscles of the foot? Blood supply?

Answer 42

``` Never LAFF at A FAD) N – medial plantar Nerve L – 1st Lumbrical A – ABH F – FHB F – FDB (innervated by both medial and lateral plantar nerves) A – medial plantar Artery F – FDB A – ABH D – 1st Dorsal interossei ```

Question 43

What are the branches of the femoral nerve?

Answer 43

``` Nerve to femoral artery Small muscular branch to pectineus Anterior division (cutaneous)  Anterior femoral cutaneous  Nerve to sartorious  Intermediate femoral cutaneous nerve  Medial femoral cutaneous nerve Posterior division (muscular)  Saphenous nerve  Infrapatellar branch  Medial crural cutaneous nerve  Nerve to rectus femorus  Nerve to vastus medialus  Nerve to vastus intermedialus  Nerve to vastus lateralus ```

Question 44

What are the branches of the femoral artery?

Answer 44

``` Superficial epigastric artery Superficial circumflex iliac artery Superficial external pudendal artery Deep femoral (profunda femoris) artery Medial femoral circumflex artery Lateral femoral circumflex artery Descending genicular artery Femoral artery continues as the popliteal artery ```

Question 45

T race the path of a drop of blood from left ventricle to the hallux

Answer 45

Ascending aorta → aortic arch → descending aorta → thoracic aorta → abdominal aorta → common iliac artery → external iliac artery → femoral artery → deep femoral artery → popliteal artery → anterior tibial artery → dorsalis pedis → 1st dorsal metatarsal artery → 1st dorsal common digital artery → 1st dorsal proper digital artery

Question 46

What are the sources of blood supply to the talus?

Answer 46

Superior surface of head and neck – artery of sinus tarsi and branch from anterior tibial artery or dorsalis pedis  Medial side of body – artery of tarsal canal and posterior tibial artery  Lateral turbercle – anastamosis of branch of peroneal artery with medial calcaneal branch

Question 47

sources of blood supply to tndons?

Answer 47

myotendinous junctions, paratenon and insertion to bone