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73 Cards in this Set

  • Front
  • Back

Main function of fibula

muscle attachments

tibial articular facet faces___


fibular articular facet____


apex of the fibula projects___ from the ____corner of the head

superiorly from the posterolateral corner

when the fibula is articualted with the tibia, the lateral malleolus extends _____ to the medial malleolus


anterior border of lateral mal runs ___to the summit of the pyramid


where is the lateral maleolar sulcus? what runs in it?

posterior border of the lat mal

peroneus brevis


lateral surface of lateral mal is subcutaneous


where is the lateral malleolar fossa located?

posterior to the medial/malleolar articular surface

where does the posterior border of the fibula start? end?

start: at posterior neck of the fibula

ends: at medial edge of the lateral malleolar sulcus

on what surface of the fibula is the median crest located?

posterior surface

nutrient foramen of the fibula is found ___

on posteriorlateral surface

keystone of medial longitudinal arch


keystone of the transverse arch

intermediate cuneiform

T/F: cuboid is part of the 4th and 5th rays


only bone in the foot without muscle attachments


talus articulates with

tibia, fibula, calcaneus, and navicular


describe the lateral maleollar surface

its a surface on the body of the talus. it has a a lateral process. it articulates with the lateral maleollar articular surface of the fibula.

medial malleolar surface has a ____shaped facet


describe the posterior surface of the talus?

has a posterior process of the talus which has 2 tubercles (medial and lateral) that are separated by a groove. the groove is the sulcus for the FHL. the lateral tubercle is larger than the medial tubercle.

what is on the inferior surface of the body of the talus?

a large rectangular shaped facet called the posterior calcaneal articular facet. it runs anterolateral. Its concave running down and flat side to side. it articulates with the posterior talar articular facet on the dorsal surface of the calcaneus.

the head of the talus is ___ and ___ in all directions. its long axis runs____

ovoid and convex


what is the surface of the head of the talus called?

navicular articular surface

describe the navicular articular surface

it extends plantarly and is separated into 2 facets called the anterior and middle calcaneal articular facets.

this is on the TALUS

there is a small triangular area that is anteromedial to the anterior and middle calcaneal articular facets on the head of the talus...what is this?

it articulates with a fibrocartilagenous facet of the spring ligament

where is the sulcus tali?

its a deep groove on the inferior surface of the neck of the talus

roof and floor of sinus tarsi

roof= sulcus tali

floor= calcaneus sulcus (groove on superior surface of the calcaneus)

blood supply to the head of the talus

braches of the anterior tibial artery and/or dorsalis pedis

blood supply to the body of the talus

anastomosis in the sinus tarsi of the artery of the sinus tarsi and the artery of the canalis tarsi.

what's the other name for calcaneus?

os calcis---its not an accessory bone!

calcaneus articulates with___

talus and cuboid

neutral triangle

area just inferior to the calcaneal sulcus that is deficient of trabeculae and is the weakest part of the bone

posterior talar articular surface

its on the CALCANEUS

its on the 1st smooth area on the superior surface of the calcaneus

whats significant about the 2nd smooth area?

has the anterior and middle talar articular facets


sustentaculam tali

the middle calcaneal articular facet rests on this shelf of the bone

where is the calcaneal sulcus?

its on the 2nd rough area on the superior surface of the calcaneus

where is the calcaneal tuberosity?

its on the plantar surface of the calcaneus and is divided by a notch into medial and lateral processes. the medial process is larger.

anterior tubercle of the calcaneus

on the plantar surface of the calcaneus

describe the lateral surface of the calcaneus

shaped like an old shoe. surface bulges in the center and forms the retrochlear eminence. anterior to it is the peroneal trochlea.

decribe the medial surface of the calcaneus

has the sustentaculum tali and sulcus for the FHL

deep retrocalcaneal bursa

between the achilles and the calcaneus

superficial retrocalcaneal bursa

between the skin and the achilles

where is the articular facet for the cuboid?

on the anterior surface of the calcaneus

anterior process of the calcaneus

area where the superior, lateral and anterior surfaces meet and project over the cuboid

cuboid articulations

calcaneus, 4th and 5th met bases, lateral cuneiform, navicular

the dorsal surface of the cuboid runs____ and is continuous with the ____


lateral surface of the calcaneus

largest surface of the cuboid with an elongated posteromedial angle

plantar surface

peroneal sulcus

groove that runs parallel to the anterior border of the plantar surface of the cuboid. Peroneus longus runs in here

promontory of the cuboid

on plantar surface, it bounds the peroneal sulcus posteriorly

tuberosity of the cuboid

bulbous lateral end of the promontory

peroneal notch

deep notch on lateral surface of the cuboid that is continuous with the peroneal sulcus

calcaneal process of the cuboid

elongated projection of at the inferomedial angle of the posterior surface that project posteromedially.

os peroneum


with peroneus longus tendon

navicular articulations


3 cuneiforms


tuberosity of the navicular

on inferior surface

where the inferior and superior surfaces meet medially

calcanenavicular process is formed when__

the posterolateral angle of the inferior surface sticks out.

if it fuses with the calcaneus you get a CN bar/coalition

describe the facets on the anterior surface of the navicular

medial= pear shaped with stem up, convex

middle= triangle apex down, convex

lateral= triangle apex down, concave

os tibiale externum

accessory bone of the navicular

medial cuneiform articulations

navicular, intermediate cuneiform, bases of 1st and 2nd mets

there is a groove on the medial surface of the medial cuneiform, what runs in it?

Tibialis anterior

describe the lateral surface of the medial cuneiform

has an L shaped facet along its posterior border for the intermediate cuneiform and 2nd met base

anterior surface of the medial cuneiform is ___ and ___

reniform and convex

posterior surface of the medial cuneiform is ___ and ___

concave and pear shaped with base up

tuberosity of the medial cuneiform

posterior edge of plantar surface

crest of medial cuneiform

on superior edge of the bone

anterior 1/3 runs anteriorly and is the high point

posterior 2/3 runs anterosuperolaterally

articulations of intermediate cuneiform


medial cuneiform

lateral cuneiform

base of 2nd met

anterior surface of intermediate cuneiform

triangular with base up apex down


medial surface of intermediate cuneiform

L shaped facet that articulates with the medial cuneiform

lateral surface of intermediate cuneiform

quadrilateral and has a waist in the center

which cuneiform has a recess?

intermediate cuneiform, its on its anterior surface

articulations of lateral cuneiform

intermediate cuneiform

base of 2nd, 3rd and 4th mets



medial surface of the lateral cuneiform

3 facets


articulates with base of 2nd met and intermediate cuneiform

lateral surface of lateral cuneiform

2 facets


articulates with cuboid and base of 4th met