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Foot Anatomy

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Bone Anatomy

Tarsal Bones

Calcaneus

Sustentaculum Tali Peroneal Tubercle

Cuboid

Navicular

3 Cuneiforms

5 metatarsals

5 phalanges (proimal!

middle! distal"

#ception

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Division of the Foot

$earfoot

%idfoot

&orefoot

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Hindfoot (Rearfoot)

Subtalor 'oint Talus and calcaneus

articulation ndividual Bone

&ormation Calcaneus

Calcaneal Tuberosit)

Sustentaculum Tali nferior Talus

Three facets

&ive functionalarticulation

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Midfoot

Composed of

Navicular

3 cuneiforms

cuboid

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Forefoot

5 %T*s

Proimall) +,3

articulate -ithcuneiforms

Proimall) .,5

articulate -ith cuboid

Bases articulate -ith/

Phalanges

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Articulations and Ligamentous

Support Subtalor 'oint

Three facets

%otions of theSubtalor 'oint

Supination Components

Pronation Components

0B vs N0B Status of&oot at Subtalor 1oint

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Hindfoot Articulations and

Ligamentous Support Subtalor 'oint

2igamentous Support

ntra,articular 2igaments

nterosseous

Talocalcaneal

2igamentum Cervis

%edial Talocalcaneal

2ateral Talocalcaneal

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Midfoot Articulations and Ligamentous

Support Si 'oints Talocalcaneonavicular

Calcaneocuboid

Cuboideonavicular

ntercuneiform

Cuneocuboid

Cuneonavicular

Transverse Tarsal Comprised b) calcaneocuboid

talonavicular

Stabilit) $elated to subtalor1oint

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Midfoot Articulations and Ligamentous Support

2igamentous Support

ntercuneiform 'oints

4orsal and Plantarntercuneifrom 2igaments

Cuneocuboid

Plantar and 4orsal

Cuneocuboid 2igaments

Cuneonavicular 'oints

Plantar and 4orsal

Cuneonavicular 2igaments

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Forefoot Articulations and

Ligamentous Support Tarsometatarsal 'oint

(2isfranc*s 'oint"

ntermetatarsal 'oint

%etatarsalphalangeal

'oint (%TP"

nterphalangeal 'oint PP

4P

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Forefoot Articulations and

Ligamentous Support 2igamentous Support

ntermetatarsal 'oint

Proimal

4istal %TP 'oints

Plantar &ascia

Plantar 2igament

%C2 and 2C2

nterphalangeal 'oints Plantar and dorsal 1oi

capsule

%C2 and 2C2

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Arches of the Foot

%edial 2ongitudinal

rch continued

2igament Support Plantar

Calcaneonavicular

2ong Plantar 2ig

4eltoid

Plantar fascia

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Arches of the Foot

%edial 2ongitudinal

rch continued

2igament Support Plantar

Calcaneonavicular

2ong Plantar 2ig

4eltoid

Plantar fascia

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Arches of the Foot

%edial 2ongitudinal

rch continued

2igament Support Plantar

Calcaneonavicular

2ong Plantar 2ig

4eltoid

Plantar fascia

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Arches of the Foot

%edial 2ongitudinal

rch continued

2igament Support Plantar

Calcaneonavicular

2ong Plantar 2ig

4eltoid

Plantar fascia

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Arches of the Foot

%edial 2ongitudinal rchcontinued %uscular Support

ntrinsic bductor 6allucis

&leor 4igitorum Brevis

#trinsic

Tibialis Posterior

&leor 6allucis 2ongus

&leor 4igitorum2ongus

Tibialis nterior

&leor 4igitorm 2ongus

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Arches of the Foot

%edial 2ongitudinal rchcontinued %uscular Support

ntrinsic bductor 6allucis

&leor 4igitorum Brevis

#trinsic

Tibialis Posterior

&leor 6allucis 2ongus

&leor 4igitorum2ongus

Tibialis nterior

&leor 4igitorm 2ongus

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Arches of the Foot

2ateral 2ongitudinal

rch

Composed of Calcaneus

Cuboid

.,5th%T*s

2igament Support 2ong Short Plantar

Plantar &ascia

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Arches of the Foot

2ateral 2ongitudinal

rch continued

%uscle Support ntrinsic

bductor 4igiti

%inimi

&leor 4igitorum

Brevis

#trinisic

Peroneus 2ongus!

Brevis Tertius

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Summary of Arches

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Arches of the Foot

Transverse rch

&ormed B)/

2igament Support

ntermetatarsal 2igaments

Plantar &ascia

%uscle Support

ll intrinsic muscles

#trinisic Tibialis Posterior

Tibialis nterior

Peroneus 2ongus

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Foot Muscles !lantar Surface

Superficial 2a)er

bductor 6allucis

bductor 4igiti%inimi

&leor 4igitorum

Brevis

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Foot Muscles !lantar Surface

4eep 2a)er

&leor 6allucis Brevis

dductor 6allucis Transverse and 8bli9ue

6eads

&leor 4igiti %inimi

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Foot Muscles !lantar Surface

nterosseus 2a)er

Plantar nterossei

4orsal nterossei

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Foot Muscles Dorsal Surface

#tensor 4igitorum

Brevis

#tensor 6allucisBrevis