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Phalanges

There are 14 Phalanges in each foot; 2 for the great toe and 3 for each of the other toes. As compared to the phalanges of the hand, these are much smaller in size, and the shafts particularly of the first row are compressed from side to side. Otherwise their arrangement and features are similar in the two limbs.

Interactive Anatomical Interface

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Fibula
Tibia
Talus
Calcaneus
Cuboid Bone
Cuneiform Bones
Intermediate Cuneiform
Navicular
Metatarsal
Medial Cuneiform
Proximal phalanx
Distal Phalanx
Middle Phalanx

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Fibula
Tibia
Talus
Calcaneus
Cuboid Bone
Cuneiform Bones
Intermediate Cuneiform

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Navicular
Metatarsal
Medial Cuneiform
Proximal phalanx
Distal Phalanx
Middle Phalanx
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Plantar Aponeurosis
Interphalangeal ( proximal ) ligaments
Interphalangeal ( distal ) ligaments
Interphalangeal ligament of hallux
plantar calcaneonavicular ligament
Inferior extensor retinaculum
Flexor Retinaculum
deep transverse metatarsal
Distal phalanx
Proximal phalanx
Metatarsal
Middle phalanx
Medial Cuneiform
Intermediate cuneiform
Cuboid
navicular
talus
Calcaneus
Tibia
Fibula
Lateral cuneiform

Highlight
Plantar Aponeurosis
Middle phalanx
Interphalangeal ligament of hallux
plantar calcaneonavicular ligament
Inferior extensor retinaculum
Flexor Retinaculum
deep transverse metatarsal
Distal phalanx
Proximal phalanx

Highlight
Metatarsal
Interphalangeal ( distal ) ligaments
Interphalangeal ( proximal ) ligaments
Medial Cuneiform
Intermediate cuneiform
CUboid
navicular
talus
Calcaneus
Tibia
Fibula
Lateral cuneiform

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Attachments

1. On Bases of Distal Phalanges

2. On shaft and Bases of Middle Phalanges

  • Flexor digitorum brevis on each side of the shaft on plantar surface; and extensor expansion on the dorsal surface.

3. On Bases of Proximal Phalanges

4. The fibrous flexor sheath is attached to the margins of the proximal and middle phalanges of the lateral four toes

Ossification

Phalanx ossifies by one primary centre for the shaft which appears in tenth week of foetal life. The single secondary centre appears in the base. It appears in the proximal phalanx in second year, middle phalanx in third year and in distal phalanx in the sixth year. These fuse with the respective shafts by eighteenth year. The big toe has two phalanges and their secondary centres appear in second and third years to fuse with shaft in 18th year.


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By | 2018-02-01T10:14:58+00:00 July 24th, 2017|Anatomy, Bones and Cartilages, Lower Limb|0 Comments