Phalanges are the endoskeleton ...

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Phalanges of hand pictures Study-tutorial

Muscular attachments

Dorsal aspect

Insertion

Extensor digitorum

Extensor indicis

Extensor digiti minimi

First dorsal interosseous muscle

Second dorsal interosseous muscle

Third dorsal interosseous muscle

Fourth dorsal interosseous muscle

Palmar aspect

Insertion

First palmar interosseous muscle

Second palmar interosseous muscle

Third palmar interosseous muscle

Fourth palmar interosseous muscle

Flexor digitorum superficialis

Flexor digitorum profundus

Adductor pollicis

Abductor pollicis brevis

Flexor pollicis brevis

Abductor digiti minimi

The phalanges are the endoskeleton of the digits. There are five digits and they are

· Thumb (pollex)

· Index finger

· Middle finger

· Ring finger

· Little finger

All the digits have three phalanges each which are labeled proximal, middle and distal with the exception of the thumb which has only two (proximal and distal). There are therefore 14 phalanges in all. All have ungual tuberosities at the tips of their distal phalanges.

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Palmar surface

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