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little finger
The little finger, often called the pinky in American English, pinkie in Scottish English (from the Dutch word ''pink'', "little finger"), or fifth digit in medicine, is the most ulnar and usually smallest finger of the human hand, opposite the thumb, next to the ring finger.
==Muscles==
There are nine muscles that control the fifth digit:
Three in the hypothenar eminence, two extrinsic flexors, two extrinsic extensors, and two more intrinsic muscles:
* Hypothenar eminence:
*
* Opponens digiti minimi muscle
*
* Abductor minimi digiti muscle (adduction from third palmar interossei)
*
* Flexor digiti minimi brevis (the "longus" is absent in most humans)
* Two extrinsic flexors:
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* Flexor digitorum superficialis
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* Flexor digitorum profundus
* Two extrinsic extensors:
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* Extensor digiti minimi muscle
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* Extensor digitorum
* Two intrinsic hand muscles:
*
* Fourth lumbrical muscle
*
* Third Palmar interosseous muscle
''Note: the dorsal interossei of the hand muscles do not have an attachment to the fifth digit''
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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