Worm-shaped muscles of the hand ( lat. Musculi lumbricales ) - the muscles of the hand.
| Worm-shaped muscles of the hand | |
|---|---|
| lat Musculi lumbricales | |
 Worm-shaped muscles of the hand are highlighted in red. | |
| Start | tendons deep flexor fingers |
| Attachment | proximal phalanx |
| Blood supply | arcus palmaris superficialis et profundus |
| Innervation | the first and second are n. medianus, the third and fourth - n. ulnaris (C VIII — Th I ) |
| Function | bend proximal and straighten the middle and distal phalanges of the fingers |
| Catalogs | |
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Four small spindle-shaped muscles. Each of them starts from the radial edge of the tendon of the deep flexor of the fingers and attaches to the back surface of the base of the proximal phalanges from the index finger to the little finger. Here they are intertwined in the dorsal aponeurosis of the index, middle, ringless fingers and little finger from the side of their radial edge, rounding the heads of the metacarpal bones [1] .
Function
Bend the proximal and straighten the middle and distal phalanx II-V fingers [2] .
Notes
- ↑ R. D. Sinelnikov, Ya. R. Sinelnikov. Muscles and fascia of the upper limb // Atlas of human anatomy. - 2nd. - M. :: Medicine, 1996. - T. 1. - p. 278. - 344 p. - 10 000 copies - ISBN 5-225-02721-0 .
- ↑ M. G. Prives, N. K. Lysenkov, V. I. Bushkovich. Muscles and fascia of the upper limb // Human Anatomy. - 11th edition. - SPb. :: Hippocrates, 1998. - p. 201. - 704 p. - ISBN 5-8232-0192-3 .