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Lumbrical muscle (foot)

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Lumbrical muscle of the foot
Muscles of the sole of the foot. Second layer. (Lumbricals visible at bottom.)
Latin musculus lumbricalis pedis
Gray's subject #131 493
Origin:
Insertion:
Blood:
Nerve: plantar nerve
Action:
Dorlands/Elsevier m_22/12549758
For the muscle of the hand, see Lumbrical muscle (hand).

The Lumbricales are four small muscles, accessory to the tendons of the Flexor digitorum longus and numbered from the medial side of the foot; they arise from these tendons, as far back as their angles of division, each springing from two tendons, except the first.

The muscles end in tendons, which pass forward on the medial sides of the four lesser toes, and are inserted into the expansions of the tendons of the Extensor digitorum longus on the dorsal surfaces of the first phalanges.

[edit] Variations

Absence of one or more; doubling of the third or fourth. Insertion partly or wholly into the first phalanges.

[edit] External links

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

Muscles of the HeadNeckTrunkUpper limbLower limbLIST OF ALL MUSCLES

ILIAC REGION/HIP FLEXORS: psoas major | psoas minor | iliacus | (Gray's s127)

THIGH: anterior femoral | sartorius | quadriceps (rectus femoris, vastus lateralis, vastus intermedius, vastus medialis) | articularis genu
medial femoral/adductor | gracilis | pectineus | adductor brevis | adductor longus | adductor magnus
gluteal region | gluteals (maximus, medius, minimus) | tensor fasciae latae
lateral rotator group | piriformis | obturator externus | obturator internus | inferior gemellus | superior gemellus | quadratus femoris
posterior femoral/hamstring | biceps femoris | semitendinosus, semimembranosus | (Gray's s128)

LEG: anterior crural | tibialis anterior | extensor hallucis longus | extensor digitorum longus | fibularis tertius
superficial posterior crural | calf (gastrocnemius, soleus) | plantaris
deep posterior crural | popliteus | flexor hallucis longus | flexor digitorum longus | tibialis posterior
lateral crural | fibularis longus | fibularis brevis | (Gray's s129)

FOOT: dorsal | extensor digitorum brevis | extensor hallucis brevis
plantar first layer | abductor hallucis | flexor digitorum brevis | abductor digiti minimi
plantar second layer | quadratus plantae | lumbrical muscle
plantar third layer | flexor hallucis brevis | adductor hallucis | flexor digiti minimi brevis
plantar fourth layer | dorsal interossei | plantar interossei | (Gray's s131)

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