The lumbricals are intrinsic muscles of the hand that flex the metacarpophalangeal joints,[1] and extend the interphalangeal joints.[1][2]
The lumbrical muscles of the foot also have a similar action, though they are of less clinical concern.
^ abGosling JA, Harris PF, Humpherson JR, Whitmore I, Willan PL (2008). Human Anatomy: Color Atlas and Textbook (5th ed.). Philadelphia: Mosby. ISBN 978-0-7234-3451-1.
p. 97
^Bilge O, Pinar Y, Ozer MA, Govsa F (October 2007). "The vascular anatomy of the lumbrical muscles in the hand". Journal of Plastic, Reconstructive & Aesthetic Surgery. 60 (10): 1120–6. doi:10.1016/j.bjps.2006.06.023. PMID 17825776.
and 29 Related for: Lumbricals of the hand information
causing paralysis of the lumbricals. A claw hand presents with a hyperextension at the metacarpophalangeal joints and flexion at the proximal and distal interphalangeal...
the flexors ofthe wrist and digits, the abductors and opponens ofthe thumb, the first and second lumbricals. The ulnar nerve innervates the remaining...
A hand is a prehensile, multi-fingered appendage located at the end ofthe forearm or forelimb of primates such as humans, chimpanzees, monkeys, and lemurs...
(index finger only) of phalanges, at interphalangeal joints Lumbricalsofthehand Dorsal interossei ofthehand Palmar interossei of thumb Extensor pollicis...
tendons ofthe fingers, and thelumbricalsofthehand. Alongside of it, but running in the opposite direction—toward the radial side ofthehand—is the deep...
it supplies afferent and efferent nerve fibers to the chest, shoulder, arm, forearm, and hand. The brachial plexus is divided into five roots, three trunks...
The interphalangeal joints ofthehand are the hinge joints between the phalanges ofthe fingers that provide flexion towards the palm ofthehand. There...
phalanx and stretch all the way to the distal phalanx. Thelumbricalsofthehand, extensor indicis muscle, dorsal interossei ofthehand, and palmar interossei...
this reason profundus is also called the perforating muscle. Thelumbricalsofthehand arise from the radial side of its tendons. Flexor digitorum profundus...
together) for 30–60 seconds. The lumbricals attach in part to the flexor digitorum profundus tendons. As the wrists flex, the flexor digitorum profundus contracts...
branch of ulnar nerve (C8, T1) Lumbricals - Deep branch of ulnar nerve, Digital branches of median nerve Opponens pollicis - Recurrent branch of median...
This is a table of skeletal muscles ofthe human anatomy, with muscle counts and other information. Skeletal muscle maps Anterior view Posterior view A...
supplying all the three muscles, and lying on the hook of hamate bone. It then turns laterally, supplying the 3rd and 4th lumbricals and all the palmar interossei...
quadratus In thehand, the median nerve supplies motor innervation to the first and second lumbrical muscles. It also supplies the muscles ofthe thenar eminence...
nerve; the first gives a twig to the first lumbricals. Each proper digital nerve gives off cutaneous and articular filaments; and opposite the last phalanx...
adductor hallucis, the dorsal and plantar interossei, three lateral lumbricals and abductor digiti minimi. Cutaneous innervation is to the lateral sole and...
thus assist thelumbricals. The palmar interossei, together with the dorsal interossei and thelumbricals, are active components ofthe finger's extensor...
innervates the three thenar muscles and the first and second lumbricals. The ulnar nerve innervates the muscles ofthe forearm and hand not innervated by the median...
the small finger), the dorsal and palmar interossei muscles (between the metacarpal bones) and thelumbrical muscles. Thelumbricals arise from the deep...
the thenar compartment beneath the long flexor tendons and thelumbrical muscles at the center ofthe palm. It overlies the metacarpal bones and the interosseous...
the muscles in thehand (interossei and small and ring finger lumbricals). Symptoms can be alleviated by the use of a splint to prevent the elbow from flexing...
digitorum Two intrinsic hand muscles: Fourth lumbrical muscle Third palmar interosseous muscle Note: the dorsal interossei ofthehand muscles do not have...
innervates the hypothenar muscles. As it crosses the deep part ofthehand, it innervates all the interosseous muscles and the third and fourth lumbricals. It...
of the lateral 3+1⁄2 digits and the lateral two lumbricals. Because lesions to different areas ofthe median nerve produce similar symptoms, clinicians...
interdigital cleft. The deep branch supplies the 2nd, 3rd, and 4th lumbricals, first and second plantar interossei and adductor hallucis. Damage to the tibial nerve...
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