It is attached to the bones of the hand by tendons and is shaped like a spindle. Abductor digiti minimi (muscle) of foot [TA] muscle of first layer of plantar muscles; origin, lateral and medial processes of calcaneal tuberosity; insertion, lateral side of proximal phalanx of fifth toe; action, abducts and flexes little toe; nerve supply, lateral plantar nerve. Abduction, in this case, is the action of pulling the smallest finger and toe laterally away from the other digits of the hand or foot — hence the name, abductor digiti minimi. From WikiSM. Jump to: navigation, search. In human anatomy, the abductor digiti minimi (abductor minimi digiti, abductor digiti quinti, ADM) is a skeletal muscle situated on the ulnar border of the palm of the hand.It forms the ulnar border of the palm and its spindle-like shape defines the hypothenar eminence of the palm together with the skin, connective tissue, and fat surrounding it. ACTIONS: Abducts the little finger at the metacarpophalangeal joint. two slips; into ulnar side of the base of proximal phalanx of little finger; into ulnar border of aponeurosis of extensor digiti minimi expansion of finger extensor tendons; action. Contentsto top. The foot's abductor digiti minimi allows for abduction. abducts little finger & helps flex its proximal phalanx at MP joint; synergists. NOTE: Whenever the abductor digiti minimi manus contracts, the flexor carpi ulnaris also contracts, to stabilize the pisiform, which is the principal proximal attachment of the abductor digiti minimi manus. Pisiform; Pisohamate ligament; Flexor carpi ulnaris tendon; Insertion. Abductor Digiti Minimi. Methods. The vascular anatomy of both of the muscles were investigated to classify the muscles according to the Mathes-Nahai classification. 1 Origin; 2 Insertion; 3 Actions; 4 Vascular Supply; 5 Nerve; 6 Clinical Significance; 7 See Also; 8 References; Abductor Digiti Minimi. The abductor digiti minimi muscle is a particularly strong skeletal muscle of the hand. Anatomy origin: pisiform bone and from the tendon of the FCU; insertion. The abductor digiti minimi (ADM) and the flexor digiti minimi (FDM) brevis muscles could be used as flaps with their low functional morbidity, especially in severe crushed injuries of the hand. Origin. Abductor Digiti Minimi. Abducts the little finger at the carpometacarpal joint. 1 Definition. Der Musculus extensor digiti minimi ist ein schlanker Muskel, der zur oberflächlichen Schicht der Streckmuskeln des Unterarms gehört.. Funktionell gesehen ist der Muskel Teil des Musculus extensor digitorum.Er besitzt aber eine separate Sehne und verläuft in einem eigenen Sehnenfach, so dass er separat betrachtet wird.. 2 Verlauf 2.1 Ursprung

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