extensor digiti minimi origin and insertion

Origin. Origin: Lateral epicondyle of humerus: Insertion: Extensor expansion of 5th digit: Action: Extends 5th digit at metacarpophalangeal and … Extensor digiti minimi is a long, thin muscle found in the posterior forearm. Derek Moore 0 % Topic. Extensor digiti minimi is a slender forearm muscle situated on the ulnar side of extensor digitorum. Extensor Digiti Minimi is a long slender skeletal muscle situated in the posterior compartment of the forearm. Nerve Supply : It is supplied by posterior interosseous nerve. The lateral epicondyle of the humerus (via the common extensor tendon). Extensor Digiti Minimi. The antagonist of this muscle is Flexor Digiti Minimi … Extensor digiti minimi (EDM) is a muscle of the superficial layer of the posterior compartment of the forearm, and with other extensor muscles arises from a common extensor tendon attached to the lateral epicondyle of the humerus.The EDM represents a medial group of superficial extensor muscles. EXTENSOR DIGITI MINIMI. Lateral epicondyle (common extensor tendon) Insertion. The muscles of the forearm can be divided into two functional groups, supinators (extensors) and pronators (flexors). Variations. Origin Insertion Innervation Blood supply; Extensor digitorum - Extends digits 2-5 - Extends wrist - Lateral epicondyle of humerus - Extensor expansions of medial four digits - Posterior interosseous nerve: C7,8 - recurrent and Posterior interosseous arteries: Extensor digiti minimi … Extensor … Insertion : It inserts on the extensor expansion of the middle and distal phalanges of 2nd, 3rd, 4th and 5th fingers. Contents. From WikiSM. Extensor Digiti Minimi. The extensor digiti minimi … It extends from the distal humerus to the fifth digit. Absence of muscle rare; fusion of the belly with the extensor digitorum communis not uncommon.. Variations to the fifth extensor compartment, which the extensor digiti minimi … Extensor digiti minimi muscle View Related Images. Action : It extends the hand, wrist and fingers. 0. Dr. Ebraheim’s educational animated video describes the anatomy of the Extensor Digiti Minimi muscle in the forearm. - extensor digiti minimi lies over radioulnar articulation & may be the first tendon to be involved in RA; - overlies the distal ends of the radioulnar articulation on the dorsum of wrist, contains extensor digitorum minimi; Jump to: navigation, search. An additional fibrous slip from the lateral epicondyle; the tendon of insertion may not divide or may send a slip to the ring finger.. 0. ORIGIN Common extensor origin on anterior aspect of lateral epicondyle of humerus : INSERTION Extensor expansion of little finger-usually two tendons which are joined by a slip from extensor … 4. Together with anconeus, brachioradialis, extensor carpi radialis longus, extensor carpi radialis brevis, extensor digitorum and extensor carpi ulnaris, it is a member of the superficial forearm extensor … Description: Origin: Lateral epicondyle of humerus via a thin tendinous slip to common extensor tendon Insertion: Tendon divides into two distally and both tendons join the extensor expansion of the little finger with the extensor … Extensor Digiti Minimi : Origin : It originates from the lateral epicondyl of the humerus. It lies between Extensor Digitorum and Extensor Carpi Ulnaris and is generally connected to the Extensor Digitorum. 1 Origin; 2 Insertion; 3 Actions; 4 Vascular Supply; 5 Nerve; 6 Clinical Significance; 7 See Also; 8 References; Origin. Insertion. The extensor digiti minimi (also extensor digiti minimi muscle, extensor digiti quinti proprius, latin: musculus extensor digiti minimi) is a slender, superficial muscle of the forearm that belongs to the posterior muscle group and lies in the first or superficial layer.. Review Topic. Origin.