Hypothenar eminence

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Hypothenar eminence
The mucous sheaths of the tendons on the front of the wrist and digits. (Hypothenar eminence labeled at center right.)
Transverse section across the wrist and digits. (Muscles of little finger labeled at upper right.)
Latin	eminentia hypothenaris
Gray's	subject #126 546
Origin
Insertion	little finger
Artery:	ulnar artery
Nerve:	deep branch of ulnar nerve
Action:	control movement of the little finger
Dorlands /Elsevier	h_23/12440437

Hypothenar refers to a group of three muscles of the palm that control the motion of the little finger.

The three muscles are:

• Abductor digiti minimi
• Flexor digiti minimi
• Opponens digiti minimi

Disorders

"Hypothenar atrophy" is associated with the lesion of the ulnar nerve.

"Hypothenar hammer syndrome" is a common vascular occlusion.

See also

• Thenar eminence
• Palmaris brevis

External links

• -1214644166 at GPnotebook
• EatonHand mus-083
• SUNY Figs 08:04-07
• Slides
• thenar and hypothenar muscles (deep)
• thenar and hypothenar muscles (superficial)
• ORT198 at FPnotebook -- Hypothenar Hammer Syndrome

v • d • e List of muscles of upper limbs
VERTEBRAL COLUMN	trapezius - latissimus dorsi - rhomboid (major, minor) - levator scapulae
THORACIC WALLS	pectoralis major - pectoralis minor - subclavius - serratus anterior
SHOULDER	deltoid - rotator cuff (supraspinatus, infraspinatus, teres minor, subscapularis) - teres major
ARM	anterior compartment: coracobrachialis - biceps brachii - brachialis posterior compartment: triceps brachii - anconeus
FOREARM	anterior compartment: superf. - pronator teres - palmaris longus - flexor carpi radialis - flexor carpi ulnaris - flexor digitorum superficialis anterior compartment: deep - pronator quadratus - flexor digitorum profundus - flexor pollicis longus posterior compartment: superf. - mobile wad (brachioradialis, extensor carpi radialis longus and brevis) - extensor digitorum, - extensor digiti minimi - extensor carpi ulnaris posterior compartment: deep - supinator - anatomical snuff box (abductor pollicis longus, extensor pollicis brevis, extensor pollicis longus) - extensor indicis
HAND	lateral volar - thenar (opponens pollicis, flexor pollicis brevis, abductor pollicis brevis) - adductor pollicis medial volar - hypothenar (opponens digiti minimi, flexor digiti minimi brevis, abductor minimi digiti) - palmaris brevis intermediate - lumbrical - interossei (dorsal, palmar)

de:Hypothenar

fr:Hypothénar hu:Kisujjpárnasv:Hypotenar

Acknowledgement and Attribution Regarding Sources of Content

Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .