Artery ulnar artery Dorlands
/Elsevier h_23/12440437 | Latin eminentia hypothenaris | |
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Insertion 5th metacarpal and proximal phalynx Nerve deep branch of ulnar nerve Actions control movement of the 5th digit | ||
The hypothenar muscles are a group of three muscles of the palm that control the motion of the little finger.
Contents
The three muscles are:
Structure
The muscles of hypothenar eminence are from lateral to medial:
The intrinsic muscles of hand can be remembered using the mnemonic, "A OF A OF A" for, Abductor pollicis brevis, Opponens pollicis, Flexor pollicis brevis, Adductor pollicis (thenar muscles), Opponens digiti minimi, Flexor digiti minimi, Abductor digiti minimi (Hypothenar muscles).
Clinical significance
"Hypothenar atrophy" is associated with the lesion of the ulnar nerve, which supplies the three hypothenar muscles.
Hypothenar hammer syndrome is a vascular occlusion of this region.
References
Hypothenar eminence Wikipedia(Text) CC BY-SA