Abductor Digiti Minimi (Hand)
Original Editor - Nikhil Benhur Abburi
Top Contributors - Nikhil Benhur Abburi, Kim Jackson and Wendy Snyders
Description[edit | edit source]
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Abductor digiti minimi[1]
It is a small muscle situated on the ulnar border of the hand forming the hypothenar eminence
Origin[edit | edit source]
Pisiform and tendon of flexor carpi ulnaris, pisohamate ligament
Insertion[edit | edit source]
Ulnar side of base of proximal phalanx of little finger
Nerve[edit | edit source]
Ulnar nerve (C8, T1)
Artery[edit | edit source]
Ulnar artery
Function[edit | edit source]
Abucts the little finger(5th)
Clinical relevance[edit | edit source]
In rare conditions the abductor digiti minimi may have two fascicles[2] passing on ulnar nerve which may cause entrapment[3]
Assessment[edit | edit source]
Patients forearm in supination, wrist in neutral and instruct the patient to spread his/her fingers. hold them and don't allow to open up
Resources[edit | edit source]
- ↑ https://commons.wikimedia.org/wiki/File:Musculus_abductor_digiti_minimi_(Hand).png
- ↑ J R Sanudo, R M Mirapeix, and B Ferreira. A rare anomaly of abductor digiti minimi. Journal of anatomy 1993 Jun; 182(Pt 3): 439–442.
- ↑ Horst Claassen,Oliver Schmitt,Marko Schulze &Andrew Wree. Variation in the hypothenar muscles and its impact on ulnar tunnel syndrome Surgical and Radiologic Anatomy volume 35, pages 893–899(2013)
- ↑ My rehab patient. Abductor digiti minimi control. Available from: https://www.youtube.com/watch?v=15ojdmKkueM [last accessed 31/3/2020]
- ↑ My rehab patient. Abductor digiti minimi resistance Available from: https://www.youtube.com/watch?v=S0aHLPfcDtY [last accessed 31/3/2020]
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