Lateral digital extensor
Musculus extensor digitorum lateralis
Extends the fifth digit.
- System
- Muscle
- Region
- Thoracic limb
- Sides
- Paired: left and right
Where it runs from and to
A muscle is told apart from its neighbours by what it takes hold of at each end, which is also what decides what it does when it shortens.
- Origin
- Proximal third of the lateral fibula.
- Insertion
- Fifth digit, where its tendon fuses with the long digital extensor branch.
- Action
- Extends the fifth digit.
- Nerve
- Superficial fibular nerve.
Written for Vetomica in its own words from the standard reference anatomy of the dog; the books it was checked against are listed below.
What it works on
Between common digital extensor and ulnaris lateralis.
Bones it takes hold of
Muscles and ligaments it works with
- Common digital extensor
- Extensor carpi ulnaris
- Extensor digiti 1 et 2
- Anconeus
- Lateral digital extensor tendons
Terminology
- English
- Lateral digital extensor
- Latin (NAV)
- Musculus extensor digitorum lateralis
- Status
- A valid term in the Nomina Anatomica Veterinaria
References
Where to read this structure in full, and where the named parts above were read.
- NAV 2017Myologia: musculi membri thoracici
- Miller's Anatomy of the Dog, 5th ed.The Muscular System: muscles of the thoracic limb
- König & LiebichMuscles of the thoracic limb
- Dyce, Sack & WensingThe forelimb of the carnivores
Read next
- HumerusMeets it
- RadiusMeets it
- UlnaMeets it
- Accessory carpal boneSame region
- Acromial part of the deltoidSame region
- Biceps muscle of the armSame region
- Brachial muscleSame region
- Common digital extensorSame region
- Intermedioradial carpal boneSame region
- Long abductor of digit ISame region
- Major teres muscleSame region
- Medial head of the tricepsSame region