Long abductor of the first digit
Musculus abductor digiti I longus
Abducts and extends the first 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
- Lateral surface of the ulnar shaft, the dorsal surface of the radius and the interosseous membrane between them.
- Insertion
- Medial side of the base of the first metacarpal bone; a sesamoid bone lies in its tendon at the carpus.
- Action
- Abducts and extends the first digit.
- Nerve
- Radial nerve, deep branch.
Written for Vetomica in its own words from the standard reference anatomy of the cat; the books it was checked against are listed below.
Terminology
- English
- Long abductor of the first digit
- Latin (NAV)
- Musculus abductor digiti I longus
- Status
- A valid term in the Nomina Anatomica Veterinaria
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- Intermedioradial carpal boneSame region
- Radial flexor of the carpusSame region
- RadiusSame region
- Round pronator muscleSame region
- ScapulaSame region