Long extensor of the first digit
Musculus extensor digiti I longus
Extends the second digit and helps flex the tarsus.
About the long extensor of the first digit of the dog
Long extensor of the first digit is a muscle of the back leg (pelvic limb), one on each side of the body. Its name in the Nomina Anatomica Veterinaria is Musculus extensor digiti I longus. Thin muscle deep to the long digital extensor. You can turn it above, see it in place in the back leg of the dog, and open it inside the whole animal in Vetomica.
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
- The fibula, along its front edge from the head to about mid-shaft.
- Insertion
- The second digit and the base of the second metatarsal bone; the first digit when a dewclaw is present.
- Action
- Extends the second digit and helps flex the tarsus.
- Nerve
- Deep 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.
Terminology
- English
- Long extensor of the first digit
- Latin (NAV)
- Musculus extensor digiti I longus
- Status
- A valid term in the Nomina Anatomica Veterinaria
Questions about the long extensor of the first digit
- What is the Latin name of the long extensor of the first digit?
- In the Nomina Anatomica Veterinaria, the long extensor of the first digit is called Musculus extensor digiti I longus.
- Where is the long extensor of the first digit of the dog?
- Long extensor of the first digit is a muscle of the back leg (pelvic limb), one on each side of the body.
- Where does the long extensor of the first digit originate and insert?
- Origin: The fibula, along its front edge from the head to about mid-shaft. Insertion: The second digit and the base of the second metatarsal bone; the first digit when a dewclaw is present.
- What nerve supplies the long extensor of the first digit?
- Deep fibular nerve.
- What does the long extensor of the first digit do?
- Extends the second digit and helps flex the tarsus.
See the long extensor of the first digit inside the whole dog.
Vetomica opens on this structure with every layer of the dog around it: peel back the skin and the muscles, cut a section through it, X-ray it, and practise naming it until you stop getting it wrong.
Free for 7 days, no card. After that the skeletons stay free.
