What is the action of the extensor digitorum longus?
What is the action of the extensor digitorum longus?
Function. The primary action of the extensor digitorum longus is to extend the lateral four toes at metatarsophalangeal joint.
What is the insertion of the muscle extensor digitorum longus?
The extensor digitorum longus muscle extends down the front of the shin, passes the ankle joint, and inserts onto the middle and distal parts of the toe bones.
What muscle starts with an A?
Ear
| Muscle | Origin | Nerve |
|---|---|---|
| Auriculares | ||
| auricularis anterior | temporal fascia | facial nerve [CNVII] |
| auricularis superior | epicranial aponeurosis | |
| auricularis posterior | mastoid process of temporal bone, tendon of sternocleidomastoid |
What is the insertion of the flexor digitorum longus?
Flexor digitorum longus muscle
| Origin | Posterior surface of tibia (inferior to soleal line) |
|---|---|
| Insertion | Bases of distal phalanges of digits 2-5 |
| Action | Metatarsophalangeal and interphalangeal joints 2-5: toe flexion Talocrural joint: foot plantar flexion Subtalar joint: foot inversion |
| Innervation | Tibial nerve (L5, S1, S2) |
What does digitorum mean?
of the fingers or toes
/ˌdɪdʒ.ɪˈtɔː.rəm/ a Latin word meaning “of the fingers or toes,” used in the medical names and descriptions of some muscles. SMART Vocabulary: related words and phrases. The hand.
What is the extensor digitorum?
The extensor digitorum communis is a superficial extensor muscle located in the posterior compartment of the forearm. It shares a common synovial tendon sheaths along with other extensor muscles which helps to reduce friction between the tendon and the surrounding structures.
What is the origin of extensor digitorum longus?
| Extensor digitorum longus muscle | |
|---|---|
| Origin | Anterior lateral condyle of tibia, anterior shaft of fibula and superior 3⁄4 of interosseous membrane |
| Insertion | Dorsal surface; middle and distal phalanges of lateral four digits |
| Artery | anterior tibial artery |
| Nerve | deep fibular nerve |
What muscle starts with P?
The first thing you need to know about your piriformis muscle is that it is located in your buttock. More specifically, the muscle starts in your lower spine and passes through your greater sciatic notch.
What does the term longus mean?
long
a Latin word meaning “long,” used in the medical names and descriptions of some muscles.
What does digitorum mean in anatomy?
a Latin word meaning “of the fingers or toes,” used in the medical names and descriptions of some muscles.
