Fibularis tertius
Fibularis tertius | |
---|---|
Details | |
Origin | Distal anterior surface of the fibula also the interosseous membrane |
Insertion | Dorsal surface of the base of the fifth metatarsal bone |
Artery | Anterior tibial artery |
Nerve | Deep fibular nerve |
Actions | Dorsiflexion and eversion of the foot |
Antagonist | Tibialis posterior |
Identifiers | |
Latin | Musculus fibularis tertius |
TA98 | Lua error in Module:Wikidata at line 746: attempt to index field 'wikibase' (a nil value). |
TH | {{#property:P1694}} |
TE | {{#property:P1693}} |
FMA | {{#property:P1402}} |
Anatomical terms of muscle [[[d:Lua error in Module:Wikidata at line 865: attempt to index field 'wikibase' (a nil value).|edit on Wikidata]]] |
The fibularis tertius (also known as the peroneus tertius) is a muscle of the lower limb that is often considered part of the extensor digitorum longus. It is located on the anterior aspect of the leg.
Anatomy[edit | edit source]
The fibularis tertius originates from the distal anterior surface of the fibula and the interosseous membrane. It inserts onto the dorsal surface of the base of the fifth metatarsal bone.
Innervation[edit | edit source]
The muscle is innervated by the deep fibular nerve, which is a branch of the common fibular nerve.
Blood Supply[edit | edit source]
The fibularis tertius receives its blood supply from the anterior tibial artery.
Function[edit | edit source]
The primary actions of the fibularis tertius are dorsiflexion and eversion of the foot. This muscle helps in stabilizing the foot during walking and running.
Clinical Significance[edit | edit source]
The fibularis tertius can be involved in various foot and ankle pathologies. Injury or strain to this muscle can result in pain and difficulty in foot movements.
See Also[edit | edit source]
References[edit | edit source]
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Contributors: Prab R. Tumpati, MD