Lateral compartment of leg

The lateral compartment of the leg is a fascial compartment of the lower leg. It contains muscles which make eversion and plantarflexion of the foot.

Lateral compartment of leg
Diagram of leg compartments
Dissection video of lateral compartment of leg (1 min 9 sec)
Details
Artery	Fibular artery
Nerve	Superficial fibular nerve
Identifiers
Latin	compartimentum cruris laterale
TA98	A04.7.01.009
TA2	2651
FMA	45185
Anatomical terminology [edit on Wikidata]

Muscles

The lateral compartment of the leg contains:

• Fibularis longus
• Fibularis brevis^[1]

Image	Muscle	Origin	Insertion	Innervation	Main Action
	Fibularis longus	Head and superior two thirds of lateral surface of fibula	Base of 1st metatarsal and medial cuneiform	Superficial fibular nerve (L5, S1, S2)	Everts foot and weakly plantarflexes ankle
	Fibularis brevis	Inferior two thirds of lateral surface of fibula	Dorsal surface of tuberosity on lateral side of base of 5th metatarsal

^[2]

Action

• Foot evertors
• Foot plantarflexion

Nerve supply

The lateral compartment of the leg is supplied by the superficial fibular nerve (superficial peroneal nerve).

Blood supply

Its proximal and distal arterial supply consists of perforating branches of the anterior tibial artery and fibular artery.^[3]

Additional images

• 
  Animation. Fibularis longus (blue) and fibularis brevis (red).

See also

• Fascial compartments of leg