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
Arteryfibular artery
Nervesuperficial fibular nerve
Identifiers
Latincompartimentum cruris laterale
TA98A04.7.01.009
TA22651
FMA45185
Anatomical terminology

Muscles

The lateral compartment of the leg contains:

ImageMuscleOriginInsertionInnervationMain Action
Fibularis longusHead and superior two thirds of lateral surface of fibulaBase of 1st metatarsal and medial cuneiformSuperficial fibular nerve
(L5, S1, S2)		Everts foot and weakly plantarflexes ankle
Fibularis brevisInferior two thirds of lateral surface of fibulaDorsal surface of tuberosity on lateral side of base of 5th metatarsal

[2]

Action

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

References
  1. latleg at The Anatomy Lesson by Wesley Norman (Georgetown University)
  2. Moore, Dally, and Agur (2014). Moore Clinically Oriented Anatomy, Table 5.10, p 591.
  3. Khan, Irfan A.; Mahabadi, Navid; D’Abarno, Anthony; Varacallo, Matthew (2020). "Anatomy, Bony Pelvis and Lower Limb, Leg Lateral Compartment". StatPearls. StatPearls Publishing. PMID 30137811. Retrieved 20 October 2020.
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