Origin
Fibula, interosseous membrane.
Insertion
5th metatarsal bone.
Blood supply
Anterior tibial artery.
Nerve supply
Deep fibular nerve.
Action
It helps to move the foot upwards and outwards at the ankle joint.
Disease/Injury
Fibularis tertius may be injured suddenly by walking on uneven ground or in any other activity in which the foot gets turned with ankle.
Muscle Exercise
You can do stretching exercises. Sit down with legs straight in front of you. Then with a towel make a loop and place it under the foot, then pull tightly on the inner side of the towel so that ankle rotates inwards. Hold this stretched position for 30 seconds and repeat this 3 to 4 times.
Interesting facts
NA