Flexor Hallucis Longus - Muscle Physiology & Functional Anatomy

 

Flexor Hallucis Longus

Anatomy

 

Origin:

  • Lower 2/3 of the posterior fibula (between median crest & posterior border, lower intermuscular septum & aponeurosis of flexor digitorum longus)

Insertion

  • Base of distal phalanx of big toe and slips to medial two tendons of flexor digitorum longus



Major Artery:

  • Peroneal artery (peroneal branch of the posterior tibial artery)

 

Neural Innervation:

  • Tibial nerve (S2-S3)

 

Trigger Points: 

 

Physiology

 

Concentric Functions:

  • Flexes distal phalanx of big toe,

  • Flexes foot at ankle

  • Supports medial longitudinal arch

Eccentric Functions:


Isometric Function:


Related Muscles


Antagonist:


Exercises:

 

 


More Images of the Flexor Hallucis Longus Muscle

 


More Information about the Flexor Hallucis Longus Muscle

The flexor hallucis longus muscle

 

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