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Flexor Hallucis Longus Anatomy: Origin, Insertion, Action

(Last Updated On: August 10, 2018)

Muscle Anatomy of the Flexor Hallucis Longus

Origin: Distal two-thirds of the posterior surfaces of the fibula, the adjacent interosseus membrane, the posterior intermuscular septum, and the lateral part of the fascia covering tibialis posterior
Insertion: Plantar aspect of the base of the distal phalanx of the great toe after traveling between the two sesamoids associated with the first metatarsal head
Actions: Flexion of the great toe
Innervation: Tibial nerve (L5, S1, S2 )
Blood Supply: Branches from the posterior tibial artery

Flexor Hallucis Longus Muscle Origin, Insertion, Action, Innervation

Muscle Anatomy: Flexor Hallucis Longus Actions

Primary Actions of the Flexor Hallucis Longus

1. Flexion of the great toe at the interphalangeal joint

  Agonists:

  • None

  Antagonists:

  • Extensor Hallucis Longus

2. Flexion of the great toe at the metatarsophalangeal joint

  Agonists:

  • Flexor Hallucis Brevis

  Antagonists:

  • Extensor Hallucis Longus
  • Extensor Hallucis Brevis

Secondary Actions of the Flexor Hallucis Longus:

1. Assists with plantar flexion of the foot at the ankle

  Agonists:

  • Gastrocnemius
  • Soleus

  Antagonists:

  • Tibialis Anterior

Information about cause and effect of Flexor Hallucis Longus pain:

Flexor Hallucis Longus Muscle Pain and Symptoms

Recommended Anatomy Books:

Anatomy Coloring Book

The Anatomy Coloring Book is one of the best study and reference books for beginning anatomy students. The diagrams are clearly labeled and allow you to see the relationship and placement of the various structures of the body. You will also be surprised how the act of coloring will help with recall. But this is not just a beginners book, it is also great for practitioners and therapists to have on hand to use with clients and patients to use as a visual reference.

Human Muscle Anatomy

The Trail Guide To The Body is another excellent book to help you learn the musculature of the human body. Though the book is geared toward massage therapists and physical therapist assistants, the book with its illustrations and text helps anyone gain a thorough understanding of the human musculoskeletal system and movement. I highly recommend this book for anyone studying anatomy and believe that MTs, PTAs, and teachers of body movements should have this book in their possession. I also highly recommend this book for the lay person who wants to gain understanding of the muscle, skeletal system and how our bodies move. This book will not disappoint!

Basic Clinical Massage Therapy

Out of the scores of books in my office Basic Clinical Massage Therapy is by far the most referenced book in my library. The musculoskeletal system is overlaid on human models allowing you to learn the precise location, origin and insertions of each muscle. The models are pictured in various poses throughout the book which also helps you visualize muscles in motion and their actions relationship with the skeletal structure and other muscles. Though it is written for massage therapists, it is an excellent book for anyone who wants to learn about the muscular system. MT's will benefit from recommended treatments for each muscle.

Muscle Anatomy Flashcards

Musculoskeletal Anatomy Flashcards Are you a student or professional therapist who needs to brush up on the musculoskeletal system? Dr. Joseph E. Muscolino DC has developed a comprehensive set of flashcards that will help develop a mind's picture of exactly where the muscles lie under the skin. A highly recommended study aid for students. Great for non students who want an easy comprehensive anatomy guide.

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