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Quadratus Plantae Muscle Anatomy: Origin, Insertion, Action, Innervation

Quadratus Plantae Anatomy Study: Origin, Insertion, Action and Innervation

The quadratus plantae anatomy
Origin: Lateral head: attaches to the lateral side of the calcaneus and to the long plantar ligament
Medial Head: attaches to the medial surface of the calcaneus
Insertion: Attaches into the dorsal and plantar surface of the tendons of the flexor digitorum longus.
Action: Assists Flexor digitorum longus in flexion of DIP joints
Innervation: Lateral plantar nerve (S1, 2)
Blood Supply: Branches of the posterior tibial  artery

Synergist: Flexor digitorum longus, Flexor digitorum brevis, Lumbricals, Interossei

Primary Action of the quadratus plantae:

1. The quadratus plantae does not have a primary action

Secondary Action of the quadratus plantae:

2. Flexion of the 2nd – 4th toes

  • Agonists: Flexor Digitorum Longus and Brevis, Lumbricals, Interossei
  • Antagonists: Extensor Hallucis Longus, Extensor Hallucis Brevis

For Pain and Symtom Information See:  Quadratus Plantae Muscle: Heel Pain

Anatomy Books Specializing in the Feet
McMinn’s Color Atlas of Foot and Ankle Anatomy is a very good foot anatomy for students who need more than the very basics. The book filled with images including x-rays, images of the anatomy with cadavers, and live human models. I recommend this book not only to students but to medical professionals for the clear anatomical photos that are useful with patients. I also highly recommend this book for to massage therapists, personal and athletic trainers as it helps you develop the mind’s eye view of the soft tissues and bones that you will be treating. Also available in a Kindle Edition.

McMinn’s Color Atlas of Foot and Ankle Anatomy [Kindle Edition]


The Trigger Point Therapy Workbook – Claire Davies, Amber Davies, and David G. Simons

Basic Clinical Massage Therapy: Integrating Anatomy and Treatment – James H. Clay and David M. Pounds

Trigger Point Therapy for Myofascial Pain – Donna Finando and Steven Finando

Massage Therapy Principles and Practice – Susan Salvo

Theory & Practice of Therapeutic Massage – Mark Beck

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