Quadratus Plantae

Authors
Affiliations

Doctor of Physical Therapy

B.S. in Kinesiology

Doctor of Physical Therapy

B.A. in Neuroscience

Keywords

Flexor accessorius

Figure 1: Intrinsic foot muscles

Schematic of 2nd layer of Plantar Intrinsic Foot Muscles2  1: Quadratus Plantae  2: Lumbricals  3: Flexor Hallucis Brevis  4: Adductor hallucis  5: Flexor digiti minimi  6: Opponens digiti minimi  7: Plantar interossei  8: Dorsal Interossei

Schematic of 2nd layer of Plantar Intrinsic Foot Muscles
1: Quadratus Plantae
2: Lumbricals
3: Flexor Hallucis Brevis
4: Adductor hallucis
5: Flexor digiti minimi
6: Opponens digiti minimi
7: Plantar interossei
8: Dorsal Interossei

2nd and 4th Layers of Intrinsic Plantar Foot Muscles2

2nd and 4th Layers of Intrinsic Plantar Foot Muscles
Reading list
  • Ch70 Intrinsic muscles of the foot
  • Neuman

Overview

Origin

  • Medial borders of calcaneal tuberosity
  • Plantar borders of calcaneal tuberosity

Insertion

Lateral border of tendons of FDL

Innervation

Lateral Plantar N. (S1, S2, S3)

Action

Redirects/augments pull of FDL

MMT

1.
Betts JG, Blaker W. Anatomy and Physiology. 2nd ed. OpenStax; 2022. https://openstax.org/details/books/anatomy-and-physiology-2e/?Book%20details
2.
Gilroy AM, MacPherson BR, Wikenheiser JC, Voll MM, Wesker K, Schünke M, eds. Atlas of Anatomy. 4th ed. Thieme; 2020.
3.
Donnelly JM, Simons DG, eds. Travell, Simons & Simons’ Myofascial Pain and Dysfunction: The Trigger Point Manual. Third edition. Wolters Kluwer Health; 2019.
4.
Neumann DA, Kelly ER, Kiefer CL, Martens K, Grosz CM. Kinesiology of the Musculoskeletal System: Foundations for Rehabilitation. 3rd ed. Elsevier; 2017.

Citation

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