Flexor Carpi Ulnaris (FCU)

Authors
Affiliations

Nate Yomogida, B.S., SPT

Doctor of Physical Therapy

B.S. in Kinesiology

Chloë Kerstein, B.S., SPT

Doctor of Physical Therapy

B.A. in Neuroscience

Figure 1: Left Humerus (Anterior view)
Figure 2: Left Humerus (Posterior view)
Figure 3: Muscles that move the Forearm

Mucous sheaths of the tendons of the wrist and digits1

Mucous sheaths of the tendons of the wrist and digits

Transverse section of distal forearm1

Transverse section of distal forearm

Palmar aponeurosis1

Palmar aponeurosis

Muscles of the thumb1

Muscles of the thumb

Palmar muscles of the hand (left)1

Palmar muscles of the hand (left)
Reading list
  • Wrist and finger flexor Muscles
  • MMT

Origin

  • Humeral head: Medial epicondyle of Humerus
  • Ulnar head: Olecranon of Ulna

Insertion

  • Pisiform
  • Hook of hamate
  • Base of 5th metacarpal

Innervation

Ulnar N. (C7, C8, T1)

Action

Wrist: Flexion, Ulnar deviation

Notes

1.
Gray H. Anatomy of the Human Body. 20th ed. (Lewis WH, ed.). Lea & Febiger; 1918. https://www.bartleby.com/107/
2.
Betts JG, Blaker W. Anatomy and Physiology. 2nd ed. OpenStax; 2022. https://openstax.org/details/books/anatomy-and-physiology-2e/?Book%20details
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.
5.
Weinstock D. NeuroKinetic Therapy: An Innovative Approach to Manual Muscle Testing. North Atlantic Books; 2010.
6.
Gilroy AM, MacPherson BR, Wikenheiser JC, Voll MM, Wesker K, Schünke M, eds. Atlas of Anatomy. 4th ed. Thieme; 2020.

Citation

For attribution, please cite this work as: