
Origin: Anterior shaft of radius; interosseous membrane
Insertion: Base of distal phalanx of thumb
Action: Flexion at joints at thumb
Image © 2024 Martijn Froeling. Licensed under the 3-Clause BSD License.

Image © 2024 Martijn Froeling

Image © 2024 Martijn Froeling

Image © 2024 Martijn Froeling