The extensor digitorum muscle extends your fingers.
If it gets too tight or develops trigger points, you can feel pain at your forearm and elbow.
People that suffer from problems in this muscle are usually involved in work that requires lots of finger and hand activity – e.g. musicians and craftsmen –.
Fortunately, with the right tools those issues can be fixed pretty quick. Self-massage is a brilliant option and more accessible than most people imagine.
On this page you will learn about this muscles’ insertions, functions, pain zones, overload movements and impaired movements.
Furthermore, I will guide you through the palpation and self-massage of this muscle.
If this muscle contains trigger points, it can send pain down your entire forearm, to the back of your hand and your 3rd – 4th finger.
Furthermore, your finger joints might feel sore if it is overworked.
Additionally, it is possible that you experience pain at the lateral epicondyle of your humerus, which often feels like a tennis elbow ache.
Last but not least, this muscle can send pain to the inner side of your wrist right below your thumb – not shown in the picture –.
The deeper the red in the pictures displayed below, the more common it is to experience pain in the corresponding area if this muscle harbors trigger points.