Anterior Interosseous Nerve
Description
Name
- Anterior Interosseous Nerve (AIN)
- Volar Interosseous Nerve
- Anterior Interosseous Branch of the Median Nerve
General
- Branch of the Median Nerve
- Supplies deep muscles of the anterior forearm
Anatomic Course
- Arises from the median nerve in the proximal forearm
- Between the two heads of the pronator teres
- Descends down the forearm, between flexor pollicis longus and flexor digitorum profundus
- Accompanied by anterior interosseous artery
- At the wrist, passes deep to pronator quadratus
- Here it terminates as small sensory branches
Sensory Function
- Terminal articular branches contribute to:
Motor Functions
- Supplies the Deep Compartment of the Anterior Forearm
- Flexor Pollicis Longus
- Lateral half of Flexor Digitorum Profundus
- Pronator Quadratus
Clinical Significance
See Also
- Nerve Anatomy Main
- Forearm Pain Main
- Wrist Pain Main
- Physical Exam Wrist
- Hand and Wrist Anatomy Main
References
- ↑ Ankolekar, Vrinda H., Mamatha Hosapatna, and Anne Dsouza. "Locating the anterior interosseous nerve in relation to the surgically relevant landmarks of the forearm: A cadaveric study." Annals of Medicine and Surgery 71 (2021).
- ↑ Goyal, Manu, et al. "The strain–Counter strain technique in the management of anterior interosseous nerve syndrome: A case report." Journal of Taibah University Medical Sciences 12.1 (2017): 70-74.