palmar interossei | definition

muscles that abduct and flex each finger at the metacarpophalangeal joints and extend each finger at the interphalangeal joints


Betts, J. G., Young, K. A., Wise, J. A., Johnson, E., Poe, B., Kruse, D. H., … DeSaix, P. (n.d.). Anatomy and Physiology. Houston, Texas: OpenStax. Access for free at: