The deep branch (ramus profundus; muscular branch) accompanies the lateral plantar artery on the deep surface of the tendons of the Flexor muscles and the Adductor hallucis, and supplies all the Interossei (except those in the fourth metatarsal space), the second, third, and fourth Lumbricales, and the Adductor hallucis.
![[足底外侧神经]深支 - <i>Ramus profundus</i>](/i/s/imaios-images/web/imaios/icons/e-anatomy_icon.jpg?&w=52&h=52){kind=icon}
