This video is a continuation of the previous video which dealt with layers 1 and 2 of the foot. In this video, we will learn about layers 3 and 4 of the foot as well as their innervation. 0:00 layer 3 0:50 flexor hallucis brevis 2:10 flexor digiti quinti 2:31 adductor hallucis 4:07 layer 4 4:30 plantar interossei 6:13 dorsal interossei 8:12 review 9:06 innervation