<prompt> All of the following are the contents of second layer of sole except:-Flexor hallucis longusFlexor digitorum longusFlexor digitorum accessoriusFlexor hallucis brevis  <response>: Second layer of sole consist of two extrinsic tendons flexor hallucis longus flexor digitorum longus and two intrinsic muscles flexor digitorum accessorius four lumbricals. Flexor hallucis brevis is the muscle of third layer. 