Radial nerve motor recovery, as measured by activity of the extensors of the wrist, fingers, and thumb, was M3-M4 in 42% of patients, M2-M3 in 38% of patients, and M1-M2 in 20% of patients.

The motor nervous system of Astropecten irregularis, lodged within the mesothelial linings of the coelomic body cavities, has a bilateral and metameric arrangement in conformity with the longitudinal ...