tardigrade \TAHR-di-greyd\, adjective:
1. Slow in pace or movement.
2. Belonging or pertaining to the phylum Tardigrada.
noun:
1. Also called bear animalcule, water bear. Any microscopic, chiefly herbivorous invertebrate of the phylum Tardigrada, living in water, on mosses, lichens, etc.

Well we do so hope that my Osteopath continues with the dynamic work of  realigning my errant nerves to reduce the pain  forever :-)