the activity of exerting your muscles in various ways to keep fit
put to use
carry out or practice; as of jobs and professions
the posterior part of a human (or animal) body from the neck to the end of the spine
at or to or toward the back or rear
related to or located at the back
in or to or toward a past time
the side that goes last or is not normally seen
be behind; approve of
travel backward
