As you get more flight time in , you'll start noticing .
You'll make slight heading adjustment with the rudder
when atttempting to make a straight path over the landing strip or
make your truns purdier.
Your instructor is probably just breaking you in a little bit at a time
to keep it simple at first.

As one someone had mentioned stall truns or hammer heads is
a simple trunaround manuver you can practice to bring the left thumb
back to life, by using throttle and rudder.