No playback options in fitness +?!

There is apparently no way to “fast forward” or “rewind” once you start a workout in fitness +, which is INCREDIBLY inconvenient when the device loses connection or the Internet drops or whatever in the middle of you workout there is no way to jump back in where you left off ... you have to start all over again!!?? this seems like it would be simple to implement and a no-brainer in terms of UX?... can anyone help?