Active recovery is ideal to use in between intense training days. Whilst the muscles repair, the recovery time is put to good use by engaging in light activities that promote fitness in some small way.
It is an ideal opportunity to improve in neglected areas such as flexibility, motor skills, balance, core work etc. It may also be the opportunity to just get out and undertake long walks, swimming or some other form of outdoor activity. The activities help you keep active, loosen tightened muscles, and help get rid of lactic acid, whilst still burning calories. This can be a great way to prepare the body for future training sessions whilst speeding up the recovery process.