It might be in the middle of the week when you need an active recovery type workout; you can construct and perform a 20 - 30 minute mobility routine. (onnit.com)
A Yoga instructor's personal joint mobility routine will give you 10 minutes of bliss to keep you out of joint pain and feeling great. (sittingsolution.com)
Time allowing, I work them into an evening wind - down mobility routine that I do when — you guessed it — I'm winding down for the day. (wendyfitness.com)