To build upon the ankle plantar flexion stretch that I shared earlier, here is a short routine of 3 mobility exericses that I enjoy doing to improve ankle mobility:

Ankle Raises While on Balls of Feet:

Ankle raises are excellent for strengthening your calf muscles and Achilles tendon, and for warming up all of the soft tissues that surround your ankle joints. Ankle raises are also helpful for developing balance and proprioception. Read more

This is a simple exercise band routine that I've found immensely helpful for liberating chronically stiff shoulders.

The movement shown toward the end of the video where the arm is in a back-scratching position is especially helpful to those who have a history of experiencing pain in the shoulders while using the arms overhead. Read more