To stretch the ulnar side of your wrist, turn your palm up and move your wrist into ulnar deviation, which means moving it towards your body. This motion will create a stretch along the ulnar (pinky finger) side of your wrist.
To stretch the ulnar side of your wrist, turn your palm up and move your wrist into ulnar deviation, which means moving it towards your body. This motion will create a stretch along the ulnar (pinky finger) side of your wrist.