Finger Flexibility Exercise for Better Mobility Typing, texting, and constant phone use can make our fingers stiff over time, especially if you have arthritis or use your hands daily for repetitive tasks. The Stretch-and-Flex Technique: Start With One Hand: Extend your hand and fingers fully. Stretch Each Finger: Gently hyperextend each finger by pulling it backward (don't overdo it—just enough to feel a stretch). Focus on all fingers, including your thumb, as it gets the most use. Hold the Stre