To perform the Forearm stretch safely, please follow these steps:
Push your left arm out in front of you with your palm facing forward
Lock your elbow to keep the arm straight
With your other hand pull your fingers back towards you
Hold this position for 30 seconds then swap using your right arm
Alternatives
Tips
To perform the Forearm stretch correctly, here are a few tips to help you:
Make sure you lock your elbow to keep the arm straight
You can also do this stretch by pushing your fingers against a wall if you don't have the strength in your other hand, if you do this, make sure you can bend enough at the wrist to make the stretch effective - if you can't feel it, it's not stretching