Use "wrist joint" in a sentence

1. Ensure that their forearm is firmly strapped in and their wrist joint is aligned with the hinge of the device

2. Ensure that your forearm is firmly strapped in and your wrist joint is aligned with the hinge of the device

3. Place a weight over their wrist joint

4. Tape a cup in their hand and tape a flexible straw to the dorsal surface of their forearm with the joint of the straw aligned with their wrist joint