1.   He flexed his hand and stroked a talon across his own forearm.

2.   Still with your arms straight, flex your hands and cross your arms low in front of you, hands together.

3.   He flexed his hands like a conjuror and dived into a lower drawer in his desk.

4.   Mafouz was flexing his hands and making crouching movements as the ball started its slow descent.

5.   Each time the operator moves a finger or flexes a hand, a command to do the same is sent to Robonaut.

6.   White flexed his hands.