Gesture: Hold one hand in front of you, palm forwards, and swivel your wrist.

手势：举起一只手，手掌朝前，转动手腕。

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You should hold your arm and wrist straight. If you don't have a solid wrist, you will never be able to control the ball.

你应该保持胳膊和手腕笔直。如果手腕不稳固，你就没法控制球。

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Hold the front of the fingers with the other hand. Keeping fingers straight, bend the wrist back until a definite gentle stretch is felt in the forearm and wrist.

另一只手握住该手手指并向手背方向伸展，直到前臂和腕部有适度的牵张感。

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Imagine instead an iPad that you can fold in your pocket, recharge almost never and hold with one hand without wrist strain.

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However, we can say that the form factor does cause you to move your hand and wrist quite a bit as well as hold the mouse in a much more natural and laid-back position.

ENGADGET: Smartfish Whirl Mini Notebook Laser Mouse review, now on sale for $50

During a nostalgic weekend, Kevin Schwantz was on hand to regale us with the inside story of his final career victory here in 1994, when he had to hold the throttle open down the straights with his left hand - despite a dislocated wrist - just to shake some feeling back into his fractured right hand.

BBC: Matt Roberts' MotoGP column