Hand: End part of the arm, consisting of the wrist joint, palm, thumb, and fingers.

手：指臂的末端，由腕关节、手掌、拇指和手指构成。

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Numbness of carpal tunnel syndrome is caused by the index finger and middle finger and thumb muscle weakness, activity, and along with the wrist pain with the palm of your hand feels obstacle.

腕管综合征常引起食指与中指麻木，拇指肌肉无力，活动不自如，并伴随手腕部的疼痛与手掌感觉障碍。

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The right hand is extended, thumb up and palm flat.

右手伸出，大拇指朝上，手掌摊平。

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Hold one of your hands up, palm out, and cross your thumb over it.

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And the body length, which was once tailored to hit at the end of the thumb, has now inched up to the palm.

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An active palm rest rounds out the modules, with a thumb-wheel and additional action button -- it's joined by a pair of (yet again) adjustable wrist rests that anchor along the bottom edge.

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