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。

youdao

Start by holding a small amount of the cable with your thumb and/or middle finger. Then, with your other hand, begin wrapping the cable in a figure-8 between your pinky and index fingers.

开始先用拇指和中指捏一段线在手里，然后，用另一只手把线绕在食指和小拇指上，成8字形。

youdao

Thee greater level of testosterone, shown by the ring finger being longer than the index, means someone is likely to be a better athlete.

无名指相对于食指越长，表示睾酮激素水平越高，人们就越可能擅长运动。羝。

youdao

With a virtual 6 x 9 inch color VGA display, a small joy stick and mouse buttons operable by the index finger when using the phone during a conversation the StarTac phone provided the ability to viewed shared subject matter, photos or documents while talking, 15 years ago.

FORBES: The Cyber Display Telephone

They also estimated the students' exposure to the hormone before they were born by measuring the ratios of their index fingers to their ring fingers (a long ring finger indicates high testosterone exposure) and by measuring how accurately they could determine human emotions by observing only people's eyes, which also correlates with prenatal exposure to testosterone.

ECONOMIST: Women, testosterone and finance