在前臂前侧，腕掌侧横纹上3寸，掌长肌腱与桡侧腕屈肌腱之间。

注1：握拳，腕旋后，微屈肘时，显现两肌腱。间使穴在大陵(PC7)直上3寸，两肌腱之间。

注2：若两手的一侧或双侧摸不到掌长肌腱，则以桡侧腕屈肌腱尺侧定穴。

On the anterior aspect of the forearm, between the tendons of the palmaris longus and the flexor carpi radialis, 3 B-cun proximal to the palmar wrist crease.

Note 1: With the fist clenched, the wrist supinated and the elbow slightly flexed, the two tendons become more prominent. PC 5 is located 3 B-cun proximal to PC 7.

Note 2: If the palmaris longus tendon is not present, PC 5 is medial to the flexor carpi radialis tendon.

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