★ MajorPonto Shu-Riacho (Terra)Ponto Yuan-FontePonto de SedaçãoCautionMembro Superior
Depth
00.3–0.5 cun3.0
Perpendicular insertion
Precautions
Avoid the ulnar artery and the ulnar nerve. The flexion crease for locating this point lies between the radius and ulna on one side and the carpal bones on the other. Use the wrist flexion crease proximal to the pisiform bone.
📍 Location (classical)
On the wrist flexion crease (palmar aspect of the wrist joint, distal wrist crease), radial to the tendon of the flexor carpi ulnaris muscle. On the posterior ulnar aspect of the palm, in the depression at the end of the pointed bone (head of the ulna).
🧭 How to find it (practical)
With the palm facing up, locate the point on the radial border of the pisiform bone, on the wrist crease.
🔬 Anatomy
Skin, subcutaneous tissue, median antebrachial vein, medial cutaneous branch of the forearm, palmar branch of the ulnar nerve, radial to the tendon of the flexor carpi ulnaris muscle.
💉 Needling
Perpendicular insertion, 0.3–0.5 cun.
📜 Etymology
Shen (神), mind; Men (門), gate. The Xin (Heart) houses the mind. This point is the gate to the mind.
