Mouse Hand Symptoms

Jul 07, 2022 Source: Cainiu Health

Dr. Xu Ge

Introduction

Carpal tunnel syndrome—also known as “mouse hand”—typically presents with the following three symptoms: numbness and swelling in the finger joints; pain in the finger joints during nighttime rest; and thickened, callus-like skin over the right wrist joint. Carpal tunnel syndrome is not a terminal illness. Upon noticing any of the above symptoms, avoid using unguided interventions such as blind needle puncture, acupuncture, or incision.

“Mouse hand,” also known as carpal tunnel syndrome (CTS), is primarily caused by compression of the median nerve within the carpal tunnel at the wrist, leading to numbness and functional impairment in the hand. Typically, patients experience the following three symptoms:

1. Numbness and swelling in the finger joints: Patients often report marked stiffness when moving their fingers. Tapping on a keyboard may feel particularly stiff in the finger joints. In severe cases, gripping or holding objects becomes noticeably difficult, and items may even slip from the fingers and fall to the ground.

2. Pain in the finger joints during nighttime rest: This pain may sometimes radiate. Thumb abduction strength weakens progressively; in advanced cases, significant muscle atrophy may occur, and tactile sensation in the hand becomes markedly diminished.

3. A callus-like thickening of skin over the right wrist joint: This appears as a distinct protrusion. Initially, patients may experience no pain; however, with continued friction and wear, wrist pain progressively worsens, eventually impairing wrist mobility.

Carpal tunnel syndrome is not an incurable disease. Therefore, upon noticing the above symptoms, there is no need for excessive anxiety—especially avoid unguided interventions such as blind acupuncture, needle insertion, or incisional procedures targeting the affected area. Instead, prompt consultation with a qualified physician at a reputable medical facility is essential for accurate diagnosis and appropriate treatment.

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What Causes Arm Soreness?

Arm soreness is initially attributed to overuse injury, wherein the soft tissues—such as muscles surrounding the joints—become strained, leading to pain. Secondly, rheumatic arthritis and rheumatoid arthritis should be considered. In rheumatoid arthritis, pain is often migratory, with an uncertain location, accompanied by swelling, stiffness, and tenderness—commonly affecting the wrist joint, a condition colloquially known as “mouse hand.”

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The precise location and function of the Yuji acupoint

The precise location and functions of the Yuji (LU10) acupoint include treatment for infantile malnutrition (gan disorder), cough, and fever. Located at the midpoint of the first metacarpal bone on the radial side, at the junction between red and white tissue on the lateral aspect of the hand, it belongs to the Lung Meridian of Hand-Taiyin. Massaging the Yuji point can treat "mouse hand" and is primarily used for conditions involving lung heat. The point lies on the lateral side of the hand, at the midpoint along the radial border of the first metacarpal bone, at the boundary between the red and white flesh.