ST-38 - Ribbon Opening
条口 - Tiáo kǒu
Point Region: Shin
ST-38 Tiaokou, meaning 'Lines Opening,' is a point that benefits the shoulder and activates the channel. Located on the leg, it is a key point for addressing a wide range of issues that are caused by stagnation or excess heat in the arm. Its name, 'Lines Opening,' alludes to its ability to bring a sense of order and harmony to the body's entire system.
Think of Tiaokou as a point that helps to 'open the lines' of your arm. It's invaluable for addressing issues like shoulder pain, a feeling of 'stuckness' in the arm, and a restless spirit. By benefiting the shoulder and activating the channel, it helps to restore a sense of ease and freedom.
By benefiting the shoulder and activating the channel, ST-38 helps to restore a sense of balance and inner peace. It's a point that reminds us that our true power comes from a well-regulated and harmonious body.
Location & How to Find
Anatomical Location: On the anterior aspect of the leg, 8 cun below the patella and one finger-breadth lateral to the tibia's anterior crest.
How to Locate:
- Find the bottom of your kneecap
- Measure 8 finger-widths straight down from the kneecap
- Move 1 finger-width toward the outside of your leg from the shin bone
- The point is in the muscle next to your shin bone

Primary Functions
Musculoskeletal System
- Treats shoulder pain and frozen shoulder
- Relieves lower leg muscle tension and pain
- Improves leg mobility and function
- Treats muscle cramps and spasms
Digestive System
- Harmonizes stomach qi affecting limb function
- Treats digestive weakness affecting mobility
Nervous System
- Treats nerve pain and numbness in leg
- Relieves sciatic nerve irritation
- Improves nerve conduction and sensation
Circulatory System
- Improves circulation in lower leg
- Reduces swelling and inflammation
Clinical Applications
Primary Indications
- Shoulder pain
- Leg weakness
- Limb numbness
- Difficulty standing
- Difficulty walking
- Arm pain
- Leg pain
- Motor problems
Related Health Concerns
Common Conditions:
Related Acupoints
Select a point to learn about its location, primary functions, clinical applications, and protocols.
ST-38 Protocols
N/A
Important Precautions
- Recent leg surgery
- Severe leg fracture
- Acute muscle tears