Martial artists and fighters often target specific weak points on the human body to gain an advantage in competition or self-defence scenarios. Understanding these points involves knowledge of anatomy, biomechanics, and the effects of strikes or pressure applications on the body. Here’s a detailed description of the weak points and pressure points commonly targeted:

Weak Points and Pressure Points on the Human Body

1. Eyes

   • Location: Eye sockets (orbitals)
   • Targeting: Strikes can cause temporary blindness or intense pain. Targeted by pokes, jabs, or strikes.
   • Biomechanical Disadvantage: Blinding pain or vision impairment disrupts balance and coordination.

2. Nose

   • Location: Nasal bridge and cartilage
   • Targeting: Strikes (e.g., palm strikes or punches) can cause significant pain and potentially break the nose.
   • Biomechanical Disadvantage: Pain and potential bleeding impair breathing and vision, affecting combat effectiveness.

3. Jaw/Chin

   • Location: Mandible (lower jaw)
   • Targeting: Strikes to the chin (e.g., hooks or uppercuts) can disrupt the brain, leading to knockouts.
   • Biomechanical Disadvantage: Impact causes the head to snap back, leading to concussions or disorientation.

4. Temples

   • Location: Lateral sides of the forehead, just above the cheekbone
   • Targeting: Strikes or pressure can disrupt cerebral function.
   • Biomechanical Disadvantage: Impact here can cause dizziness, confusion, or loss of consciousness.

5. Throat (Adams Apple)

   • Location: Centre of the neck
   • Targeting: Strikes or pressure (e.g., with the edge of the hand or fingers) can damage the larynx.
   • Biomechanical Disadvantage: Damage to the throat can impair breathing and cause extreme pain, which may incapacitate the attacker.

6. Solar Plexus

   • Location: Area just below the sternum
   • Targeting: Strikes can disrupt the diaphragm and cause difficulty in breathing.
   • Biomechanical Disadvantage: Pain and difficulty breathing can lead to immediate incapacitation.

7. Ribs

   • Location: Rib cage
   • Targeting: Strikes (e.g., with elbows or fists) can break or bruise ribs.
   • Biomechanical Disadvantage: Broken ribs impair breathing and movement, causing severe pain and reduced combat effectiveness.

8. Kidneys

   • Location: Lower back, just below the ribcage
   • Targeting: Strikes or pressure can cause significant pain and internal damage.
   • Biomechanical Disadvantage: Pain can impair movement and cause nausea or weakness.

9. Groin

   • Location: Pelvic area
   • Targeting: Strikes can cause severe pain and disruption.
   • Biomechanical Disadvantage: Pain in the groin area can incapacitate and cause severe discomfort, affecting the attacker’s ability to continue fighting.

10. Inner Thigh

    • Location: Inner surface of the upper leg
    • Targeting: Strikes or pressure can disrupt movement or cause pain.
    • Biomechanical Disadvantage: Pain can limit mobility and flexibility.

11. Knees

    • Location: Front and sides of the knee joint
    • Targeting: Strikes or pressure can damage ligaments or cause hyperextension.
    • Biomechanical Disadvantage: Damage or pain here can significantly reduce the attacker’s mobility and stability.

12. Elbows

    • Location: Elbow joint
    • Targeting: Strikes or pressure can cause pain or joint damage.
    • Biomechanical Disadvantage: Pain or damage can reduce arm function and movement.

13. Wrists

    • Location: Wrist joint
    • Targeting: Strikes or pressure can cause pain or joint damage.
    • Biomechanical Disadvantage: Pain or damage reduces the effectiveness of arm movements and gripping ability.

14. Feet and Ankles

    • Location: Feet and ankle joints
    • Targeting: Strikes or pressure can cause pain or injury.
    • Biomechanical Disadvantage: Pain or injury can impair movement and balance.

Pressure Points and Their Effects

1. ST-5 (Chi-5)

   • Location: On the jawbone, near the angle of the jaw.
   • Targeting: Applying pressure here can cause pain and disorientation.

2. GB-20 (Feng Chi)

   • Location: At the base of the skull, just below the occipital bone.
   • Targeting: Pressure here can cause headaches, dizziness, or disorientation.

3. LI-4 (He Gu)

   • Location: On the back of the hand, between the thumb and index finger.
   • Targeting: Pressure here can cause pain and discomfort.

4. PC-8 (Laogong)

   • Location: On the palm of the hand, in the centre.
   • Targeting: Pressure here can cause pain and affect hand function.

Anatomical and Biomechanical Impact

• Pain Response: Strikes to sensitive areas or pressure points induce significant pain, which can disrupt the attacker’s focus and coordination.

• Functional Disruption: Targeting areas involved in vital functions (e.g., breathing, vision, balance) can impair those functions and reduce the attacker’s effectiveness.

• Structural Damage: Hitting bones or joints can cause fractures or dislocations, leading to immediate pain and loss of function.

By understanding and targeting these weak points, martial artists and fighters can effectively incapacitate opponents or defend themselves, utilizing the body’s inherent vulnerabilities for strategic advantage.