The green belt form "Taegeuk Sa Jang" (태극 4장) is the fourth poomsae in the Taegeuk series used in World Taekwondo (WT)/Kukkiwon style Taekwondo.
🥋 Taegeuk Sa Jang – Meaning & Symbolism
"Sa" (사) means four in Korean.
Trigram Symbol: ☴ "Jin" (Thunder)
Element: Thunder or Lightning
Theme: Powerful action, bravery, energy, and awakening
⚡ Philosophical Meaning
Thunder symbolizes a sudden burst of energy, awakening, or rapid change.
This poomsae represents a practitioner who is beginning to develop true martial confidence — moving with boldness and decisiveness.
It teaches that power must be guided by courage, and that strength must be delivered without hesitation.
🧠 Mental Concepts Taught
Overcoming fear
Stepping forward with confidence
Precision and timing under pressure
🧭 Technical Elements
Stances: Front stance (Ap Kubi), back stance (Dwit Kubi)
Key techniques introduced:
High blocks (olgul makki)
Elbow strikes (palgup chigi)
Back stance coordination
Kihap (yell) for added focus and power
This form starts to test the practitioner’s ability to move quickly between defense and offense while maintaining fluidity and power.
📝 Summary Table
Element Taegeuk Sa Jang (태극 4장)
Green Belt
Korean Number사 (Sa) – Four
Trigram Symbol☴ "Jin" – Thunder
Meaning: Courage, sudden power, alertness
Key Focus: Strong transitions, confident and bold movement