Original: å æ, nÃ ijiÄ quÃ n), while others concentrate on improving muscle and cardiovascular fitness and are labeled external (å - å æ, wÃ ijiÄ quÃ n).
Simplified: å æ, nÃ ijiÄ quÃ n), while others concentrate on improving muscle and heart fitness, and are called external (å - å æ, wÃ ijiÄ quÃ n).