| 1. Physical biorhythm is related to physical strength, durability, resistance, stamina, courage, metabolic rate, initiative and hand-eye coordination. |
| 2. Emotional biorhythm is related to emotional stability, feeling, intuition, mood, susceptibility, creativity, nerves and affection. |
| 3. Intellectual biorhythm is related to thinking, analyzing, judgment, concentration, composition , logic, alertness, sense of direction, power of deduction, memory and decision making. |