Final Answer:
20 - 30 flutter kicks are recommended for this exercise. Thus, the correct answer is option C: 20-30 flutter kicks.
Step-by-step explanation:
Flutter kicks are a popular exercise for targeting the core muscles, particularly the lower abdominal area. The recommended number of flutter kicks can vary based on individual fitness levels, goals, and overall workout routine. However, generally speaking, Option C: 20-30 flutter kicks strikes a balance between providing an effective workout and avoiding overexertion.
In the realm of fitness, it's crucial to tailor the exercise intensity to one's own capabilities. For beginners or those focusing on building endurance, starting with 20 flutter kicks allows for a manageable entry point. On the other hand, individuals with more advanced fitness levels might opt for 30 flutter kicks to challenge their core muscles further.
Choosing the appropriate range depends on factors such as fitness goals, overall workout duration, and the inclusion of other core exercises in the routine. It's essential to strike a balance between pushing one's limits for improvement and avoiding excessive strain that could lead to injury. Therefore, Option C provides a reasonable guideline for most individuals seeking to incorporate flutter kicks into their workout regimen.