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Flutter Kick

Flutter kick is an effective exercise for strengthening the core and enhancing lower body endurance. This movement primarily targets the lower abdominal muscles and hip flexors. It's suitable for all fitness levels, making it a versatile addition to any routine. 

Including flutter kick can boost core stability and overall endurance. This article will guide you through the proper technique for performing flutter kick. 

You'll also find expert tips, ideal sets and reps, and methods to incorporate this exercise into your workout plan.

How To Do

  1. Lie on your back with your legs extended and arms by your sides.
  2. Raise your legs off the ground about six inches.
  3. Using your breath, engage your core. 
  4. Lift one leg slightly higher while lowering the other leg.
  5. Alternate the positions of your legs in a quick, fluttering motion, like kicking.
  6. Keep your movements quick and controlled.
  7. Continue fluttering your legs for the desired duration or number of repetitions.

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Tips From Expert

  • Keep your lower back pressed firmly into the floor throughout the movement to protect your spine and ensure that your core is properly engaged.
  • Use a controlled breathing pattern to brace your core, which will help maintain stability and prevent excessive strain on your lower back.
  • Avoid arching your back or letting your hips tilt forward, as this can shift tension away from your core and increase the risk of discomfort or injury.
  • Move your legs in a small, quick, and controlled fluttering motion, making sure not to swing or overextend them.
  • Keep your neck relaxed and your head resting on the floor to avoid unnecessary tension in your upper body and neck muscles.

Optimal Sets and Reps

To maximize the benefits of flutter kicks, tailor your sets and reps to match your training goals.

Training TypeSetsReps
Strength Training3–410–15
Hypertrophy3–412–20
Endurance Training3–420–30
Power Training3–53-5
Optimal Sets & Reps of Flutter Kick

How to Put in Your Workout Split

Flutter kicks are essential for developing core strength and lower body endurance. This exercise targets the lower abdominals and hip flexors, enhancing overall core stability. Incorporating flutter kicks into your workout can also improve balance and coordination by enhancing neuromuscular control and stabilizing core muscles. 

These benefits help reduce injury risk and boost performance in various physical activities. Improvements in postural control and dynamic balance are especially valuable for athletic performance and injury prevention.

Here are several options to integrate flutter kicks into your workout split:

  • Full-Body Split — Add flutter kicks at the end of your workout. Perform 3–4 sets of 12–20 reps. This ensures your core is engaged after working other major muscle groups, contributing to overall strength and stability.
  • Upper/Lower Split — On lower body day, include flutter kicks to target your lower abs and hip flexors. Perform 3–4 sets of 10–15 reps. On upper body days, use flutter kicks as a core finisher to ensure balanced core development.
  • Push/Pull/Legs Split — Add flutter kicks on leg day to complement your lower body exercises. Perform 3–4 sets of 15–20 reps. This approach helps balance your core and leg strength, providing a comprehensive workout for both muscle groups.

*Expert tip: Start with shorter durations and lower reps if you're a beginner. Gradually increase the reps and sets as your core strength improves. This ensures continuous progress and prevents injury.

Primary Muscle Groups

Upper Rectus Abdominis

Muscles located just below the lower chest and above the lower abdominals. Between your ribs and pubic bone.

Lower Rectus Abdominis

Muscles located below your upper abs and above your public bone between your ribs.

Upper Rectus Abdominis

The upper rectus abdominis makes up part of what is known as the “six pack” muscle; it is located above the belly button. During flutter kicks, this muscle helps stabilize your core, preventing your lower back from arching.

Flutter kicks engage this muscle significantly, helping to improve core strength and muscle definition. The upper abs work hard to maintain proper form and support overall stability.

Strengthening these muscles through exercises like flutter kicks improves posture and reduces the risk of back injuries.

Lower Rectus Abdominis

The lower rectus abdominis is the lower part of the "six-pack" muscle, located below the belly button. It is crucial for stabilizing the pelvis and controlling leg movements during flutter kicks. 

This muscle is highly activated during the exercise. This significant engagement helps strengthen the lower rectus abdominis effectively. 

The lower abs engagement also ensures a stable pelvis and lower back, promoting efficient and controlled leg movements.

Secondary Muscle Groups

Obliques

Muscles located on the sides of your rectus abdominals. Runs on the sides of your trunk.

Quadriceps

Muscles located at the front portion of your upper legs, below your pelvis and above your knees. Consists of four parts.

Erector Spinae

Muscles that span the entire length of your spine on either side.

Obliques

The obliques are muscles on the sides of your abdomen, divided into internal and external obliques. During flutter kicks, these muscles stabilize your core and control rotational and twisting movements. 

The activation of the obliques helps to maintain balance and proper form. Strong obliques enhance your ability to perform twisting motions in sports and daily activities. They also support your lower back and improve overall core strength. 

Strengthening the obliques through flutter kicks contributes to a more defined waistline and better rotational power.

Quadriceps

The quadriceps are the muscles at the front of your thighs. During flutter kicks, these muscles lift and lower your legs, which helps tone and strengthen your thighs.

Strong quadriceps improve your ability to perform daily activities like walking, running, and climbing stairs. They also enhance lower body endurance and support better performance in sports.

Additionally, strong quadriceps can reduce knee pain by stabilizing the knee joint. Engaging your quadriceps during flutter kicks makes your legs stronger and more resilient.

Erector Spinae

The erector spinae muscles run along your spine. They play a crucial role in maintaining posture and keeping your back straight during flutter kicks. By stabilizing the lower back, they prevent excessive arching and maintain proper spinal alignment.

Strengthening the erector spinae improves posture by increasing muscle endurance and strength, which supports the spine and keeps it aligned. When these muscles are strong, they reduce the tendency to slouch by holding the spine in an upright position. This engagement during flutter kicks helps train the muscles to maintain proper posture throughout the day.

Flutter kicks provide a comprehensive workout by targeting the erector spinae and other secondary muscles. This not only strengthens the core but also enhances muscle coordination and balance. With regular practice, you'll achieve better overall fitness and find daily tasks much easier.

Equipment

Bodyweight

Bodyweight

Requires bodyweight resistance and additional equipment for proper execution.

Variations

Exercises that target the same primary muscle groups and require the same equipment.

Alternatives

Exercises that target the same primary muscle groups and require the different equipment.

Who Should Do?

Athletes

Athletes looking to enhance core strength and lower body endurance benefit from flutter kicks because they target key muscle groups. This exercise targets the lower abdominals, hip flexors, and quads, which are essential for maintaining stability and generating power.

By strengthening these muscles, athletes can improve their overall balance and control, crucial for sports performance. Enhanced core stability allows for more efficient and explosive movements, which is beneficial in sports like soccer and basketball. Improved core strength and stability may also reduce injury risk during high-intensity activities

Fitness Enthusiasts

Fitness enthusiasts of all levels can benefit from including flutter kicks in their workouts. This exercise is ideal for enhancing overall fitness by improving core stability and strengthening the lower body. 

The repeated leg movements in flutter kicks engage the muscles continuously, which helps increase muscle tone and stamina. Flutter kicks are easy to perform and adjustable for different fitness levels, making them versatile for any workout routine.

*Expert tip: To maximize effectiveness, focus on controlled movements. Avoid using momentum to ensure the target muscles are fully engaged.

Bodybuilders

Bodybuilders aiming to develop a well-defined core and strong legs will find flutter kicks beneficial. This exercise engages the lower abdominals and quads, essential for a muscular physique. 

Including flutter kicks in a bodybuilding routine can help enhance core stability and muscle definition. This exercise may also support overall lower body strength and complements other core and leg workouts leading to greater muscle gains.

Progressive overload can be applied by increasing the duration or intensity, promoting continuous muscle growth and endurance.

Who Should Not Do?

People With Lower Back Issues

People with lower back issues should avoid flutter kicks. This exercise can strain the lower back, worsening existing pain or injuries. Flutter kicks engage the hip flexors and lower abdominals, which pull the lumbar spine forward and aggravate lower back problems. 

Instead, focus on low-impact core exercises that provide support and stability without placing stress on the lower back. Low-impact exercises like pelvic tilts or bridges can help strengthen the core safely. To better support the lower back during these exercises, place a towel under the hips or at the lower back.

Individuals With Hip Flexor Injuries

People with hip flexor injuries should avoid flutter kicks. This exercise heavily engages the hip flexors, which can exacerbate pain and discomfort in already injured muscles. The repetitive leg movements required in flutter kicks can strain the hip flexors further, delaying recovery. 

Instead, opt for exercises that do not strain the hip flexors. Recovery-focused movements and stretches can help gradually strengthen the hip area without causing further harm.

Pregnant Women

Pregnant women, especially those in the second or third trimester, should avoid flutter kicks. This exercise can place unnecessary pressure on the abdominal area and lower back, which can be harmful during pregnancy. 

Flutter kicks require a strong core and controlled movements, which might not be suitable during pregnancy. Instead, focus on prenatal exercises designed to be safe and effective, supporting both maternal and fetal health. Gentle activities like walking and prenatal yoga are better options.

Benefits Of The Flutter Kick

Builds Strength

Flutter kicks are excellent for building core strength. This exercise primarily targets the lower abdominals, hip flexors, and quads. 

By consistently engaging these muscles, flutter kicks help develop a stronger and more stable core. A strong core is crucial for performing other exercises and daily activities with better form and reduced risk of injury

Additionally, strengthening these muscles improves posture and supports the lower back, contributing to overall physical strength.

Enhances Endurance

Flutter kicks can improve muscular endurance in the core and lower body. By performing this exercise regularly, you train your muscles to sustain activity for longer periods without fatigue. 

This endurance boost is beneficial for athletes and fitness enthusiasts who engage in prolonged physical activities like running and swimming. 

Enhanced endurance also translates to better performance in various sports and recreational activities, allowing for improved stamina and efficiency.

Improves Hip Mobility 

Flutter kicks are effective for improving hip mobility. This exercise involves repetitive leg movements that promote flexibility and range of motion in the hip joints. 

Improved hip mobility is essential for maintaining proper movement patterns and preventing injuries. It also aids in performing other exercises more effectively and can alleviate stiffness and discomfort in the hips. 

Enhanced hip mobility supports overall lower body functionality, making daily activities and physical exercises easier and more comfortable.

Frequently Asked Questions

What are flutter kicks good for?

Flutter kicks are great for strengthening the core, improving hip mobility, and enhancing lower body endurance.

Do flutter kicks burn belly fat?

Flutter kicks help build muscle and increase overall calorie burn, but spot reduction of belly fat isn’t possible. A combination of diet and exercise is needed.

How to do flutter kicks correctly?

Lie on your back, lift your legs slightly, and alternate kicking them up and down. Keep your core engaged and back flat.

Is it better to do flutter kicks fast or slow?

Slow and controlled flutter kicks are better for muscle engagement and reducing the risk of injury.

Resources

Endomondo.com refrains from utilizing tertiary references. We uphold stringent sourcing criteria and depend on peer-reviewed studies and academic research conducted by medical associations and institutions. For more detailed insights, you can explore further by reading our editorial process.

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