The Best Ab Exercise No One Knows

Key Takeaways

• The dragon flag is considered by Jeff Nippard to be the most underrated ab exercise that almost no one performs
• Dragon flags are significantly more challenging than they appear, with even one rep indicating elite fitness level
• The exercise offers superior torso stabilization compared to hanging leg raises, eliminating swinging motion
• Proper progression starts with lying leg lifts, advances to bent knee dragon flags, then full Bruce Lee-style dragon flags
• The movement targets not just abs but also obliques and serratus muscles for comprehensive core development
• The exercise requires lifting the entire body including glutes off the bench with straight knees and hips

The Dragon Flag: An Elite-Level Core Exercise

While most fitness enthusiasts gravitate toward common abdominal exercises like crunches, planks, or hanging leg raises, strength and conditioning expert Jeff Nippard advocates for a lesser-known but incredibly effective movement: the dragon flag. This advanced exercise, popularized by martial arts legend Bruce Lee, represents what Nippard considers the most underrated ab exercise in existence.

The dragon flag's relative obscurity in modern gyms doesn't diminish its effectiveness. Rather, its absence from most workout routines likely stems from its extraordinary difficulty level. Nippard emphasizes that performing even a single repetition of this exercise places an individual at an elite fitness level, highlighting the significant strength and control required to execute the movement properly.

Why Dragon Flags Surpass Hanging Leg Raises

Superior Stabilization Benefits

While hanging leg raises remain a popular choice for core training, Nippard has transitioned away from them in favor of dragon flags due to several key advantages. The primary benefit lies in the stabilization aspect of the exercise. During hanging leg raises, maintaining proper form requires significant grip strength and shoulder stability, often leading to unwanted swinging motions that can compromise the exercise's effectiveness.

Dragon flags eliminate this issue entirely. With the torso stabilized against a bench or surface, practitioners can focus solely on the core engagement without worrying about momentum or swinging movements that might reduce the exercise's targeted muscle activation.

Enhanced Muscle Recruitment

The dragon flag's unique positioning and movement pattern activate multiple muscle groups simultaneously. Beyond the primary abdominal muscles, the exercise significantly challenges the obliques and serratus anterior muscles, creating a more comprehensive core workout than many traditional exercises provide.

Mastering the Dragon Flag Progression

Stage 1: Building Foundation with Lying Leg Lifts

Nippard emphasizes the importance of proper progression when attempting dragon flags. The journey begins with lying leg lifts, a foundational movement that helps develop the necessary core strength and control. Practitioners should focus on performing 10 clean repetitions of lying leg lifts before advancing to the next stage.

During lying leg lifts, individuals lie flat on their back and raise their legs while keeping them straight, engaging the core muscles to control the movement. This exercise builds the foundational strength needed for more advanced variations while teaching proper muscle activation patterns.

Stage 2: Bent Knee Dragon Flags

Once lying leg lifts become manageable for 10 repetitions, the next progression involves bent knee dragon flags. This intermediate variation introduces the basic mechanics of the full dragon flag while reducing the lever arm length, making the exercise more manageable.

In this stage, practitioners grip a bench or sturdy surface above their head and lift their body while keeping their knees bent. The reduced lever arm length decreases the difficulty while still providing significant core challenge and helping develop the specific movement pattern required for the full exercise.

Stage 3: Full Bruce Lee-Style Dragon Flags

The final progression represents the complete dragon flag as popularized by Bruce Lee. This advanced movement requires lifting the entire body, including the glutes, off the bench while maintaining straight knees and straight hips throughout the range of motion.

The execution involves gripping the bench firmly with both hands, engaging the core muscles, and lifting the entire lower body up and away from the bench in a controlled manner. The legs and torso should form a straight line, with only the upper back and shoulders remaining in contact with the bench.

Technical Execution and Form Considerations

Proper Grip and Setup

Successful dragon flag execution begins with proper setup. Practitioners should position themselves on a bench with their head near one end, gripping the bench firmly with both hands behind their head. The grip should be secure enough to provide stability throughout the movement while allowing for comfortable arm positioning.

Movement Mechanics

The dragon flag requires lifting the entire body from the hips down while maintaining rigid alignment. The core muscles must work intensely to keep the body straight as it moves through the range of motion. The controlled lowering phase of the exercise often proves more challenging than the lifting phase, requiring exceptional eccentric strength.

Common Mistakes to Avoid

Several common errors can compromise the effectiveness and safety of dragon flags. These include allowing the hips to sag, bending the knees during the full variation, using momentum instead of controlled movement, and failing to maintain proper spinal alignment throughout the exercise.

Real-World Results and Applications

Nippard's Personal Experience

Throughout his cutting phase, Nippard incorporated dragon flags as a primary abdominal exercise, reporting unprecedented engagement of his abs, obliques, and serratus muscles. This personal testimony underscores the exercise's effectiveness for individuals already possessing significant fitness experience and strength levels.

Integration into Training Programs

For those ready to attempt dragon flags, the exercise can serve as a cornerstone movement in core training routines. However, due to its demanding nature, it's often best positioned early in workouts when energy levels and neuromuscular coordination remain optimal.

The Science Behind Dragon Flag Effectiveness

Isometric and Dynamic Components

The dragon flag combines both isometric and dynamic muscle actions, creating a comprehensive challenge for the core musculature. The isometric component involves maintaining rigid body alignment, while the dynamic aspect requires controlled movement through a significant range of motion.

Progressive Overload Potential

Unlike many bodyweight exercises that eventually become limited by the individual's body weight, dragon flags offer multiple progression opportunities. Practitioners can adjust tempo, range of motion, and even add external resistance for continued advancement.

Our Analysis

While dragon flags undoubtedly represent an impressive feat of core strength, several practical limitations warrant consideration that weren't fully addressed. First, the exercise's accessibility remains severely restricted - most commercial gyms lack appropriate benches with stable gripping points, and the movement requires considerable upper body strength that may exclude beginners for months or even years. Additionally, individuals with lower back issues or hip flexor tightness may find dragon flags contraindicated, making them unsuitable for a significant portion of the population.

Recent biomechanical research from 2024-2025 suggests that while dragon flags excel at isometric core stability, they may not provide optimal hypertrophic stimulus for abdominal muscle growth compared to loaded movements. Studies comparing EMG activation patterns show that weighted planks and cable crunches can generate higher peak muscle activation in the rectus abdominis, particularly when progressive overload principles are applied systematically.

The exercise also faces competition from emerging functional training methods like anti-extension pallof presses and dead bugs, which offer similar stabilization benefits with greater scalability. These alternatives provide measurable progression through resistance bands or cable weight stacks, allowing for more precise periodization - a critical factor often overlooked in bodyweight-only movements.

From a practical programming perspective, dragon flags present periodization challenges since adding external load is nearly impossible. Elite strength coaches increasingly favor exercises that can be progressed through multiple variables beyond just repetitions. Furthermore, the risk-to-reward ratio may not justify inclusion for most recreational athletes, especially when considering that similar core stability gains can be achieved through safer, more accessible movements that don't require the prerequisite strength of an elite gymnast.

Frequently Asked Questions

Q: How many dragon flags should beginners attempt when starting out?

Beginners should focus on quality over quantity when first attempting dragon flags. Start with single repetitions, concentrating on perfect form and control. Even advanced fitness enthusiasts may find that 3-5 repetitions per set provide sufficient challenge initially. The emphasis should remain on mastering the movement pattern and building strength gradually rather than pursuing high repetition counts.

Q: What muscles do dragon flags primarily target compared to other ab exercises?

Dragon flags provide comprehensive core activation, primarily targeting the rectus abdominis (the "six-pack" muscles), obliques, and serratus anterior. Unlike crunches or sit-ups that focus mainly on the rectus abdominis, dragon flags engage the entire core as a unit while also challenging hip flexors and requiring significant stability from the entire kinetic chain. This makes them superior for functional core strength development.

Q: Can dragon flags be performed at home without gym equipment?

Yes, dragon flags can be performed at home with minimal equipment. A sturdy bench, couch, or even a coffee table can serve as an anchor point, provided it can support your body weight and won't slide during the exercise. The key requirement is having something stable to grip that allows for proper body positioning. Some practitioners even use doorway pull-up bars or other household items as anchor points.

Q: Are there any safety considerations or contraindications for dragon flags?

Dragon flags place significant stress on the lower back and neck, making proper progression essential. Individuals with existing back problems, neck issues, or shoulder injuries should consult with healthcare providers before attempting this exercise. Additionally, the high strength requirements mean that jumping too quickly into full dragon flags without adequate preparation can lead to injury. Always master the prerequisite exercises and listen to your body throughout the progression.