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New Study Confirms ‘Lengthened Supersets’ Can BOOST Muscle Growth By Up To to 43.3%

Plus: Why (and how) You Should Test Your VO2 Max

Boost Muscle Growth

New Study Confirms ‘Lengthened Supersets’ Can BOOST Muscle Growth By Up To to 43.3%

Training muscles in a stretched position has gained traction in the fitness world, with research suggesting it can significantly enhance muscle growth. 

new study by Larsen et al. adds to this growing body of evidence, showing that working muscles in a lengthened position can lead to 43.3% greater hypertrophy compared to training in a shortened position.

In partnership with

Hey runners: Do you qualify for RunDot’s new research opportunity?

The RunDot Project is an annual research initiative. It helps runners reach their true performance potential through optimized run training.

RunDot athletes improve running performance 3.2x more than non-users and see positive changes in 30% less training time.

Qualified participants will also receive 2 free months of run training.

Who qualifies?

Those who meet the following criteria:

  • Train with a device with GPS capabilities

  • Have not used RunDot or TriDot in the last 12 months

  • Not a professional runner

  • Enthusiastic and motivated to reach their running goals

Does this sound like you?

VO2Max

How to Test Your VO2 Max: Easy, Accurate, and Affordable Methods to Choose From

VO2 max – it’s the fitness metric that’s moving beyond elite athletes and into the mainstream.

If you care about your health and longevity, this measurement of your body’s oxygen-processing power matters.

Most people struggle with low motivation to achieve their fitness goal

Why do you have low motivation?

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Let’s be real

Thor Bjornsson’s Record-Breaking Deadlift: A Herculean Feat of Strength

Best New Diet?

The CBG blueprint method, powering top CrossFit athletes like Sprague and Danielle Brandon, is the new ‘Diet’ you’ve never heard of

In the ever-evolving world of fitness and nutrition, one principle remains constant: consistency breeds growth. 

This simple yet profound philosophy underpins Justin’s approach to health, performance, and sustainable change.

Whether you’re an elite CrossFit athlete or someone looking to improve their relationship with food, Justin’s program emphasizes the power of consistency, personalized coaching, and practical nutrition strategies.

In partnership with

Hack Your Metabolism For Peak Performance

Lumen, the world’s first handheld metabolic coach, provides real-time insights into your metabolism with just a single breath. Whether you're looking to lose weight, boost energy, or enhance athletic performance, Lumen’s personalized recommendations help you optimize every aspect of your health.

PS: If you want to drop your dad bod in only 90 minutes per week, check these fitness hacks 

Stay fit,

Julien Raby