The latest science on protein | Nicholas Burd, PhD

Muscle Growth

Muscle fiber growth involves understanding the differences between hypertrophy and hyperplasia. Nicholas Burd explains that hypertrophy, the increase in muscle fiber size, is the primary mechanism in humans, while hyperplasia, an increase in the number of fibers, is not typically observed 1. He emphasizes the importance of training specificity and consistency for effective muscle growth, noting that while lengthening contractions can be more damaging, they are not necessary for hypertrophy 2.

There's nothing intrinsically magical about lengthening your muscle length for hypertrophy.

--- Nicholas Burd

Burd advises focusing on recruiting type two muscle fibers through targeted exercises to maximize hypertrophy 3.

   

Protein Turnover

Protein turnover is a continuous process crucial for muscle health, involving the breakdown and synthesis of muscle proteins. Nicholas Burd highlights that our muscles are in a constant state of renewal, with protein pools completely renewing every three months 4. He clarifies that protein synthesis is not solely a marker of muscle growth but a remodeling process that can enhance protein quality 5.

Protein synthesis is not a hypertrophic marker. It's a remodeling marker.

--- Nicholas Burd

Burd stresses the importance of maintaining optimal protein turnover to replace damaged proteins with higher quality ones, which is vital for both athletes and individuals in various health states 6.