Last reviewed: May 12, 2026 Last updated: May 12, 2026

Written by: Jay Hastings , CEO of PlexusDx

Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations. He has more than 20 years of experience across healthcare innovation, genomics, laboratory operations, healthcare investing, and strategic finance. His work has included scaling healthcare startups, leading CLIA lab integrations, and helping expand consumer access to precision health tools.

Medically reviewed by: Jayden Lee, PharmD, EMBA

Jayden Lee, PharmD, EMBA, is the PlexusDx Medical Science Liaison with a PharmD and MBA specializing in pharmacogenomics and clinical product development, with a proven ability to bridge the gap between genomic research and practical patient outcomes. Dr. Lee has more than 10 years of professional experience in clinical pharmacy, academia, and research.

Genetic Traits and Muscle Performance: Exploring the Power Within

We human beings exhibit remarkable complexity because each one possesses a distinct genetic code that impacts many different areas of our lives. Muscle performance stands as a critical factor that significantly influences both athletic abilities and overall physical potential. This blog post explores muscle performance through the lens of the genetic trait Power and its effects on fitness and recovery. Muscles function as more than just the visible tissue under our skin because they serve as the primary force generators for both rapid explosive actions and long-lasting endurance movements. The study of muscle performance subtleties offers important knowledge for refining fitness programs and strengthening recovery systems.

Genetic Trait: Power

Power represents a genetic attribute which enables individuals to perform brief high-intensity physical activities like sprinting and jumping as well as throwing motions. The composition of muscle fibers in our bodies maintains a strong connection to this specific trait. Muscle tissue contains two primary fiber types called fast-twitch and slow-twitch fibers which enable different movement capabilities. Power athletes have a higher concentration of fast-twitch muscle fibers which allow for quick explosive movements while endurance athletes display more slow-twitch muscle fibers that enable continuous lower-intensity performance. The genetic composition of an individual determines their muscle fiber distribution which affects their inherent athletic abilities. Specific gene variants including those associated with the ACTN3 gene control the production of vital proteins such as alpha-actinin-3 which play a key role in muscle power development. People who express this protein in greater amounts tend to perform better at power-based activities and often display characteristics found in top power athletes. Genetics significantly determine power potential but external factors like fitness and lifestyle choices also have an important impact. The highest-performing athletes demonstrate how genetics work together with strict training schedules to illustrate the combined effects of natural ability and environmental influences on sports performance.

Practical Tips for Enhancing Power Performance

  1. Tailored Training Programs: Incorporate explosive movements and strength training exercises into your routine to target fast-twitch muscle fibers for improved power output.
  2. Genetic Testing: Get individualized results about your genetic advantages for power performance through Precision Health & Wellness testing options provided by PlexusDx.
  3. Nutritional Support: Support muscle growth and recovery by optimizing your diet through adequate protein intake and essential nutrients.
  4. Rest and Recovery: Ensure proper recovery time between intense training sessions to facilitate muscle repair and adaptation.
  5. Consultation with Healthcare Providers: Working with fitness professionals and healthcare providers helps create a comprehensive strategy for enhancing power performance.

Understanding genetic muscle performance traits related to power helps people develop personalized fitness routines that work best for them. Through genetic testing insights from services like PlexusDx people can develop customized plans to enhance their power potential while reaching their fitness targets. Begin your path to improved performance and wellness with the Precision Health & Wellness tests PlexusDx offers. Your genetic composition represents only a portion of the elements that determine athletic ability. Through the integration of genetic insights with committed training regimens and expert nutrition guidance you can achieve peak power performance while starting your journey toward complete fitness and wellness.

Medical and Editorial Standards

Medical review process: This article was reviewed for medical accuracy, scientific clarity, evidence alignment, and appropriate discussion of genetics, medications, supplements, biomarkers, and health-related claims.

Sources and evidence: PlexusDx educational content is developed using peer-reviewed research, clinical literature, reputable medical references, and, where applicable, public health or regulatory guidance. References are included at the end of the article when scientific, medical, or health-related claims are discussed.

Commercial transparency: PlexusDx offers genetic testing, blood biomarker testing, personalized supplement recommendations, and related precision wellness services. Product mentions are intended to help readers understand available options and should not be interpreted as medical advice.

Important disclaimer: PlexusDx educational content is for informational purposes only and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about medications, supplements, genetic testing, lab testing, or health-related care.