---
title: "Is Your Fitness Potential Written in Your Genes?"
date: 2024-08-17
categories: ["Training"]
url: https://www.semiprocycling.com/digest/is-your-fitness-potential-written-in-your-genes
author: Damian Ruse (SEMIPRO Cycling)
---
# Is Your Fitness Potential Written in Your Genes?

![](https://www.semiprocycling.com/digest/images/92ed8aa9ac4c8bf57f65f91e.webp)

This study might be the wake-up call—or the relief—you've been waiting for. It delves into the age-old debate of nature vs. nurture in athletic performance, using data from twins to reveal just how much of our fitness potential is predetermined by genetics.

If you've ever felt like you’re not reaching your athletic goals despite your best efforts, the research suggests that genetics might be a bigger factor than you think, particularly in areas like flexibility.

But don’t lose heart—trainability, or how much you can improve with hard work, is still largely within your control. This study reinforces that while your genes set the baseline, your effort determines how far you can go.

Takeaways

**1. Genetics Play a Significant Role:** This study reveals that genetics have a strong influence on various fitness traits, with contributions ranging from 52% for explosive power (standing long jump) to 79% for flexibility (sit-and-reach). This suggests that your natural abilities are heavily dictated by the genes you inherit.

**2. Flexibility is Highly Genetic:** Flexibility, as measured by the sit-and-reach test, is the most genetically determined fitness trait. If you’re naturally inflexible, like the author, it’s not due to laziness but your genetic makeup.

**3. Varied Genetic Impact Across Fitness Domains:** The study shows that genetic influence varies across different fitness domains, meaning that being naturally good at one area doesn’t guarantee you’ll excel in others. For example, those who are genetically predisposed to high flexibility might not have the same advantage in aerobic endurance or explosive power.

**4. Nature vs. Nurture Nuances:** While genetics determine your starting point, they don't fully dictate your potential. Trainability, or how much you can improve with effort, is also partly genetic but involves different genes. This means hard work and training still play a crucial role in reaching your athletic goals.

**5. No Single Test Predicts Overall Fitness:** The study found little redundancy among the 15 fitness tests used, indicating that no single test can fully predict overall fitness. However, push-ups, standing long jump, and the Beep Test were the most correlated with overall fitness.

**6. Individual Strengths and Weaknesses:** The study underscores that your genetic strengths in one fitness area might be balanced by weaknesses in another, which can sometimes be beneficial. For example, lower flexibility might make you a more efficient runner.

For a deeper dive into the study, you can read more here: [https://journals.lww.com/acsm-...](https://journals.lww.com/acsm-msse/Fulltext/2024/08000)

## On my mind: Pause Before You Pedal

In cycling, it's easy to feel like you need to be constantly on the move—trying new techniques, adding new gear, or jumping on the latest trends. But sometimes, the best move is to pause for a moment before diving in. As Patricia Ryan Madson wisely said, “Don’t just do something, stand there.”

Ridewell,

Damian

When you're ready to work with me check out my cycling coaching: [semiprocycling.com/coaching](https://www.youtube.com/redirect?event=channel_description&redir_token=QUFFLUhqbC1IemRuOHVlYnVMdzNSYmFNa2hTazduRGZMd3xBQ3Jtc0trdWV1RVhfNTRzUlJXbURKMWNRWS1TdGpfaHp5M2RfZVFxaEpxN0I4aEJNaXR0RXNNT0FfOWxDT1hfOXYzOXRRWXJqMnVPTy1SUlFZWGVFa2poUERaWm9sVWsyNW0zYzRrajVQOE1KZTNGb2RvWHFlOA&q=https%3A%2F%2Fwww.semiprocycling.com%2Fcoaching)