Urinalysis for Fitness and Athletic Success in Competitive Sports

Alexis Williams
Alexis Williams
February 9, 2023
min read
Technically reviewed by: 
Adele Morris
Urinalysis for Fitness and Athletic Success in Competitive Sports

With the ever-increasing demand for peak physical performance, athletes are looking for new and innovative ways to measure and improve their health. Enter the simple urine test strip for urinalysis: a small, cost-effective tool that can provide invaluable insights into your physical performance and overall health. In this article, we'll discuss how using a multiparameter urine test strip can help you understand your body's performance and make changes to improve it.

The Importance of Urinalysis to Monitor and Optimize Athletic Performance

Urinalysis — the analysis of urine composition — can help determine the health of organs as well as general well-being. It is also used by top-tiered athletes to achieve optimum physical performance and regulate their training.

It is essential in competitive sports to monitor your unique bodily changes with precision to yield optimum performance.

For example, one study published in the International Journal of Environmental Research and Public Health used urine tests to monitor multiple biochemical parameters of a team of 12 basketball players. Those parameters included:

  • Proteins
  • Leukocytes
  • Ketones
  • Glucose
  • Nitrite
  • Hemoglobin
  • Bilirubin
  • pH
  • Specific gravity
  • And more

As a result of measuring these parameters after intense physical exercise, their coach and medical health staff were able to:

  1. Calibrate personalized training programs
  2. Prevent and treat infections, pathologies, and muscle injuries
  3. Monitor each member's health status and hydration levels
  4. Unveil hidden genetic pathologies that could undermine their health and performance

A multi-parameter urine test strip can help with general health screening, diagnosing a disease, and knowing the health of different organs.

6 Urinalysis Parameters and Their Relation to Fitness and Athletic Success in Competitive Sports


Extreme exercise regimens can cause proteinuria — high levels of protein in the urine. Chronic proteinuria can cause kidney damage, which can lead to dehydration caused by decreased fluid intake and increased fluid output through the kidneys. This can cause you to become exhausted more quickly, reducing your peak performance capabilities.

Proteinuria is also associated with reduced oxygen levels, which can lead to decreased energy levels and stamina.


Many athletes cut body fat and increase performance by using a high-fat, low-carb ketogenic diet in combination with strenuous aerobic exercise. This combination increases the presence of the alternative fuel source ketones, which are molecules produced when fatty acids break down.

However, ketoacidosis — an excess of ketones in the body — can occur when you have excessively high ketone levels in your urine. Ketoacidosis causes your body to become too acidic, which decreases its ability to generate adenosine triphosphate (ATP), the primary source of energy needed to fuel athletic performance.

Additionally, ketoacidosis can cause several other issues, including:

  • Dehydration
  • Nausea
  • Vomiting
  • Confusion
  • Electrolyte imbalance that leads to compromised muscle contracture and muscular force production

As a result of ketoacidosis, you may experience an impaired state, decreased performance, lower-than-normal levels of strength and power output, and difficulty sustaining adequate output. You may even need to halt exercise when you have elevated ketones and blood sugar.

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Intense exercise and strict diet regimens can cause you to produce stress hormones, such as adrenalin. They also make it harder for your muscle cells to utilize insulin.

When combined, these two factors raise your glucose levels and can lead to glycosuria — the presence of glucose in the urine. Glycosuria is a common sign of hyperglycemia (high blood sugar).

High blood sugar can cause several issues such as:

  • Dehydration
  • Organ damage
  • Reduced mental clarity and focus
  • Increased risk of cardiovascular disease and other chronic conditions

As a result, you may experience:

  • Decreased energy and endurance during physical activity
  • Increased fatigue and muscle cramps due to dehydration
  • Physical limitations and problems that reduce your athletic ability

Specific Gravity

The specific gravity of urine is the concentration of electrolytes and other chemical particles in your urine.

Optimum hydration is essential when you are physically active. Your hydration and electrolyte balance can become unbalanced with supplements, diets, and tough training.

Electrolyte imbalance can cause symptoms such as:

  • Dizziness
  • Headache
  • Fatigue
  • Cramping
  • Nausea
  • Heart palpitations
  • Dehydration

Dehydration can also lead to several undesirable outcomes, including:

  • Reduced energy levels and stamina
  • Decreased mental focus and concentration
  • Overheating that leads to cramps and fatigue
  • Low blood volume that results in reduced strength, endurance, and speed

A urine dipstick test like Urinox-10 can easily measure the specific gravity of urine, helping you stay alert about your hydration and electrolyte levels and replenish them as needed to ensure optimal performance.


Strenuous exercise, particularly highly intense long endurance or weight-bearing exercise, can cause a benign condition called acute hematuria (blood in urine). Some medications may also predispose you to exhibit blood in your urine.

Exercise-induced hematuria generally has no other symptoms; however, it can cause pain just above the front region of your hip. This can hinder your performance.

In cases where hematuria lasts longer than 72 hours or recurs with strenuous exercise, you may have to halt athletic activity and receive medical attention.

Urine test strips measure these levels to ensure you have no blood in your urine.


Strenuous exercise leads to increased leukocytes — white blood cells that fight infection — in urine. Therefore, intense or acute exercise can be related to infections of the urinary tract.

Urinary infections can lead to incorrect hydration and blood filtration rates, which cause decreased energy and endurance as well as reduced muscle strength and physical performance.

In addition, you may experience pain, inflammation, diarrhea, and fever, all of which can significantly reduce your athletic performance. Furthermore, excess leukocytes can accumulate in muscles, which can lead to impairment of the flow of oxygen and other nutrients to those muscles.

Increased leukocytes in urine signify inflammation in the body and could indicate that your body has not recovered from the previous training session.

Optimize Your Athletic Performance With Urine Test Strips

Urinalysis test strips enable you to learn and track important parameters that indicate your physical condition. By doing so, you can optimize your training and diet regimen to achieve your best athletic performance.

Diagnox offers Urinox-10, an affordable 10-parameter urine dipstick test (UA test) that allows you to keep track of your health condition. These FDA-cleared and CLIA-waived test trips provide fast and accurate results in just 2 minutes for easy testing wherever you are.

  1. MDPI Staff, "Urinary Biomarkers: Diagnostic Tools for Monitoring Athletes’ Health Status", International Journal of Environmental Research and Public Health, Available Online. Accessed Jan. 24, 2023.
  2. Saeed, Fahad (2012). "Exercise-induced proteinuria?", The Journal of Family Practice, Available Online. Accessed Jan. 24, 2023.
  3. Dearlove, David J. (2019). "Nutritional Ketoacidosis During Incremental Exercise in Healthy Athletes", Frontiers in Physiology. Accessed Jan. 24, 2023.
  4. ADA Staff, "Exercise Can Raise Blood Glucose (Blood Sugar)", American Diabetes Association, Available Online. Accessed Jan. 24, 2023.
  5. AMSSM Staff, "Exercise-induced hematuria," American Medical Society for Sports Medicine, Available Online. Accessed Jan. 24, 2023.
  6. Poortmans, J R., "Exercise and renal function", National Library of Medicine. Accessed Jan. 24, 2023.

About the Author
Alexis Williams

Alexis Williams is a Georgia-based freelance content writer and lifelong learner with an unquenchable thirst for knowledge. She uses that thirst combined with her experience in various fields to write about subjects valuable to individuals and businesses. Alexis has a robust catalog of experience that includes SEO content, blogging, product reviews/comparisons, research papers, and more.

About the Reviewer
This blog was
Technically reviewed by: 
Adele Morris

Adele Morris served as the editor and proofreader of this blog, displaying her exceptional editorial skills and expertise in the field.

The blog was also reviewed by the Diagnox content team. Diagnox Staff consists of a multidisciplinary team of scientists, content writers, and healthcare professionals with an expertise to create and review high-quality, informative, accurate, and easy-to-understand content for both professionals and everyday readers. Our staff follows strict guidelines to ensure the credibility and authenticity of the information, reviewing them independently and verifying them by various scientific and technical sources to ensure accuracy. Our review team believes in delivering knowledge free from bias to improve public health and well-being.

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