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Strength Training Principles for Enduro & Downhill Mountain Bikers
Downhill mountain bike racing requires total body strength, power, and endurance as races last up to five minutes often requiring intermittent bursts of peak wattage output to the pedals while navigating a course littered with obstacles battering the rider with high g-forces requiring immense upper body strength (Hurst et al., 2018). Grip strength endurance has been shown to be the second most influential element of the rider with riding skill being the most important (Chidle

Jonathan Deerman
Nov 2, 20255 min read


Multi-Dimension Risk Factors for Chronic Tendinopathy in Sport: A Literature Review
Research Article: Lopes, L. R., Machado, D. E., Goes, R. A., Amaral, M. V. G., Dias, F., Tavares, V., Medeiros, R., & Perini, J. A. (2025). Implications of tendinopathy on the sports career: Epidemiological and clinical profile of high-performance athletes. Physical Therapy in Sport , 72 , 59–68. https://doi.org/10.1016/j.ptsp.2025.02.003 Application With 10-50% of elite athletes having a chronic tendinopathy, what can be done to identify and manage risk factors? The nota

Jonathan Deerman
Nov 2, 20255 min read


Simple Breath-Hold During Warmups Can Instantly Improve VO2max Over 10%
Research article citation: Wang, W., Wu, D., Wang, H., Zhang, Z., Jiang, X., Li, S., Shi, Y., & Gao, X. (2024). Acute Effects of Breath-Hold Conditions on Aerobic Fitness in Elite Rugby Players. Life (Basel, Switzerland) , 14 (8), 917-. https://doi.org/10.3390/life14080917 Let's get right to it. Straight to application on why having half a dozen breath holds during an easy aerobic warmup could supercharge your VO2max transiently for instant benefits in subsequent training

Jonathan Deerman
Nov 1, 20255 min read


Male Youth Nutrition for Endurance Sports: A look into the risks of Low Energy Availability
Endurance sports have a risk of the athletes developing intentionally or unintentionally LEA (low energy availability) which has higher prevalence in females, but should we be monitoring males, especially youth males for relative energy deficiency in sport (aka RED-S). An interesting study examined the special energy analysis of youth cyclists in season which occurs during hotter weather for possibility of LEA. By definition LEA is when daily consumption of <30kcal/ kg fat-fr

Jonathan Deerman
Nov 1, 20252 min read


Chrononutrition, Intermittent Fasting, Time Restricted Feeding: My personal experience and what current research explains.
Over a decade ago I began to experiment with time-restricted feeding. Initially it was due to chronic GI and throat issues. For several years for most of the day I felt like something was stuck in my throat and randomly have deep painful pressure in my chest deep to the sternum. For about two years I visited several doctors like ENT’s and GI specialists, even an had and endoscopy and barium swallow with no findings. To treat the symptoms without any definite, understand or di

Jonathan Deerman
Nov 1, 20253 min read


A Few Nutrition Nuances for Active Females: caloric Intake, calcium, Protein, L-glutamine, cinnamon
The narrative review by Wohlgemuth et al. (2021) explains most research for nutrition and sports performance is on males instead of females and it is females who have a variety of fluctuating nutrition and metabolic changes depending on their cycle. For example, eumenorrheic women metabolize fat and protein at a higher percentage in the luteal phase compared to the follicular stage. Basal metabolic rate (BMR) and training recovery rate/ capacities also vary across the cycle.

Jonathan Deerman
Oct 28, 20255 min read
Reformed Wellness: Evidence-Informed Articles
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