# 65 – Lactic Acid – Debunking The Myth

Chalk Talk – Episode 65 – Lactic Acid – Debunking The Myth 

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Feel the burn! Flush it out! These are all things coaches have used when talking about ‘lactic acid.’ Coach Bres helps to separate the differences between lactic acid and lactate and how they do or do not relate to our training.

Time Stamps: 
  • Starting To Talk About Lactic Acid…what even is it? (2:00)
  • Talking about LACTATE – Not The Waste Product (7:00)
  • The Lactate Shuttle – Talking About Fuel Sources (11:00)
  • The Michael Phelps Example – Different Bodies Ability To Keep Up With Energy Demands (15:00)
  • Genetics versus Training – Fuel and Ability To Use Lactate (18:00)
  • “Flushing It Out” – Debunking The Myth (21:00)
  • Light Activity And How It Relates To “Flushing” (24:00)
  • Talking About Thresholds – Aerobic, Anaerobic, & Lactate (28:00)
  • Working On The Big Picture (36:00)
  • Doug Tries To Summarize – Talking Lactate, Cycling, Hydrogen Ions Leads To Feeling The Burn (38:30)
  • Bres Summarizes – Separate Lactic Acid and Lactate (41:00)
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  1. A.Brooks, George. “The Science and Translation of Lactate Shuttle Theory.” Cell Metabolism, https://www.sciencedirect.com/science/article/pii/S1550413118301864. Accessed 4 April. 2020.
  2. Pubmeddev. Lactic Acid and Exercise Performance : Culprit or Friend? – PubMed – NCBI. https://www.ncbi.nlm.nih.gov/pubmed/16573355. Accessed 4 Aug. 2020.
  3. “Rehabilitating Lactate: From Poison to Cure: Once Thought to Cause Muscle Fatigue, It’s Now Being Investigated as a Treatment for Disease.” ScienceDaily, 23 May 2018, https://www.sciencedaily.com/releases/2018/05/180523145845.htm.
  4. Joshua J Todd, Lactate: valuable for physical performance and maintenance of brain function during exercise, Bioscience Horizons: The International Journal of Student Research, Volume 7, 2014, hzu001, https://doi.org/10.1093/biohorizons/hzu001
  5. Kashubara, Ken. “Lactic Acid Does Not Cause Muscle Soreness – Track & Field News.” Track & Field News, 2 Jan. 2019, https://trackandfieldnews.com/track-coach/lactic-acid-does-not-cause-muscle-soreness/.
  6. Joyner, Michael. “Why Lactic Acid Is Actually Fuel for Your Body.” Sports Illustrated, 21 July 2016, https://www.si.com/edge/2016/07/21/debunking-myths-lactic-acid-truth-fatigue-recovery-muscle-soreness.
  7. Kravitz, L. (2005). Lactate: Not guilty as charged. IDEA Fitness Journal, 2(6), 23-25. https://www.unm.edu/~lkravitz/Article%20folder/lactate.html. Accessed 4 Sept. 2020.

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