Nutrition

Originally published in the Summer 2019 issue of American Fitness Magazine. After 15 days of supplementation with a combination of peanut husk extract (luteolin) and mango leaf extract (mangiferin), a group of healthy male university students from Spain showed improvements in exercise performance, including increases in brain oxygenation and muscle

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Fitness Professionals

Originally published in the Summer 2019 issue of American Fitness Magazine. What do you do when life throws you a curveball? Let’s say your program design doesn’t fit a client’s current mood or your class has participants with wide-ranging ability levels. If you’re Michael Piercy, MS, NASM-CPT, CES, PES, MMACS,

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Fitness Professionals

Each month, we’ll shine the spotlight on a different NASM Certified Personal Trainer who’s making a difference in their community. For July, we found fireworks in Diane Shaughnessy’s story. She’s an NASM-CPT, FNS, WLS who started her incredible fitness career at 68 years of age. National Academy of Sports Medicine

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Exercise Programming

Originally published in the Summer 2019 issue of American Fitness Magazine. When I first became a personal trainer some 14 years ago, I was obsessed with corrective exercise and movement perfection. Prospective clients watched as I geeked out on every nuance of the impeccable squat. Once they became clients, they’d

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Sprinters typically use a higher ratio of Fast-Twitch fibers while distance runners use a higher ratio of Slow-Twitch fibers.
Certified Personal TrainerFitnessNewsletter

Looking to build endurance? What about power? Do dreams of being an all-star hitter or marathon runner need to be dashed if twitch ratios aren’t ideal? Not necessarily. The types of muscle fibers targeted in different types of training programs can impact performance goals.

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