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Archives for Jeff Barnett » Page 2

About Jeff Barnett

Jeff Barnett is a CrossFit affiliate owner, mechanical engineer, and former Marine. He is a Certified Strength and Conditioning Specialist. He holds specialty certifications as a CrossFit Mobility Trainer, CrossFit Olympic Lifting Trainer, CrossFit Gymnastics Trainer and is a USA Weightlifting Sports and Performance Coach. He holds a bachelor’s degree in Mechanical Engineering and an MBA.

Jeff served as a Marine officer from 2003-2007 and deployed to Fallujah in 2006. After leaving the Marine Corps he co-founded CrossFit Impulse in 2009. His writing focuses on fitness, nutrition, and leadership. Jeff’s writing has appeared in publications as diverse as The New York Times and CrossFit Journal.

Jeff competed in the CrossFit Games Southeast Regionals in 2010 as an individual competitor and 2012 as a team competitor. If you don’t find him training hard or coaching athletes to PRs at CrossFit Impulse, then he’s probably wakeboarding, snowboarding, or eating meat off the bone.

Jeff Barnett

Fitness

  • The 8-Minute Bodyweight Circuit: Does It Actually Work?
  • Should You Squat With Your Knees Forward?
  • Power Production in the Push Press and Squat Jump
  • The Relation Between Rest Interval Mode and Duration in Sprint Training
  • Kids Who Lift Weights Are Better at Soccer
  • The Role of Leg Strength in Plyometrics
  • See It Happen to Make It Happen: How Visualization Makes Athletes More Successful
  • Another Slam Dunk for Outdoor Exercise
  • Blood Type Diet Debunked
  • Prevent Type 2 Diabetes With Resistance Exercise
  • New Study Pits Barbell Squats Against Leg Press Machine
  • A Not-So-Scientific Look at Injury in CrossFit
  • Deeper Squats Win Again
  • Plyometrics: How Much Is Enough?
  • The King of Hamstring Exercises
  • Heavy Squats Improve Vertical Jump
  • Is Static Stretching Back in Style?
  • Research Provides New Insights Into Preventing Shoulder Impingement
  • Ice Bath Better than Contrast Bath for Recovery
  • Longer Strides, Faster Steps Key to Sprinting
  • Does Screen Time Make Babies Obese?
  • Feedback From a Coach Can Improve Your Performance
  • To Get Your First Double Under, Ditch the Singles
  • More Volume = More Strength
  • Science Says: Your Energy Drink Isn’t Special
  • Do Cell Phones Make You Fat?
  • Maximize Your Strength and Gains With This Simple Rep Scheme
  • How to Stretch Before Your Workout: Use Science AND Common Sense
  • When Stress and Genitals Collide
  • Want Strength? Science Says Cut the Cardio
  • A Quick Look at Preventing and Treating Shoulder Instability
  • Kettlebells Improve Balance and Job Satisfaction
  • Weighted Sled Tows Improve Sprint Performance Over Sprinting Alone
  • Mental Strategies from Professional Strength and Conditioning Coaches
  • Listening to Music Enhances Post Workout Recovery
  • An Analysis of the Hormonal Response to CrossFit
  • Science Says You Get Better Results With a Coach
  • The People You Think Are Naturally Good Are Actually Just Practicing
  • Science Says Foam Rolling Increases ROM and Does Not Decrease Strength
  • Power Output Comparison of Power Clean, Hang Power Clean, and High Hang Power Clean
  • Doing Cardio First Lowers Your Testosterone and GH
  • Strength Training Is Better Than Soccer for Kids
  • Football Players Are Getting Bigger and Bigger
  • Outdoor Exercise Beneficial to Mood and Self-Esteem
  • 4 Factors That Help Your Child Eat Healthier
  • Scientifically-Proven Tips for Faster Sprinting
  • Statins Negate Positive Effects of Fish Oil
  • The Best Tactics for Teaching Your Child to Eat Well
  • Mixed Method Training May Develop Power Best
  • Long Distance Running Might Be Why Human Brains Are Big
  • Science Takes a Look: Cardio First or Strength First?
  • Back Squats Just Prior Improve Vertical Jump Performance
  • Autism and Down’s Syndrome Improved with Exercise
  • How Exactly Do Squat Suits Improve Squat Performance?
  • Isometric Exercises Just Prior to Rowing Improve Sprint Times
  • Can Your Brain Detect a Lopsided Barbell?
  • Boys Are Taught to Throw, Girls Are Not
  • Improve Your Sprinting By Lifting Heavy 10 Minutes Prior
  • Science Says: 70% Is Your Most Powerful Power Clean
  • Science Says: Visualization Improves Strength Training
  • How Deep Should You Squat? Science Compares Partial and Full Squats
  • Science Says: Skechers Shape-Ups Are Worthless
  • Dynamic Stretches Improve Flexibility and Strength
  • How Music Affects Your Workout
  • Put Down That Ice Pack: Science Casts Doubts on Icing
  • Breaking Research News: Weightlifting Improves Your Weightlifting

Healthy Eating

  • Fast Food Is Only Part of the Picture
  • Is the Anabolic Window a Myth?
  • Alternate Day Fasting Reduces Body Fat and Cholesterol
  • The Power of Carbs
  • Is Gluten Free for Everyone?
  • Vitamin D: Is Sunlight Enough?
  • Prolonged Exercise? Sip on Some Carbs
  • How Long Does It Take to Get Hydrated?
  • Science Says Post Workout Meal Not Necessary
  • High Fructose Corn Syrup (HFCS) Linked to Obesity
  • Science Says: Fish Oil Improves Memory
  • Want More Muscle? Science Says Eat More Protein
  • NO-Shotgun and NO-Synthesize Increase IGF-1 and Hypertrophy
  • Breakfast Eaters Are Slimmer, More Active, and Less Depressed
  • Is Coffee Good or Bad for Your Testosterone?
  • Beta-Alanine Improves Sprint Performance
  • CreaPure vs. Kre-Alkalyn: Which Is Better?
  • How to Time Your Protein Intake to Build Muscle
  • Put Down That Steak: You’re Eating Too Much Protein

Learn

  • Battling Ropes: Just Another Fad?
  • Bench Press, Sex, and Rest Intervals: What’s the Best Combo?

Reviews

  • Supplement Face-Off: Baking Soda Versus Beta-Alanine
  • Caffeine Decreases Muscle Soreness
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