PEER-REVIEWED SCIENTIFIC PUBLICATIONS

Karp, J.R. Training Characteristics of Qualifiers for the U.S. Olympic Marathon Trials. International Journal of Sports Physiology and Performance. Mar. 2007, 2(1), pp. 72-92.

Karp, J.R., Johnston, J.D., Tecklenburg, S., Mickleborough, T.D., Fly, A.D., and Stager, J.M. Chocolate Milk as a Post-Exercise Recovery Aid. International Journal of Sport Nutrition and Exercise Metabolism. Feb. 2006, 16(1), pp. 78-91.

Karp, J.R. Muscle Fiber Types and Training. Strength and Conditioning Journal. Oct. 2001, 23(5), pp. 21-26.

Karp, J.R. Interval Training for the Fitness Professional. Strength and Conditioning Journal. Aug. 2000, 22(4), pp. 64-69.

BOOKS

Karp, J.R. How to Survive Your PhD: The Insider’s Guide to Avoiding Mistakes, Choosing the Right Program, Working with Professors, and Just How a Person Actually Writes a 200-Page Paper. Naperville, IL: Sourcebooks. In press (December 2009).

Karp, J.R. Chapter Contributor, “Some Training Methods for Middle and Long Distance Running.” In: Doherty, K. and Kernan, J.N. Track & Field Omnibook (5th Edition). Mountain View, CA: Tafnews Press, 2007, pp. 177-179.

Karp, J.R. Directions for SPSS®: A Manual for Students in Statistics. Bloomington, IN: RunCoachJason.com, 2004.

SCIENTIFIC ABSTRACTS 

Karp, J.R. and Robergs, R.A. Lungs and Legs: Entrainment of Breathing to Locomotion in Highly Trained Distance Runners. Medicine and Science in Sports and Exercise. May 2009, 41(5), p. S33.

Karp J.R. Training Characteristics of the 2004 U.S. Olympic Marathon Trials Qualifiers. Journal of Exercise Physiologyonline. March 2006, 9(2).

Karp, J.R. and Stager, J.M. Training Characteristics of United States Olympic Marathon Trials Qualifiers. Medicine and Science in Sports and Exercise. May 2005, 37(5), p. S88.

Karp, J.R., Johnston, J.D., Tecklenburg, S., Mickleborough, T., Fly, A., and Stager, J.M. The Efficacy of Chocolate Milk as a Recovery Aid. Medicine and Science in Sports and Exercise. May 2004, 36(5), p. S126.

CONSUMER & TRADE MAGAZINE ARTICLES  

Karp, J.R. Be a Runner for Life: 5 Things That Will Help You Stay Injury-Free. SELF. In press (Aug. 2009).

Karp, J.R. Can Strength Training Make You a Faster Runner? Ultra-Fit. In press (Aug. 2009).

Karp, J. Essentials – Chest: How Long Should You Rest Between Sets? Maximum Fitness. July/Aug. 2009, 4(19), p. 22.

Karp, J.R. Chasing Pheidippides: The Science of Endurance. Modern Athlete & Coach. In press (July 2009).

Karp, J.R. Beat Marathon Fatigue. Ultra-Fit. July 2009, 19(5), pp. 64-67.

Karp, J.R. Training by Time. Running Times. June 2009, 367, pp. 25,28.

Karp, J.R. Chasing Pheidippides: Marathon Training 101. IDEA Fitness Journal. June 2009, 6(6), pp. 27-31.

Karp, J.R. Free & Not So Free Energy: Understanding Energy Pathways. Ultra-Fit. June 2009, 19(4), pp. 65-67.

Karp, J.R. Training Characteristics of the 2004 U.S. Olympic Marathon Trials Qualifiers. Marathon & Beyond. May/June 2009, 13(3), pp. 66-76.

Karp, J. Essentials – Chest: How Many Sets Do You Need? Maximum Fitness. May/June 2009, 4(18), p. 22.

Karp, J.R. Cruise Control. Runner’s World. May 2009, 44(5), pp. 31,34.

Karp, J.R. The Bare Bones. IDEA Fitness Journal. May 2009, 6(5), pp. 35-41.

Karp, J. Essentials – Arms: Size Matters. Maximum Fitness. Mar./Apr. 2009, 4(17), p. 23.

Karp, J.R. Target Heart Rate. Personal Training on the Net (www.PTontheNet.com). Mar. 2009.

Karp, J.R. How Fast Can Johnny Run?: Assessing Sprinting Ability. Track Coach. Spring, 2009, 187, pp. 5974-5976.

Karp, J.R. The Go Fast Five: Five Physiological Lessons You Must Learn and How They Can Make You a Faster Runner. Ultra-Fit. Mar. 2009, 19(3), pp. 64-67.

Karp, J.R. The Three Metabolic Energy Systems. IDEA Fitness Journal. Feb. 2009, 6(2), pp. 26-29.

Karp, J.R. Do This, Not That. Ultra-Fit. Feb. 2009, 19(2), pp. 64-67.

Karp, J.R. Ultimate Training: Guide For 10K Through Ultramarathon. Trail Runner. Jan. 2009 (Annual Race Issue), 56, pp. 12,15-18.

Karp, J.R. Measuring Fitness Levels. Personal Training on the Net (www.PTontheNet.com). Jan. 2009.  

Karp, J.R. Drop Sets. Personal Training on the Net (www.PTontheNet.com). Jan. 2009.

Karp, J.R. Muscle Activity and Body Position. IDEA Fitness Journal. Jan. 2009, 6(1), pp. 26-28.

Karp, J.R. Weight Machines vs. Free Weights. Ultra-Fit. Jan. 2009, 19(1), pp. 65-67.

Karp, J.R. Do This... Don’t Do That. Duke City Fit. Winter 2008-2009, pp. 11-13.

Karp, J.R. Room to Move. Hemispheres. Dec. 2008, p. 32.

Karp, J.R. Running Errors. Ultra-Fit. Nov. 2008, 18(9), pp. 72-75.

Karp, J.R. Marathon des Sables. Personal Training on the Net (www.PTontheNet.com). Nov. 2008.

Karp, J.R. Chasing Pheidippides: The Science of Endurance. IDEA Fitness Journal. Oct. 2008, 5(9), pp. 28-31.

Karp, J.R. Airport Health Clubs. Hemispheres. Oct. 2008.

Karp, J.R. Weight Training Positions. Personal Training on the Net (www.PTontheNet.com). Oct. 2008.

Karp, J.R. 6 Simple Ways to Reach Your Best Body. Shape. Oct. 2008, 28(2), pp. 168-173.

Karp, J.R. The Best Types of Cardio Equipment. Ultra-Fit. Oct. 2008, 18(8), pp. 72-74.

Karp, J.R. The 7 Habits of Highly Effective Triathletes. Atlanta Sports & Fitness. In press.

Karp, J.R. Fast-Twitch or Slow-Twitch: Which Type Are You? Ultra-Fit. Sept. 2008, 18(7), pp. 24-26.

Karp, J.R. Resting Metabolic Rate. Ultra-Fit. July 2008, 18(6), pp. 72-74.

Karp, J.R. Tapering for a Marathon. Personal Training on the Net (www.PTontheNet.com). July 2008.

Karp, J.R. Fitness News: Work Harder For a Healthy Heart; Oral Contraceptives & Weight Gain; Got Asthma? Eat Fish Oil. Oxygen. July 2008, 11(7), pp. 28,30.

Karp, J.R. Training Characteristics of U.S. Olympic Marathon Trials Qualifiers. New Studies in Athletics. June 2008, 23(2), pp. 31-37.

Karp, J.R. Four Lessons I Have Learned From Physiology and How They Can Make You a Faster Runner. Running Times. June 2008, 357, pp. 42-47.

Karp, J.R. Activating Muscles: How to Change Body Position When Lifting Weights. Ultra-Fit. June 2008, 18(5), pp. 72-74.

Karp, J.R. The Long View. Techniques for Track & Field and Cross Country. May 2008, 1(4), pp. 15-18.

Karp, J.R. The Top 3 Cardio Workouts. Personal Training on the Net (www.PTontheNet.com). May 2008.

Karp, J.R. Chasing Pheidippides: Training to Combat Marathon Fatigue. Marathon & Beyond. May/June 2008, 12(3), pp. 41-45.

Karp, J.R. Top 6 Lessons for Coaching Runners. IDEA Fitness Journal. May 2008, 5(5), pp. 30-33.

Karp, J.R. The Fat Burning Zone: Myth or Magic? Ultra-Fit. May 2008, 18(4), pp. 72-74.

Karp, J.R. Carbohydrates and Distance Running: A Scientific Perspective. Ultra-Fit. Mar. 2008, 18(3), pp. 82-84.

Karp, J.R. Resting Metabolic Rate Revisited. Personal Training on the Net (www.PTontheNet.com). Mar. 2008.

Karp, J.R. Strength Training and Resting Metabolic Rate. Personal Training on the Net (www.PTontheNet.com). Feb. 2008.

Karp, J.R. High-School P.E. Class Revisited. IDEA Fitness Journal. Feb. 2008, 5(2), pp. 32-35.

Karp, J.R. The Road to London. Ultra-Fit. Feb. 2008, 18(2), pp. 76-78,80.

Karp, J.R. Research Update: Show Me the Treadmill! Fitness Management. Jan. 2008, 24(1), pp. 44-46.

Karp, J.R. The Three Players of Distance Running: An In-Depth Look at Running Economy. Track Coach. Winter 2008, 182, pp. 5801-5806.

Karp, J.R. Fitness News: Losing Weight After Childbirth; Train Hard to Burn Fat; Are You Lifting Enough? Oxygen. Jan. 2008, 11(1), pp. 30,34.

Karp, J.R. A Matter of Survival: Training to Combat Fatigue. Running Times. Dec. 2007, 352, pp. 28,30-33.

Karp, J.R. 7 Habits of Highly Effective Triathletes. Triathlete. Dec. 2007, 284, pp. 138-140.

Karp, J.R. My Love Affair With Lactate. Personal Training on the Net (www.PTontheNet.com). Dec. 2007.

Karp, J.R. Fitness News: Sore Muscles? Grab a Coffee. Oxygen. Dec. 2007, 10(12), p. 31.

Karp, J.R. How They Train: A Study of U.S. Olympic Marathon Trials Qualifiers. Running Times. Nov. 2007, 351, pp. 32-33.

Karp, J.R. Rare Air. Running Times. Nov. 2007, 351, pp. 14,16,18.

Karp, J.R. Better Body Series: Caveman Chest. Ultra-Fit. Nov. 2007, 17(8), pp. 66-68,70-71.

Karp, J.R. What’s Your Fitness Level? Ultra-Fit. Nov. 2007, 17(8), pp. 42-46.

Karp, J.R. Fitness News: Plan, Commit, Achieve; Prevent Breast Cancer. Oxygen. Nov. 2007, 10(11), pp. 30,32.

Karp, J.R. The Three Players of Distance Running: An In-Depth Look at Lactate Threshold. Track Coach. Fall 2007, 181, pp. 5782-5785,5793.

Karp, J.R. So, You Want to Join a Gym? Ultra-Fit. Sept. 2007, 17(7), pp. 46-48.

Karp, J.R. Better Body Series: Cool Calves. Ultra-Fit. Sept. 2007, 17(7), pp. 66-68,70-71.

Karp, J.R. Fitness News: Take Your Interval Workouts to the Track; Exercise and Anemia; Care for Concentric?; Bench Press or Push-Up. Oxygen. Oct. 2007, 10(10), pp. 30-31,34.

Karp, J.R. Fitness News: What Time of Day Should You Exercise?; Don’t Stretch for Strength; How Often Do You Need to Train?; Is Interval Training or Continuous Exercise Better for Burning Fat? Oxygen. Sept. 2007, 10(9), pp. 30-32,34.

Karp, J.R. Top 3 Fat-Fighting Workouts. Ultra-Fit. Aug. 2007, 17(6), pp. 58-61.

Karp, J.R. Better Body Series: Popeye Biceps. Ultra-Fit. Aug. 2007, 17(6), pp. 66-68,70-71.

Karp, J.R. Fitness News: How Many Calories Am I Burning?; Drink Chocolate Milk for Optimal Recovery; Weights for Weight Loss; Do Your Liver a Favor: Get Moving; Order in the Gym. Oxygen. Aug. 2007, 10(8), pp. 30-32.

Karp, J.R. The Three Players of Distance Running: An In-Depth Look at VO2max. Track Coach. Summer 2007, 180, pp. 5737-5742.

Karp, J.R. Fitness News: Train Smart; Gear Up for Your Asthma; When Should I Take a Supplement?; Pre-Exercise Nutrition; How Many Joints Should I Train? Oxygen. July 2007, 10(7), pp. 32-34,36.

Karp, J.R. Better Body Series: Blitz Cellulite & Get Your Beach Legs. Ultra-Fit. June 2007, 17(5), pp. 64-66,68-69.  

Karp, J.R. Fitness News: Train for Endurance to Burn More Fat; Exercise and Your Bones; How Do I Get Awesome Abs? Oxygen. June 2007, 10(6), pp. 34,35,38.

Karp, J.R. Summer Body Special: Nix Your UnderButt; Refine Your Abs. Marie Claire. June 2007, 14(6), pp. 204,207.  

Karp, J.R. Miles to Go Before I Sleep: How Much Mileage is Enough? Running Times. May 2007, 346, pp. 38-40,42-45.

Karp, J.R. Hey! Back Off! Tapering for the Marathon. Marathon & Beyond. May/June 2007, 11(3), pp. 20-26.

Karp, J.R. Fitness News: De-training and Fitness; Carbohydrates and Immune Function; How Does Strength Improve? Oxygen. May 2007, 10(5), pp. 32-34.

Karp, J.R. Better Body Series: Beautiful Back. Ultra-Fit. May 2007, 17(4), pp. 64-66,68-69.

Karp, J.R. Better Body Series: Tighter Butt. Ultra-Fit. Apr. 2007, 17(3), pp. 64-66,68-69.

Karp, J.R. Fitness News: The Value of Recovery; Strength Versus Hypertrophy; Lifting Speed: Does It Matter?; When to Squeeze the Muscle?; Pick Up the Pace & Zap More Calories; Better Body Image With Weight Training. Oxygen. Apr. 2007, 10(4), pp. 28-30,32.

Karp, J.R. Better Body Series: Shapely Shoulders. Ultra-Fit. Feb. 2007, 17(2), pp. 64-66,68-69.

Karp, J.R. Get a Grip. Oxygen. Feb. 2007, 10(2), pp. 80-83.

Karp, J.R. Fitness News: Weight Machines Provide Greater Resistance Than Free Weights; Menstrual Cycle and Strength; Hill Running; Exercise More Often to Lower Blood Pressure. Oxygen. Feb. 2007, 10(2), pp. 29,32.

Karp, J.R. On Science and Running. Marathon & Beyond. Jan./Feb. 2007, 11(1), pp. 41-42.

Karp, J.R. The Top Three Marathon Workouts. Marathon & Beyond. Jan./Feb. 2007, 11(1), pp. 85-86,88.

Karp, J.R. Better Body Series: Fab Abs. Ultra-Fit. Jan. 2007, 17(1), pp. 64-69.

Karp, J.R. Personal Training and Cardio? Fitness Management. Jan. 2007, 23(1), pp. 42-43.

Karp, J.R. The Resting Metabolic Rate Debate. Fitness Management. Jan. 2007, 23(1), pp. 44-46.

Karp, J.R. Training Characteristics of U.S. Olympic Marathon Trials Qualifiers. Track Coach. Winter 2007, 178, pp. 5693-5698.

Karp, J.R. Fitness News: Exercise and Bone Density; Muscle Fibers; Is There a Fat-Burning Zone?; Fat Burns in a Carbohydrate Flame. Oxygen. Jan. 2007, 10(1), pp. 28,30,32.

Karp, J.R. Fitness News: Do Muscles Have Tone?; Cardio and Your Health; Exercise and Metabolism. Oxygen. Dec. 2006, 9(12), pp. 28-30.

Karp, J.R. Fitness News: Training Your Back; How Deep Should You Squat?; Periodize Your Training; Choose Your Parents Wisely; It’s as Simple as a Normal Crunch; Eccentric Contractions. Oxygen. Nov. 2006, 9(11), pp. 28-30,32.

Karp, J.R. To Lift or Not to Lift: Put the Dumbbells Down—Why Distance Runners Don’t Need Strength Training. Running Times. Oct. 2006, 340, pp. 22-23,25-26,28-29.

Karp, J.R. Fitness News: Can Exercise Make You Smarter?; Bulging Female Muscles?; Can Stretching Prevent Injuries?; Greater Muscle Growth with Pre-Workout Protein. Oxygen. Oct. 2006, 9(10), pp. 26-27.

Karp, J.R. The Limits of Running Performance. New Studies in Athletics. Sept. 2006, 21(3), pp. 51-56.

Karp, J.R. “I Can’t Catch My Breath”: Lungs and Running Performance. Running Times. Sept. 2006, 339, p. 18.

Karp, J.R. Fitness News: Exercise for a Better Sex Drive ; Have Exercise-Induced Asthma? Try Vitamin C; How Many Sets Do You Need to Gain Strength?; Fitness and Immunity. Oxygen. Sept. 2006, 9(9), pp. 26,28,30.

Karp, J.R. Carbohydrates and The Distance Runner: A Scientific Perspective. Track Coach. Summer 2006, 176, pp. 5622-5627.

Karp, J.R. Is Bigger Better? The Muscular Truth About Tone and Stretching. Trail Runner Inside Dirt e-zine. Aug. 2006.

Karp, J.R. Fitness News: Exercise to Reduce Anxiety; Lungs and Exercise; Rehydrate After Your Workout. Oxygen. Aug. 2006, 9(8), p. 27.

Karp, J.R. The Magic of Muscles. Her Sports. July/Aug. 2006, 15, pp. 30-32.

Karp, J.R. The Errors of Our Running Ways. Running Times. July/Aug. 2006, 338, pp. 28,30-33.

Karp, J.R. Workout Express. Shape. July 2006, 25(11), p. 136.

Karp, J.R. Fitness News: Burn More Calories with Interval Training; Downhill Running; Your Menstrual Cycle and Bone Health. Oxygen. July 2006, 9(7), pp. 26-27.

Karp, J.R. Fitness News: Cardio on an Empty Stomach?; Lactic Acid Doesn’t Cause Muscle Burn; Want to Gain Strength? Get a Trainer; Free Weights Better Than Machines For Increasing Strength? Oxygen. June 2006, 9(6), pp. 25,26,28.

Karp, J.R. “I Can’t Catch My Breath”: Lungs and Distance Running Performance. Track Coach. Spring 2006, 175, pp. 5577-5579.

Karp, J.R. Turn on the Power: Energy System Specific Training. Running Times. May 2006, 336, pp. 16,57.

Karp, J.R. Fitness News: Order in the Gym; Cooling Off; Post-Workout Chow; Cool Your Inflammation. Oxygen. May 2006, 9(5), pp. 26,28,30.

Karp, J.R. Workout Express. Shape. Apr. 2006, 25(8), p. 140.

Karp, J.R. The Burning Question. Runner’s World. Apr. 2006, 41(4), pp. 80-83.

Karp, J.R. Your Ultimate Fat-Burning Cardio Program. Oxygen. Apr. 2006, 9(4), pp. 84-86.

Karp, J.R. Weight Machines vs. Free Weights. Fitness Management. Feb. 2006, 22(2), pp. 50-52.

Karp, J.R. Weight Training for Beginners. Oxygen. Winter 2006, Fat Loss Issue, pp. 32-35.

Karp, J.R. Workout Express. Shape. Nov. 2005, 25(3), p. 140.

Karp, J.R. Ask the Experts column: Hill training. Runner’s World. Nov. 2005, 40(11), p. 36.

Karp, J.R. Lungs and Legs. Track Coach. Fall 2005, 173, pp. 5529-5530,5537.

Karp, J.R. There’s No “I” in Team: How to Find a Training Group. Fitness Plus. Oct. 2005, 21(10), p. 28.

Karp, J.R. Strength Training and the Distance Runner: A Scientific Perspective. Running Times. Oct. 2005, 330, pp. 22-24,26.

Karp, J.R. Chin-Ups, Push-Ups, and Hills. Midwest Running. July/Aug. 2005, 2(5), p. 18.

Karp, J.R. Endorphins—Alignment of the Moons. Midwest Running. July/Aug. 2005, 2(5), p. 19.

Karp, J.R. Show Me the Bagels: Glycogen as a Metabolic Fuel for Runners. Marathon & Beyond. July/Aug. 2005, 9(4), pp. 108-112.

Karp, J.R. Optimal Recovery. Fitness Plus. Apr. 2005, 21(4), p. 35.

Karp, J.R. My Love Affair With Lactate. Track Coach. Spring 2005, 171, pp. 5463-5465,5468.

Karp, J.R. Running Between the Lines: Track Running. Fitness Plus. Oct. 2004, 19(10), p. 22.

Karp, J.R. Speed, Strength, and Power Training for Endurance Athletes. Fitness Plus. July 2004, 16(7), p. 14.

Karp, J.R. Endurance Training Research. Track and Field Coaches Review. Sept. 2002, 75(3), pp. 18-21.

Karp, J.R. and Kelley, L.C. Running at Altitude. Track Coach. Summer 2002, 160, pp. 5097-5100.

Karp, J.R. Top 10 Most Frequently Asked Questions in a Fitness Center (and Their Answers). IDEA Health and Fitness Source. Apr. 2002, 20(4), pp. 59-65.

Karp, J.R. Heart Rate Training for Improved Running Performance. Track Coach. Winter 2002, 158, pp. 5035-5039.

Karp, J.R. Medical and Training Advice column: Training for marathon while playing other sports. Runner’s World. Jan. 2002, 37(1), pp. 26-27.

Karp, J.R. Metabolizing Fat and Carbohydrate. Fitness Management. Dec. 2001, 17(13), pp. 46-49.

Karp, J.R. and Kelley, L.C. Altitude and Figure Skating Performance. Professional Skater Magazine. Nov./Dec. 2001, 32(6), pp. 12-13,26.

Karp, J.R. I've Written the Training Program, Now What? Track & Field Coaches Review. June 2001, 74(2), pp. 17-21.

Karp, J.R. Designing Programs That Work Best for Your Clients. Fitness Management online, June 2001.

Karp, J.R. Muscle Fiber Types and Training. Track Coach. Spring 2001, 155, pp. 4943-4946.

Karp, J.R. Periodization Training. Track Coach. Winter 2001, 154, pp. 4905-4908.

Karp, J.R. Heart Rate Training. Fitness Management. Dec. 2000, 16(13), pp. 37-38.

Karp, J.R. Interval Training. Fitness Management. Aug. 2000, 16(9), pp. 46-48.

Karp, J.R. Periodization Training for Improved Performance. Fitness Management. June 2000, 16(7), pp. 38-41.

Karp, J.R. Training the Energy Systems. Track & Field Coaches Review. June 2000, 73(2), pp. 18-20.

Karp, J.R. A Primer on Periodization Training. IDEA Health and Fitness Source. May 2000, 18(5), pp. 23-29.

Karp, J.R. Flexibility for Fitness. Fitness Management. Apr. 2000, 16(5), pp. 52-54.

Karp, J.R. Strong on Group Strength Training. IDEA Fitness Edge. Nov./Dec. 1999, 2(5), pp. 1-7.

Karp, J. Optimal Athletic Output: University of Calgary Lab Helps Olympic Hopefuls Go for the Gold. Calgary Herald. May 10, 1997, p.B6.

Karp, J. Making Your Writing Richer With Detail. The Writing Room Newsletter. Fall, 1996, pp. 2-3.

POEMS

Karp, J. This is Just to Say. Treasured Poems of America. Sistersville, WV: Sparrowgrass Poetry Forum Inc., 1994, p. 197.

Karp, J. Window Reflections. American Collegiate Poets. Los Angeles, CA: International Publications, 1994, p. 46.