300,000 Certifications Worldwide

300,000 Certifications Worldwide

143 Countries Around The Globe

143 Countries Around The Globe

30+ Years in Fitness Certifications

30+ Years in Fitness Certifications

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No Credit Checks. No Fees. No Taxes.

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Physiology of Resistance Training Part 1: What Every Professional Needs to Know

Physiology of Resistance Training Part 1: What Every Professional Needs to Know

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About The Course

This course is the first of a three-course ensemble about the physiology of resistance training. In Part 1. Immediate Responses, Dr. William Kraemer, one of the world's leading authorities in the field of strength fitness, delves into the practical basics about optimal resistance training variables (load, frequency, intensity, rest periods, single vs. multiple joint movements) and methods (concentric, eccentric, isometric muscle actions). Other topics consider hormone, neural, metabolic, and cardiovascular responses to resistance training in the novice to experienced athlete. The course also reviews the latest findings about overtraining, optimal exercise order, fast vs. slow velocity resistance training, and creatine supplementation. Dr. Kraemer's blend of practical experience integrated with the latest scientific information makes this a must have course for every personal trainer and allied health and fitness professional.

Features online enrollment, online exam and instant grading. Optional automatic online certificate. Paper certificate mailed within ten days of passing online exam.


Hear how ISSA has helped students like you

Keila Lounds

I learned so much about what it takes to be a trainer. The program covers tons of information, but it was manageable and very useful and relevant.

Keila Lounds

Jesse Scheide

The ISSA has not only helped me to become a better athlete and aspiring trainer but more importantly a better person.

Jesse Scheide

Kam Hogan

The business resources provided as part of the course material really help to set up your own personal training business with form templates and tips to help you hit the ground running and succeed!

Kam Hogan

Michelle Rossi

The program is organized, well-priced, and super informative. It took me only four months to complete my certification.

Michelle Rossi

Tanya Feliciano

The ISSA courses are wonderful. I love being able to work at my own pace. They have so many certifications to choose from. ISSA has really helped take my career to the next level.

Tanya Feliciano

Danees Kazi

As the coursework progressed I began seeing my clients through a different perspective and i firmly believe that ISSA is responsible to give me this sense of professionalism and belonging!

Danees Kazi

Jack Stoliker

I had taken one or two other courses by different organizations before and they were nowhere near as thorough and in-depth as this one.

Jack Stoliker

Helene Bingley

I have already recommended ISSA to people who have reached out to me inquiring about my satisfaction and thoughts and I will continue to do so.

Helene Bingley

Sarah Turnley

After now having received my certification through ISSA, I feel confident that I'm ready to start my business.

Sarah Turnley

Jehad Refaat Abdel Hamid

The amount of knowledge in the textbook is really satisfying for someone who’s interested in both fitness and the sciences of the human body, and who’s willing to learn about the relationships between them.

Jehad Refaat Abdel Hamid

Melissa Remoli

I found it to be challenging, informative, and very current. ISSA provides great communication and they are always there from start to finish.

Melissa Remoli

John Heerschap Jr

ISSA has given me the confidence I need to train people and train them right.

John Heerschap Jr

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