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.


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Yvonne Roth

My experience with ISSA was amazing. I was so impressed with the online self-study program and how it was organized. I was equally impressed with the staff support, knowledge and integrity!

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Jose Pastrello

ISSA has been outstanding when it comes to educating and certificating their students. The material is easy to ready, with rich content, and well structured.

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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.

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Nicole Holstein

ISSA gave me the opportunity to work independently to study, complete work, and gain knowledge on becoming a personal trainer.

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Megan Ganzagan

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Tim Creasey

I needed a online option that would meet my needs so I could study and also work, the course more than met my needs and expectations.

Tim Creasey

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Their courses work well with my very busy schedule. ISSA's support team has always answered any questions in a timely manner whether it by phone or email.

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Helene Bingley

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Helene Bingley

Jeremiah Simmons

This has changed my perspective on what needs to be done to compete and win!

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Chelsea Mitchell

Not only was the program extremely informative, but the final exam was challenging and really put what I had learned to test.

Chelsea Mitchell

Moji Oluwa

I am so proud to be part of the ISSA family. When I became certified back in 2011, I never knew how quickly my business would become so successful.

Moji Oluwa

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