Nash Fountain used to be the world Decathlon (the best all-around Track & Field Athlete) champion when he was 25 years old. Now, 30 years later, he comes to you and complains of feeling like he has less power, strength, speed, cardiorespiratory endurance, and muscle-mass despite the fact that he still weighs 150lbs like he did when he was 25 years old. Explain to Nash, in great detail, what contributing factors are associated with why he now feels the way that he does at the “ripe-old-age” of 55 years old (160bts).Instructions:the case study essay questions and answer the question thoroughly in 2–4 pages. Be specific in your answer. You may utilize the course presentations, lectures, and the textbook as resources; but you do not need to incorporate outside sources. While no specific style guide usage is required, your response must be in paragraph form and double spaced with 12-point, Times New Roman font. Also, remember to include your name at the bottom of the last page. Remember that you are now “the exercise physiology guru”. Thus, relax, think critically, and good luck!Textbooks:Haff, G.G. & Triplett, N. T. (2016). Essentials of Strength Training and Conditioning. Champaign, IL: Human Kinetics Powers, S., & Howley, E. (2018). Exercise physiology (10th ed.). New York: McGraw Hill.