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Brigham Young University

Obesity

Journal of Undergraduate Research

Kinesiology

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Eccentric Vs. Concentric Exercise Intervention During Extreme Post-Surgery Weight Loss, Joshua Kelley, Lance Davidson May 2017

Eccentric Vs. Concentric Exercise Intervention During Extreme Post-Surgery Weight Loss, Joshua Kelley, Lance Davidson

Journal of Undergraduate Research

In the past decade severe obesity (body mass index of greater than 35 kg/m²) has increased by 70 percent and is considered the fastest growing BMI category in the United States. Severe obesity has been linked with a low quality of life and a variety of comorbidities. As a result, the amount of various weight loss surgeries have dramatically increased, enabling individuals to lose large amounts of weight in a short period of time. Following Roux-en-Y-Gastric-Bypass surgery, 30-35 percent of the total weight lost is considered muscle mass or fat free mass (FFM) and a 20-40 percent decrease in muscular …