Eccentric vs. Concentric Exercise Intervention during Extreme Post-Surgery Weight Loss

Authors

Joshua Kelley, Brigham Young University
Lance Davidson, Brigham Young University

Keywords

eccentric exercise, concentric exercise, post-surgery weight loss, obesity

College

Life Sciences

Department

Exercise Sciences

Abstract

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 strength. Recent studies indicate a loss of FFM up to five years after surgery even when they start to regain weight.

Recommended Citation

Kelley, Joshua and Davidson, Lance (2017) "Eccentric vs. Concentric Exercise Intervention during Extreme Post-Surgery Weight Loss," Journal of Undergraduate Research: Vol. 2017: Iss. 1, Article 198.
Available at: https://scholarsarchive.byu.edu/jur/vol2017/iss1/198