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Simonavice, E. M. (2011). Effects of Resistance Exercise & Dried Plum Consumption on Body Composition, Muscular Strength, & Physical Function in Breast Cancer Survivors. Retrieved from http://purl.flvc.org/fsu/fd/FSU_migr_etd-5184
Breast cancer survivors (BCS) encounter side effects from cancer treatments that negatively affect body composition. Studies have shown that resistance training (RT) and dried plum (DP) consumption may elicit positive body composition changes. The purpose was to assess 27 BCS, (RT, n=14; RT+DP, n=13) pre-and post-intervention (6 months) on the following variables: total body and regional sites (lumbar spine, femur, and forearm) of bone mineral density (BMD) and body composition (by dual energy X-ray absorptiometry), biochemical markers of bone turnover (bone-specific alkaline phosphatase, BAP and tartrate resistant acid phosphatase, TRAP-5b), muscular strength (chest press and leg extension 1-repetition maximums), and physical function (Continuous Scale Physical Functional Performance test). RT consisted of two days/week of ten exercises including two sets of 8-12 repetitions at ~60-80% of 1RM. RT+DP also consumed 90g of DP daily. A one-way analysis of variance (ANOVA) revealed no baseline differences between groups for any of the variables. A two-way group x time ANOVA revealed no interaction for any variables. Time effects were observed for BMD of the right forearm, with the RT+DP group losing significant (p<0.05) BMD from baseline to 6 months (0.476±0.059 to 0.464±0.054g/cm2). No other BMD or body composition variables were changed over the course of the study. TRAP-5b was significantly (p<0.05) decreased for the RT group (4.55±1.57 to 4.03±1.81U/L) as well as for the RT+DP group (p=0.07) (5.10±2.75 to 3.77±1.80U/L). BAP did not change over the course of the study. BCS significantly (p<0.05) increased upper [RT(68±20 to 82±21kg); RT+DP(72±24 to 96±22kg)] and lower [RT(72±19 to 88±28kg); RT+DP(77±17 to 99±19kg)] body strength and total physical function [RT(67.2±10.2 to 73.5±10.1units); RT+DP(63.7±14.1to 73.6±14.5units)]. Results showed DP did not provide additional BMD or biochemical bone turnover benefits to RT for the variables assessed. RT could be an effective means to improve biochemical markers of bone turnover, muscular strength, and physical function in BCS. A longer intervention may be needed to elicit positive changes in body composition and BMD and to reveal the true effects of DP on modulating BMD and biochemical markers of bone turnover.
Body Composition, Bone Mineral Density, Breast Cancer, Muscular Strength, Physical Function, Resistance Exercise
Date of Defense
October 28, 2011.
Submitted Note
A Dissertation submitted to the Department of Nutrition, Food, and Exercise Sciences in partial fulfillment of the requirements for the degree of Doctor of Philosophy.
Bibliography Note
Includes bibliographical references.
Advisory Committee
Lynn B. Panton, Professor Directing Dissertation; Gershon Tenenbaum, University Representative; Bahram H. Arjmandi, Committee Member; Jasminka Z. Ilich, Committee Member; Jeong-Su Kim, Committee Member.
Publisher
Florida State University
Identifier
FSU_migr_etd-5184
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Simonavice, E. M. (2011). Effects of Resistance Exercise & Dried Plum Consumption on Body Composition, Muscular Strength, & Physical Function in Breast Cancer Survivors. Retrieved from http://purl.flvc.org/fsu/fd/FSU_migr_etd-5184
