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Physical Activity Predicts Physical Function in Women Undergoing Breast Cancer Treatment

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The American Cancer Society estimates that 1 in 8 women will be diagnosed with breast cancer in her lifetime. Due to 5-year survival rates of 89.7%, it is important to examine factors that impact physical function over the course of cancer treatment. Purpose: To prospectively analyze changes in physical function and the extent to which physical activity predicted these changes in a group of 400 women with recently diagnosed, staged breast cancer. Methods: Three visits were included in this study: pre-surgery, one-year, and two-years post-surgery. Each session consisted of assessments of physical activity (PA), perceived function, strength, shoulder mobility. Results: The women in this study were a mean age of 57 years, overweight with a mean BMI of 29.4 kg/m2, physically inactive, and diagnosed with early stage breast cancer. Linear regression analyses, controlling for age, BMI, and treatment, indicated that baseline PA predicted year one bicep strength (β= .254, p<0.001) and grip strength 
(β= .146, p<0.001) and year two bicep strength (β= .304, p=0.022). Conclusions: Since PA levels before and during treatment are below national recommendations and pre-treatment PA affects physical function, future research should target PA interventions concurrent with treatment to preserve function during survivorship.
Breast Cancer
Physical Activity
Physical Function
Hanson, Lindsey L (author)
Mihalko, Shannon L (committee chair)
Fanning, Jason (committee member)
2018-05-24T08:36:14Z (accessioned)
2018 (issued)
Health and Exercise Science (discipline)
2023-05-24 (liftdate)
2023-05-24 (terms)
http://hdl.handle.net/10339/90739 (uri)
en (iso)
Wake Forest University
Physical Activity Predicts Physical Function in Women Undergoing Breast Cancer Treatment

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