Monday, October 22, 2012

[115] MTSU bone health study needs older women to volunteer

FOR RELEASE: Oct. 16, 2012

EDITORIAL CONTACT: Gina Logue, 615-898-5081,


MTSU bone health study needs older women to volunteer


MURFREESBORO — An MTSU researcher is seeking participants both on campus and off for an important study on the impact of sedentary behaviors on bone health in older women.


Participants should be postmenopausal women age 65 or older who are able to walk with or without the use of assistive devices. Each volunteer will receive a free bone density scan, and her activity levels will be monitored for seven days.


Saori Ishikawa, a doctoral candidate in the MTSU Department of Health and Human Performance, says she needs 40 people for the first part of her research, which entails bone scan and activity monitoring.


Thirty people will participate in the second part, which involves personal coaching to reduce sedentary behavior. Volunteers for the first phase may also be eligible to participate in the second phase.


She says her analysis of national data indicates that physical activity levels are significant predictors of bone health in adolescents, but sedentary behavior is more significant in predicting bone health in older women.


“My study is an intervention where I communicate with the participants for one month and measure their activity level and sedentary behavior at the beginning and at the end of the study,” Ishikawa said.


Participants will document on a chart the times they take part in specific sedentary behaviors, such as sleeping, lying down to watch television or use electronic devices, non-work-related sitting and work-related sitting.


Based on their responses, Ishikawa will suggest replacing some of those behaviors with relatively simple activities, such as walking while talking on the phone, walking a pet an extra 10 minutes each day, and doing dishes by hand instead of using the dishwasher.


“I’m hoping to get the message out to people that you don’t necessarily have to engage in moderate to vigorous intensity activity,” says Ishikawa. “Having a little bit of activity throughout the day may help you sustain bone health.”


Ishikawa points out that women reach peak bone mass around the age of 30. Bone density in women remains consistent until after menopause, when it drops drastically.


The 28-year-old Ishikawa earned a bachelor’s degree in the University of Tsukuba in Tsukuba, Japan, in 2005, and a master’s degree in athletic training in 2008 from Bridgewater State University in Bridgewater, Mass.


To volunteer for the bone health study, or for more information, contact Ishikawa at 615-898-5545, 774-240-7517 or




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