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Elegant Harmony

by Brandon Monzon05/24/2017

How do dancers efficiently use motion in modern dance to create elegant movement with their instruments? Professor Bill DeYoung is exploring that question.

Advances in kinesiology and movement research during the last half-century have enabled DeYoung to develop the Aesthetics of Balance Project (ABP). The goal is to help dancers become more aware of how the human instrument works by developing training tools that enable them to identify specific muscle connections to enhance technical performance.

The ABP, which is funded by research grants from U-M's Office of Research and SMTD, comprises two teams. One team is focusing on developing a wearable "inertial measurement unit" (IMU) that provides sound feedback to enable balance training tools for dancers. The other team is developing smartphone delivery of physical therapy exercises for dancers. DeYoung developed the ABP by partnering with physicians, physical therapists, biomechanical engineers, and cinematographers-along with SMTD dance faculty, alumni, and current students.

DeYoung's interest in this area is not surprising; before becoming a dancer, he was a pre-med student. "After my first year I decided I needed to break out because it didn't feel right," he said. "An experience in theatre helped me find dance, and it was a calling fulfilled."

It's not unusual for dancers to have an interest in medicine and physical therapy; the synergy between the fields often leads to dual careers. Many SMTD dance alumni obtain doctorates in physical therapy, and former and current students frequently pursue minors or dual majors in the U-M School of Kinesiology. In fact, DeYoung and dance professor Angela Kane coordinated a dance science group that met with physical therapists and doctors in different areas of the University.

For DeYoung, the role of momentum in dance is key, and he uses it as a learning tool in his technique classes. This came up in conversation with Dr. Andrew Haig during a personal visit, which led to an important collaboration. Haig is a physician specialist in physical medicine, a field that treats a wide variety of medical conditions affecting the brain, spinal cord, nerves, bones, joints, ligaments, muscles, and tendons.

"My daughter is a dancer, and I happen to care for some dance faculty in my clinic," Haig said. "I saw their brilliance regarding how the human body moves. Dancers need strength, coordination, flexibility, endurance, and grace, which is the last piece missing in so much of our science. Bill and I realized that if we could more scientifically understand the factors that lead to graceful movement, we might impact much more than dance and sports performance."

Haig encouraged DeYoung to consider the impact of his research beyond dance. "Falls in the elderly, rehabilitation for stroke victims, daily life for kids with cerebral palsy...all of these situations might be improved if we added that component of movement to our thought processes," said Haig. "When we can capture and teach sophisticated movement, I think we will have developed the tool that radically changes the way we treat people with movement disorders, whether the cause is stroke, brain injury, or nerve disease. That will be huge in my field."

In addition to physicians, the ABP also needed the help of engineers. DeYoung first worked with Efren Cruz, an engineering doctoral student with experience in machine learning, to find out how to best quantify and classify the grace and balance that skilled dancers possess.

Then, in September 2015, Antonia Zaferiou, a postdoctoral student in biomechanics from the University of Southern California (USC), joined U-M to learn more about wearable sensors and to develop interactive biofeedback technology that relays mechanics through music.

At USC, Zaferiou had begun developing ways to convey mechanical information, specifically the forces between a dancer and the ground, using music. The work was in collaboration with Vangelis Lympouridis, who used IMUs during his doctoral studies to allow flamenco dancers to control their music with their movements.

"I met Bill when I started looking to take dance classes in Ann Arbor," said Zaferiou. "We immediately discovered that we had overlapping research interests, so we brainstormed to discover how to best collaborate. The combination of Bill's dance expertise and my biomechanics expertise fused seamlessly, allowing us to embark on developing this innovative technology."

Zaferiou focused the project on measuring the control of the pelvis using a wearable IMU. In this project, the IMU measures how the pelvis is controlled while a dancer moves through space and uses sonification-the use of music to convey data-to help train the dancer. The IMUs have three internal components: an accelerometer that measures how quickly something changes speed and/or direction; a gyroscope that measures how quickly something is rotating or tilting (including direction); and a magnetometer, which measures the direction of magnetic north.

Since January 2016, Cruz and Zaferiou have been co-mentoring engineering and kinesiology graduate students with the goal of finding the best way to measure, process, and sonify pelvis motion using an IMU

This "wearable tech" can help dancers understand the process of knowing their bodies, and has also helped DeYoung in his classes. "I like to ask students how we can work harmoniously with the physics of the world we live in, how to understand that gravity works 32 feet per second, squared," said DeYoung. "To be in harmony, to turn, to jump, cuts through all of the techniques our students will learn over four years. I really think it's about helping dancers to attain elegant and harmonious movement."

The other research thrust of the ABP hopes to display those elegant movements, along with physical therapy exercises for dancers, through an innovative delivery method via a smartphone app or eBook.

In December 2015, DeYoung led a team consisting of U-M MedSport physical therapist Kristen Schuyten, professional cinematographer David Blood, producer and dance alumna Ericka Frederick (BFA '92), and staff at U-M's Digital Media Commons in a three-day shoot for this second area of ABP research. The shoot used a 3D anatomical rigging model that synced up with motion capture footage of SMTD dancers. These videos aim to reveal the deeper layers of musculoskeletal structures that need to be engaged for proper balance and execution of the physical therapy exercises.

The videos are a key research and development component for the ABP. Partnering with Jessica Soulliere, digital technologies senior licensing specialist for the Office of Technology Transfer at U-M, DeYoung and Schuyten are working on the beta version of their software. They have had an FDA assessment and are now in the process of meeting with software developers.

DeYoung is fully committed to the ABP, and remains passionate about the project. "As an older dancer, I keep learning new things about my instrument, so it's a path that doesn't stop," he said. "Knowing thyself in an embodied way has kept me as enthusiastic as I was when I first began my dance career. We are all curious and follow different threads, but it is always about that sense of asking questions and finding answers."

past news

May 2017

Elegant Harmony 05/24/2017

April 2017

Clare Croft, assistant professor of dance, received a grant of $6,000 from the National Endowment for the Humanities (a summer stipend) to support work on her current book project, a biography of American dance critic and lesbian activist Jill Johnston (1929-2010).      04/10/2017

March 2016

Congratulations to junior dance major Danielle Fattore, who was one of four winners of the 2016 Joffrey Ballet School Summer Scholarship Contest! Fattore will have the opportunity to participate in a 2016 Joffrey Ballet School Summer Intensive of her choice!   03/07/2016

August 2014
July 2014

Arthur F. Thurnau Professor of Dance, Peter Sparling is a recipient of a Distinguished University Professorship. Effective September 1, Sparling will be a Rudolf Arnheim Distinguished University Professor. This appointment is one of the highest honors the University can bestow upon a faculty member.   07/18/2014

U-M, GVSU collaboration to bring alternative-energy inspired arts performance to Muskegon 07/16/2014

December 2013

Students enrolled in the 2013 "Dance and Related Arts" course present Between the Hairs, an evening of collaborative works inspired by interdisciplinary artist Meredith Monk. The concert is the culmination of a semester-long exploration of movement, music, collaboration, and the creative process.   12/05/2013

November 2013

SMTD Department of Dance professor Peter Sparling and U-M Life Sciences Institute professor Dan Klionsky collaborated on a project to explain the science of autophagy through dance. A segment of DPTV's "Detroit Performs" covers the story and can be seen on demand starting Nov. 13.   11/12/2013

October 2013

Congratulations to dance students Maddy Rager and Nola Smith, winners of the 2013 Maggie Allesee New Choreography Award for their duet "Small Victories," which they performed at Michigan Dance Day at Hope College. This is the second year in a row that the award has gone to U-M Dance students.   10/17/2013

September 2013

Judy Rice, associate professor of dance, is the subject of the cover article for the September issue of Dance Teacher Magazine. This is the "college issue" that includes a Higher Education Guide for its 80,000+ readers.    09/19/2013

Alumni to be Honored at Awards Ceremony on October 4 09/09/2013

November 2011
June 2011
February 2011
Current News
Taking a Bite of the Big Applemore
Alumni and Faculty Finalists of Third Century Screens (3CS) Competition at Third Century Expomore

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Photography Credits:

U-M Photo Services

Joe Welsh

Peter Smith

David Smith

Glen Behring

Tom Bower