School of Engineering


Blake Ashby

Blake M. Ashby, Ph.D., P.E.

Associate Professor, School of Engineering

Office Address: 325 KEN, Kennedy Hall of Engineering 
Email: ashbybl@gvsu.edu

Education
B.S., Mechanical Engineering, Utah State University, 1998
M.S., Mechanical Engineering, Stanford University, 2000
Ph.D., Mechanical Engineering, Stanford University, 2004

Research Interests
Biomechanics of human movement
Kinematics and dynamics of whole body motion
Modeling and simulation of biomechanical systems

Representative Publications
L.J. Hickox, B.M. Ashby, and G.J. Alderink, “Exploration of the Validity of the Two-Dimensional Sagittal Plane Assumption in Modeling the Standing Long Jump,” Journal of Biomechanics, Vol. 49, pp. 1085–1093, 2016.

J. Pocratsky, B. Ashby, and J. Beasley, “Upper Extremity Kinematics in Sonographers during Kidney Scanning,” Journal of Diagnostic Medical Sonography, Vol. 30, pp. 67–76, 2014.

L. Vetter, J. Beasley, B. Ashby, H. Bullock, C. Conroy, and J. Pocratsky, “Variation of Pinch and Grip Force Between Different Size Transducers: A Preliminary Study,” Journal of Diagnostic Medical Sonography, Vol. 29, pp. 245–252, 2013.

The above articles are from peer reviewed journals. Below are peer reviewed conference abstracts.

L.J. Hickox, B.M. Ashby, and G.J. Alderink, “Effect of Kinematic Symmetry on Standing Long Jump Performance,” 40th Meeting of the American Society of Biomechanics, Raleigh, NC, August 2–5, 2016. 

L.J. Hickox, B.M. Ashby, and G.J. Alderink, “Analyzing Joint Work Symmetry in the Standing Long Jump with a 3D Full-Body Model,” Biomedical Engineering Society Annual Meeting, Tampa, FL, October 7–10, 2015. 

B.M. Ashby, N. Vlietstra, L.J. Hickox, and G.J. Alderink, “Methods for Full Body Inverse Dynamics Analysis of Standing Long Jump,” 39th Meeting of the American Society of Biomechanics, Columbus, OH, August 5–8, 2015. 

L.J. Hickox, B.M. Ashby, and G.J. Alderink, “Validity of the Two-Dimensional Sagittal Plane Assumption in Modeling the Standing Long Jump,” 39th Meeting of the American Society of Biomechanics, Columbus, OH, August 5–8, 2015. 

K. Nottelmann, F. Woods, M. Pittsley, J. Beasley, B. Ashby, and K. Anderson, “How Can Joint Protection Apply to Grocery Shopping? An Evaluation to Determine the Optimal Handle Diameter of Shopping Carts,” American Society of Hand Therapists 37th Annual Meeting, Boston, MA, September 18–20, 2014.

B.M. Ashby, J.M. Bjorum, and M. Gates, “Quantifying Gait and Balance Pathologies of Lumbar Spinal Stenosis Patients using the Gait Deviation Index and Limits of Stability Test,” World Congress of Biomechanics, Boston, MA, July 6–11, 2014.

H. Bullock, L. Vetter, B. Ashby, C. Conroy, J. Pocratsky, and J. Beasley, “Variation of Pinch and Grip Force Between Different Size Transducers and the Related Perception of Pain Experienced by Sonographers,” American Society of Hand Therapists 36th Annual Meeting, Chicago, IL, October 24–27, 2013.

L.K. Kenyon, S. Brooks, K. Rustem, A. Semelbauer, B. Baker, and B. Ashby, “The Impact of a Visual Target on Children’s Limits of Stability in Sitting: A Pilot Study,” American Physical Therapy Association Combined Sections Meeting, San Diego, CA, January 21–24, 2013. 

J.E. Edwards and B.M. Ashby, “Upper Extremity Kinematics in Sonographers during Kidney Scanning,” Biomedical Engineering Society Annual Meeting, Atlanta, GA, October 24–27, 2012.

A. Filush and B.M. Ashby, “Effect of Using Hand Weights on Performance in the Standing Long Jump,” Biomedical Engineering Society Annual Meeting, Atlanta, GA, October 24–27, 2012.

B. Baker, N. Durga, N. Ryan, J. Shaughnessy, L. Kenyon, and B. Ashby, “The Effect of Visual Feedback on the Assessment of Limits of Stability in Sitting Using the Neurocom Balance Master System,” Michigan Physical Therapy Association Fall Conference, Mackinaw Island, MI, September 21–22, 2012. 



John Farris

John P. Farris, PhD

Professor, School of Engineering

Office Address: 223 KEN
Email: farrisj@gvsu.edu

Education
B.S.E. Mechanical Engineering, Leigh University, 1987
M.S.E. Mechanical Engineering, Leigh University, 1988
Ph.D. Mechanical Engineering, University of Rhode Island, 1993 

Research Interests
Pediatric power mobility 
Pediatric seating and mobility 
Adaptive equipment 

Current Projects
Power mobility training and use for children with multiple, severe disabilities
Engineering specifications of power mobility devices 
Adaptive equipment 

Representative Publications
Kenyon LK, Farris JF, Gallagher C, Webster L, Hammond L, Aldrich A.  Power mobility training for young children with multiple, severe impairments:  a case series.  Phys Occup Ther Pediatr.  DOI: 10.3109/01942638.2015.1108380. Article available at: http://dx.doi.org/10.3109/01942638.2015.1108380 

Kenyon LK, Farris JP, Gallagher CA, Hammond L, Webster LM, Aldrich NJ.  Power mobility training for young children with multiple, severe impairments: a case series.  Pediatr Phys Ther.  2015;27(4):E9. 

Kenyon LK, Farris JF, Brockway K, Hannum N, Proctor K.  Promoting self-exploration and function through an individualized power mobility training program:  a case report.  Pediatr Phys Ther. 2015;27(2):200-206.  

Kenyon LK, Farris JP.  Engineering hope: enhancing quality of life through design education.  Proceedings from the 2015 American Society of Engineering Educators Annual Conference & Exposition.  Paper ID #11546.  

Kenyon LK, Farris J, Cain B, King EL, VandenBerg A.  Development of a tool to aid clinicians in creating power mobility interventions.   Pediatr Phys Ther.  2015;27(1):E33-E34.

Kenyon LK, Ripmaster  C, Farris J, Hannum N, Proctor K, Roberts K, Briggs L, Cain B, King E, VandenBerg A, Peck J.  Em-powering children for movement exploration and success: a case series.  Pediatr Phys Ther.  2014;26(1):129.

Kenyon LK, Farris JP, Hoque MH, Radhakrishnan V Schutte K, Sunny N, Proctor K, Ripmaster C.   Enhancing mobility and exploration in young children with motor delays.  Pediatr Phys Ther.  2013;25(4):480.

Rustem K, Ripmaster C, Peck J, Farris J, Kenyon LK:  Moving with Power.  http://apps.apta.org/custom/abstracts/pt2012/AbsAuthIndex.cfm. 



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