Gait and Motion Analysis Laboratory
Gait Analysis
Extensive measurements of legs and pelvis are taken.
Reflective markers are placed over specific bony landmarks on the body. These markers are attached to the skin using adhesive tape or elastic wrapping. The subject walks on the walkway/treadmill. The markers are photographed in motion by a ten-camera optoelectronic motion capture system and integrated digital video recording system. Forceplates in the walkway/treadmill gather kinetic data as the subject walks over them. A computer workstation equipped with a full suite of motion analysis software permits the gait data to be analyzed. Kinematic and kinetic data are integrated for mechanistic analysis and modeling. Gait analysis allows us to explore the underlying mechanism of the determinants of gait. We have used model-based techniques extensively to explore fundamental issues of gait biomechanics and explore the relationships between gait impairments and functional disabilities. These combined approaches provide a foundation for developing methods of elucidating the mechanism by which specific impairments
produce disabilities and specific interventions act to reduce those disabilities.
Quantitative Gait Analysis in the Rehabilitation Setting
D. Casey Kerrigan, MD, MS
Patrick O. Riley, PhD
Ugo Della Croce, PhD
Jay Dicharry, Lab Coordinator