March 24, Jacquelin Perry, M. She was born on May 31, and died on March 11, Perry was a key researcher in gait and abnormal gait. Before beginning her medical studies Dr.
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A major in physical education introduced her to anatomy and provided a strong background in kinesiology with application to sports. Subsequently, she became a physical therapist Walter Reed Army Hospital, , which expanded her knowledge of anatomy, kinesiology, and disability.
Her physical therapy experience in Army hospitals during World War II provided a broad clinical experience In addition to working with a regular flow of trauma patients, she spent 2 years at a center that had Army programs for poliomyelitis and rheumatoid arthritis.
There she taught anatomy, kinesiology, and therapeutic exercise as well as the modalities. Both normal and disabled gait were strong elements of this program. After the war ended, she used her GI bill to go to medical school UC San Francisco, for the specific purpose of becoming an orthopaedic surgeon.
Observational gait analysis and experience in correcting disabled gait became daily practice. In , poliomyelitis was the entire focus of the rehabilitation program. Disability of lower limbs, spine, and arms were all major concerns while bracing and reconstructive surgery received equal emphasis. Working with this program further expanded her knowledge of muscle function and gait disability.
In addition, her experience in observing polio survivors exposed her to a number of different gait patterns as the type of paralysis resulting from this disease varies from patient to patient. Following introduction of the Salk vaccine, polio was conquered so Dr. Perry and her colleagues redirected their attention to other types of chronic impairments.
Later, amputee and problem back services were added. At first, the program was for general rehabilitation. Then as the patient groups became large, they formed separate clinical categories with a ward for each While continuing the polio spine surgery program, Dr. Perry also developed a stroke unit.
Responsibility for persons disabled by a stroke forced her to expand her analysis process, as the functional pathology of individuals with hemiplegia is much more complex than that of polio. Because the standard clinical examination findings correlated poorly with the gait dysfunctions, a system of observational gait analysis was initiated. Developed in conjunction with a group of knowledgeable and dedicated physical therapists, the Rancho Los Amigos Observational Gait Analysis System became highly organized.
For the first time, there was a means of cataloging the multiple dysfunctions that occur with the various types of pathology. For the past 25 plus years, they have taught this program nationwide.
The organizational background of this book is based on this program. A second development was the gait laboratory Its initial purpose was to document the improvement from reconstructive surgery in patients who could not be returned to normal function based on traditional rehabilitation therapy.
This system was designed to help ascertain whether surgery actually was the better alternative for these patients. Out of this beginning was developed a functional diagnostic system to be used for planning the reconstructive surgery of patients with spasticity. The emphasis of the program was, and still is, kinesiological electromyography because the primary disability of patients with spasticity is inappropriate muscle action errors in timing and intensity.
Clinical service and research have had equal emphasis from the beginning. Another novel emphasis has been on energy cost analysis of walking. An outdoor court was designed where habitual gait could be studied Dr.
Robert Waters spearheaded this. All types of disability have been studied over the years and continue to be seen as the clinical need increases cerebral palsy, hemiplegia, spinal cord injury, post polio, arthritis, joint replacement, amputees, myelodysplasia, and muscular dystrophy. During her career, Dr. Perry has received numerous awards for her pioneering work in many areas of gait and orthopaedics. She received the Kappa Delta Award Orthopedic Research Society, for landmark work with dynamic electromyography to define muscle function in cerebral palsy and the Isabelle and Leonard H.
Perry continues her lifelong dedication to the research and clinical application of gait. This publication encompasses the extensive work of Dr. Perry and her successful years as a therapist and a surgeon renowned for her expertise in human gait.
Judith M. Burnfield, PhD, PT is a most welcome co-author. She has excellent analytical skills and has an outstanding command of words. In addition, her scientific preparation and professional experience give her a unique perspective of impaired gait. The analytic process encouraged during weekly gait sessions many led by Dr. Perry tapped into her investigative nature. Her initial work on the Ortho-Diabetes Service further sparked her passion for understanding gait.
During this period, Dr. Gait was a central component of the course. Subsequent work on the Stroke Service, Gerontology Service, and in the Polio Clinic at Rancho expanded her knowledge related to the profound impact of weakness on movement disorders. Burnfield engaged in formal training to become a Rancho Gait Instructor.
She then led gait sessions at Rancho and started teaching workshops around the country for therapists and physicians. In , Dr. Her doctoral research, under the advisement of Dr.
Christopher Powers, focused on human and environmental factors contributing to slips and falls during walking. She co-developed and taught the introductory and then advanced observational gait analysis courses for students enrolled in the clinical doctorate of physical therapy program at USC. Her work in the latter environment focused on clinical and research studies quantifying gait abnormalities through the analysis of kinematic motion , kinetic moment and electromyographic muscle activity data.
The unique research and teaching experiences in the two environments complimented each other well and provided a framework for her role instructing Biomechanics and subsequently Kinesiology in the Physical Therapy Program at Mount St. Following completion of her doctoral studies, Dr. Burnfield engaged in a postdoctoral fellowship with Dr. Jacquelin Perry. This mentorship had a profound influence on Dr. This focused period of inquiry provided a strong foundation for their subsequent collaboration on the second edition of this book.
In October , Dr. Burnfield has developed a dynamic research laboratory that capitalizes on the close proximity of patients and clinicians, a strong network of research collaborators internally as well as from universities and industry, and a diverse group of undergraduate and graduate students willing and eager to learn and contribute.
Research efforts focus on developing and studying new treatments and technologies to help individuals with physical disabilities walk, exercise, and live more independently.
The fully instrumented Chapin Gait and Motion Laboratory within the Movement and Neurosciences Center includes state-of-the art technology and software for conducting biomechanical and physiological analyses of movement function including a twelve-camera infrared motion analysis system, channel and channel portable electromyography technology, four force platforms, a footswitch system and plantar pressure mapping technology, and a meter walkway with an overhead safety support track and full-body harness system.
In addition to a vigorous research agenda, Dr. Burnfield continues to teach gait in the academic setting and presents both nationally and internationally on gait and rehabilitation related topics.
Gait Analysis: Normal and Pathological Function
Click for more information about this text. Effectiveness depends on free joint mobility and muscle action that is selective in both timing and intensity. Normal function is also optimally conservative of physiologic energy. Pathologic conditions alter the mode and efficiency of walking. The loss of some actions necessitates substitution of others if forward progression and stance stability are to be preserved.
Her major in physical education introduced her to anatomy and provided a strong background in kinesiology with application to both sports and corrective therapy for the disabled. Subsequently she became a physical therapist Walter Reed Army Hospital, which expanded her knowledge of anatomy, kinesiology, and disability. Although her physical therapy experience was in army hospitals during World War II, the clinical exposure was very broad In addition to working with a regular flow of trauma patients, she spent two years at a center that had army programs for poliomyelitis and rheumatoid arthritis. There she taught anatomy, kinesiology and therapeutic exercise as well as the modalities. Both normal and disabled gait were strong elements of this program.