EDUCATION
Dissertation: Walking energy expenditure in children
with cerebral palsy
* A study examining the interrelationships among muscle co-contraction,
muscle strength, and walking energy expenditure.
Independent Research: Auditory gait feedback and
children with cerebral palsy
* An investigation to test effect of an auditory gait feedback program
on gait
speed and walking economy in children with cerebral palsy.
NIH-Funded Research: Physical growth and the aerobic
demand of locomotion
* A five year study investigating the relationship between physical growth
and
the mass-related gross aerobic demand of locomotion in able-bodied
children and children with cerebral palsy.
The University
of Tennessee, Knoxville, Tennessee 1993 - 1995
Master of Science,
Exercise Science
Advisor:
David R. Bassett Jr., Ph.D.
Thesis: Flexibility and running economy
* A determine whether a relationship exists between selected lower body
flexibility measurements and running economy in well trained distance
runners.
Independent Research: Stride length variation and
running economy
* A research project determining the effect of different grades on running
economy when varying stride length.
East Stroudsburg
University, East Stroudsburg, Pennsylvania 1989 - 1993
Bachelor of Science,
Physical Education- Exercise Physiology
Advisor:
Arnold Goldfuss, Ph.D.
PROFESSIONAL
EXPERIENCE
Graduate Teaching Assistant, The University of North Carolina at Greensboro: 1995 - 2000. Taught exercise and sport science courses such as Exercise Physiology, Exercise Physiology Labs, Fitness for Life, Jogging, Weight Training, and Bowling. Gave lectures and presentations to various upper- and lower-division undergraduate and graduate-level exercise science classes.
Graduate Research Assistant, The University of North Carolina at Greensboro: 1995 - 2000. Assisted in administration, data collection, analyses, and interpretation of various research projects.
Center for Creative Leadership, Greensboro, NC: 1997 - 2000. Conducted physical assessments for executives from the General Motors Corporation. Designed and led group exercise sessions.
Graduate Teaching
Associate, The University of Tennessee, Knoxville: 1993 - 1995.
Taught physical education activity classes such as Exercise and Weight
Control, Jogging, Bowling and Walking. Gave lectures and presentations
to various upper and lower division undergraduate-level exercise science
classes.
TEACHING
EXPERIENCE
WSSD 617 (Sport Conditioning), Millersville University. Teach the physiological principles underlying the process of physical conditioning, 2002.
WELL 175 (Wellness), Millersville University: Teach the concepts and principles pertaining to life span activity, nutrition, and wellness, 2000 - Present.
EDW 636 (Personal
Fitness and Wellness Workshop), Millersville University.
Taught the concepts and principles of lifetime wellness to Pennsylvania
state educators, 2002.
EDW 618 (Healthy
Lifestyle Assessment and Promotion Workshop), Millersville University.
Online workshop that incorporates web resources to assess and promote healthy
living in teachers and their students, 2003.
ESS 375 (Exercise Physiology), The University of North Carolina at Greensboro: Taught basic theory and principles of exercise physiology, 1998.
ESS 375L (Exercise Physiology Laboratory), The University of North Carolina at Greensboro: Taught basic exercise physiology laboratory concepts and techniques, 1997 – 1999.
ESS 220 (Fitness for Life), The University of North Carolina at Greensboro: Taught concepts and principles pertaining to life span activity, nutrition, and wellness, 1998.
ESS 131 (Bowling), The University of North Carolina at Greensboro: Taught rules, etiquette and techniques of bowling, 1995 – 1997.
ESS 130 (Jogging),
The University of North Carolina at Greensboro: Taught concepts and principles
pertaining to jogging, physical activity, nutrition, and wellness,
1996 – 1998.
ESS 125 (Weight Training), The University of North Carolina at Greensboro: Taught various modes of anaerobic activity and presented basic exercise, nutrition, and wellness concepts and principles, 1995 – 1997.
PE 206 (Bowling), The University of Tennessee, Knoxville: Taught rules, etiquette and techniques of bowling, 1995.
PE 226 (Exercise and Weight Control), The University of Tennessee, Knoxville: Taught concepts and principles pertaining to life span activity, nutrition, and wellness specifically dealing with weight loss or management, 1995.
PE 229 (Jogging),
The University of Tennessee, Knoxville: Taught concepts and principles
pertaining to jogging, physical activity, nutrition, and wellness,
1994 – 1995.
PE 231 (Walking),
The University of Tennessee, Knoxville: Taught concepts and principles
pertaining to walking, physical activity, nutrition, and wellness,
1993 – 1994.
PUBLICATIONS
Keefer, D.J.,
Apperson, K., McGreal, S.A., Tseh, W., Caputo,
J.L., Morgan, D.W. (2004). Comparison of Direct and Indirect Measures
of Walking Energy Expenditure in Children with Cerebral Palsy. Developmental
Medicine and Child Neurology, 46(5), 320-324.
Rutkowski, J.J., Tseh, W., Caputo, J.L., Keefer, D.J., Sutika, K.M., Robertson, R.J., & Morgan, D.W. (2004). Perceived Exertion: Absence of signal dominance in female and male children using the OMNI (walk/run) scale. Pediatric Exercise Science, 16, 334-342.
Keefer, D.J., Tseh, W., Caputo, J.L., Apperson, K., McGreal, S., Vint, P., & Morgan, D.W. (2004). Interrelationships among thigh muscle co-contraction, quadriceps muscle strength and the aerobic demand of walking in children with cerebral palsy. Electromyography and Clinical Neurophysiology, 44(2), 103-110.
Keefer, D.J., Tseh, W., Caputo, J.L., Apperson, K., McGreal, S., & Morgan, D.W. (2004). Within- and Between-day Stability of Walking VO2 in Children with Cerebral Palsy. Gait and Posture (In Press).
Morgan, D.W., Tseh, W., Caputo, J.L., Keefer, D.J., Craig, I.S., Griffith, K.E., Akins, M.B., Griffith, G.E., Krahenbuhl, G.S. & Martin, P.E. (2004). Longitudinal stratification of gait economy in young boys and girls: the locomotion energy and growth study. European Journal of Applied Physiology, 91(1), 30-34.
Banz, W.J., Maher,
M.A., Thompson, W.G., Bassett, D.R., Moore, W., Ashraf, M., Keefer, D.J., & Zemels, M.B. (2003). Effects
of resistance versus aerobic training on coronary heart disease risk factors.
Experimental Biology and Medicine, 228 (4), 434-440.
Morgan, D.W., Tseh, W., Caputo, J.L., Keefer, D.J., Craig, I.S., Boblett, K.E., Akins, M.B., Griffith, G., Krahenbuhl, G.S. & Martin, P.E. (2002). Prediction of the Aerobic Demand of Walking in Children: The Locomotion Energetics and Growth Study. Medicine and Science in Sports and Exercise, 34 (12), 2097-2102.
Morgan, D.W., Tseh, W., Caputo, J.L., Keefer, D.J., Craig, I.S., Boblett, K.E., Akins, M.B., Griffith, G. & Martin, P.E. (2002). Longitudinal profiles of oxygen uptake during treadmill walking in able-bodied children. Gait and Posture, 15(3), 230-235.
Keefer, D.J., Tseh, W., Caputo, J.L., Craig, I.S., & Morgan, D. (2000). Stability of running economy in young children. International Journal of Sports Medicine, 21, 583 – 585.
Tseh, W., Caputo, J.L., Craig, I., Keefer, D.J., Martin, P.E., & Morgan, D.W. (2000). Metabolic accommodation of young children to treadmill walking. Gait and Posture, 12, 139 – 142.
Morgan, D.W., Tseh, W., Caputo, J.L., Craig, I.S., Keefer, D. J. & Martin, P. (1999). Sex differences in running economy of young children. Pediatric Exercise Science, 11 (2), 122 – 128.
Morgan, D.W., Tseh, W., Caputo, J.L., Craig, I.S., Keefer, D.J. & Martin, P. (1997). Acquisition of stable treadmill walking mechanics in young children. Children and exercise XIX. N. Armstrong, B. Kirby, J. Welsmon (Eds.), Chapman & Hall: London, 217-226.
Turner, M.J., Howley, E.T., Tanaka, H., Ashraf, M., Bassett, D.R. Jr., Keefer, D.J. (1995). Effect of graded epinephrine infusion on blood lactate response to exercise. Journal of Applied Physiology, 79(4), 1206 – 1211.
Scientific Presentations
Keefer, D.J., Tseh, W., Caputo, J.L.,
Boblett, K.E., Martin, M.B., & Morgan, D. (2004). Unmatched pattern
of response between oxygen consumption and the energy expenditure index during
overground walking in children with Cerebral Palsy. Presented at the
annual meeting of the American Academy for Cerebral Palsy and Developmental
Medicine, Los Angeles, CA, September, 2004.
Morgan, D., Keefer, D., Tseh, W., Caputo, J.,
Craig, I., Griffith, G., Griffith, G., and Vint, P. Walking energy
use in children with spastic hemiplegia. Presented at the North American
Society for Pediatric Exercise Medicine, St. John’s, New Brunswick, Canada.
August, 2004.
Keefer, D.J., Apperson, K., McGreal, S.A., Tseh, W., Caputo, J.L., Morgan, D.W. (2003). Comparison of Direct and Indirect Measures of Walking Energy Expenditure in Children with Cerebral Palsy. Presented at the annual meeting of the American Academy for Cerebral Palsy and Developmental Medicine, Montreal, QC, September, 2003.
Keefer, D.J., Apperson, K., McGreal, S.A., Tseh, W., Caputo, J.L., Morgan, D.W. (2002). Interrelationships Among Thigh Muscle Co-Activation, Quadriceps Muscle Strength and the Aerobic Demand of Walking in Children with Hemiplegic Cerebral Palsy. Presented at the annual meeting of the American Academy for Cerebral Palsy and Developmental Medicine, New Orleans, LA, September, 2002.
Keefer, D.J., Apperson, K., McGreal, S.A., Tseh, W., Caputo, J.L., Morgan, D.W. (2002). Within-day stability of walking oxygen uptake in children with cerebral palsy. Presented at annual meeting of the American College of Sports Medicine, St. Louis, MO, May, 2002.
Morgan, D.W., Tseh, W., Caputo, J.L., Keefer, D.J., Craig, I.S., Griffith, K.B., Akins, M.B., Griffith, G.E., Sutika, K.M., Martin, P.E., and Krahenbuhl, G. S. Longitudinal stratification of gait economy in children. Presented at the annual meeting of the American College of Sports Medicine, St. Louis, MO, May, 2002.
Rutkowski, J.J., Lenz, B.M., Crawford, K., Dube, J.J., Goss, F.L., Tseh, W., Caputo, J.L., Keefer, D.J., Robertson, R.J., & Morgan, D.W. (2002). Perceived Exertion: Absence of signal dominance in female and male children using the OMNI (walk/run) scale. Presented at the annual meeting of the American College of Sports Medicine, St. Louis, MO, May, 2002.
Morgan, D.W., Tseh, W., Caputo, J., Keefer, D., Craig, I., Boblett, K., Akins, M., Griffith, G., Krahenbuhl, G. & Martin, P. (2001). Prediction of walking economy in children. Submitted for presentation at the annual meeting of the American College of Sports Medicine, Baltimore, MD, May, 2001.
Morgan, D.W., Akins, M.B., Boblett, K.E., Craig, I.S., Caputo, J.L., Griffith, G., Keefer, D.J., Martin, P.E. & Tseh, W. (2001). Longitudinal profiles of oxygen uptake during treadmill walking in able-bodied children. Submitted for presentation at the Gait and Clinical Movement Analysis Society meeting, Sacramento, CA, April, 2001.
Morgan, D.W., Tseh, W., Caputo, J.L., Craig, I.S., Keefer, D.J. & Martin, P. (2000). Variability in the aerobic demand of walking and running in young children. Presentation at the annual meeting of the American College of Sports Medicine, Indianapolis, IN, May, 2000.
Keefer, D.J., Tseh, W., Caputo, J.L., Boblett, K.E., Martin, M.B., & Morgan, D. (1999). Effect of a heel-loaded auditory feedback system on walking economy and gait speed in children with cerebral palsy: a preliminary study. Presented at the annual meeting of the American Academy for Cerebral Palsy and Developmental Medicine, Washington, DC, September, 1999.
Morgan, D.W., Tseh, W., Caputo, J.L., Craig, I.S., Keefer, D.J. & Martin, P. (1999). Effect of step length manipulation on the aerobic demand of walking in young children. Presented at the XXth International Symposium of the European Group of Pediatric Work Physiology, Saubadia, Italy, September, 1999.
Morgan, D.W., Tseh, W., Caputo, J.L., Keefer, D.J., Craig, I.S., Boblett, K.E., Griffith, G. (1999). Longitudinal stratification of walking and running economy in young boys and girls. Presented at the annual meeting of the American Alliance of Health Physical Education, Recreation, and Dance, Boston, MA, April, 1999.
Morgan. D.W., Boblett, K.E., Caputo, J.L., Craig, I.S., Griffith, G.E., Keefer, D.J., Tseh, W., Vint, P. (1998). Comparison of freely-chosen and energetically-optimal walking speeds in children with cerebral palsy. Presented at the North American Society of Pediatric Exercise Science meeting, Amherst, MA, August, 1998.
Keefer, D.J., Tseh, W., Caputo, J.L., Craig, I.S., & Morgan, D. (1998). Stability of running economy in young children. Presented at the annual meeting of the American College of Sports Medicine, Orlando, FL, May, 1998.
Morgan, D.W., Martin, P., Tseh, W., Caputo, J.L., Craig, I.S., & Keefer, D.J. (1998). Influence of walking speed on gait mechanics in young children. Presented at the annual meeting of the American Alliance of Health Physical Education, Recreation, and Dance, Reno, Nevada, April, 1998.
Morgan, D.W., Tseh, W., Caputo, J.L., Craig, I.S., Keefer, D.J. & Martin, P. (1997). Acquisition of stable treadmill walking mechanics in young children. Presented at the meeting of the European Group of Pediatric Work Physiology, Devon, England, September, 1997.
Morgan, D.W., Martin, P., Tseh, W., Caputo, J.L., Craig, I.S., & Keefer, D.J. (1997). Profiles of oxygen uptake and gait mechanics in young children during treadmill walking and running. Presented at the annual meeting of the American Physical Therapy Association, San Diego, CA, June, 1997.
Morgan, D.W., Martin, P., Tseh, W., Caputo, J.L., Craig, I.S., & Keefer, D.J. (1997). Relationship between preferred and energetically optimal walking speeds in young children. Presented at the annual meeting of the American College of Sports Medicine, Denver, CO, June, 1997.
Tseh, W., Caputo, J.L., Craig, I.S., Keefer, D.J., & Morgan, D.W. (1997). Metabolic accommodation of young children to treadmill walking. Presented at the annual meeting of the American College of Sports Medicine, Denver, CO, June, 1997.
Morgan, D.W., Tseh, W., Caputo, J.L., Craig, I.S., Keefer, D.J. & Martin, P. (1997). Sex differences in running economy of young children. Presented at the annual meeting of the American Alliance of Health Physical Education, Recreation, and Dance, St. Louis, MO, March, 1997.
Keefer, D.J., Bassett, D.R. Jr., Howley, E.T., Johnson, K. (1996). Testing an association between running economy and lower body flexibility. Presented at the annual meeting of the American College of Sports Medicine, Cincinnati, OH, June, 1996.
Turner, M.J., Howley, E.T., Tanaka, H., Ashraf, M., Bassett, D.R. Jr., Keefer, D.J. (1995). Effect of graded epinephrine infusion on blood lactate response to exercise. Presented at the annual meeting of the American College of Sports Medicine, Minneapolis, MN, June, 1995.
ACADEMIC
HONORS AND SPECIAL DISTINCTIONS
Senior Scholar Athlete Award, East Stroudsburg University, 1993.
Exceptional Academic Achievement Award, East Stroudsburg University, 1993.
Coaches’ Award for Cross Country,
East Stroudsburg University, 1993.
PROFESSIONAL
MEMBERSHIPS
Fellow - American Academy of Cerebral Palsy and Developmental Medicine, National Chapter, 2002 - Present
Member – North American Society for Pediatric Exercise Medicine, 2002 - Present
Member - American College of Sports Medicine, Mid-Atlantic Chapter, 2000 - Present
Member - Association of Pennsylvania
State College and University Faculties, 2000 - Present
PROFESSIONAL
SERVICES
Served on the faculty sub-committee of the professional training and education program, Fall 2002.
Served on the wellness minor committee of the Department of Wellness and Sport Sciences, 2002.
Served on the graduate program committee of the Department of Wellness and Sport Sciences, 2001 – Present.
Served on the outcomes assessment (general education) committee of the Department of Wellness and Sport Sciences, 2001 – Present.
Served on the selection committee of the Department of Wellness and Sport Sciences, 2001 – Present.
Volunteered as the head coach of the Penn Manor 5th and 6th grade boy’s basketball travel team, Fall 2001.
Served on the curriculum committee of the Department of Wellness and Sport Sciences, 2000 – Present.
Served on the wellness week committee, 2001 – Present.
Served on the minor development committee of the Department of Wellness and Sport Sciences, 2000 – Present.
Served on the technology standards committee of the School of Education, 2000 – Present.
Developed and maintained the website for the Department of Wellness and Sports Science, 2000 – Present.
Developed and maintained the website for the Bloodborne Pathogens Workshop sponsored by the Department of Wellness and Sports Science, 2001.
Faculty advisor of the Millersville University roller hockey club, 2000 – Present.
Exercise and Sports Science representative to the Graduate Student Association (GSA), 1997.
Volunteer for the Guilford County Home School Track & Field Meet, 1996-2000.
Volunteer for the USA Track and Field Association’s National Track & Field Championship Meet, 1995.
Volunteer for the NCAA Division I Track & Field Championship Meet, Knoxville, TN, 1994.
Volunteer for the Gatorade Invitational Track & Field Meet, Knoxville, TN, 1994, 1995.
Volunteer for the Sea Ray Relays Track & Field Meet, Knoxville, TN, 1995.
Volunteer for a weekly handicapped activity program at ESU, 1991 – 1993.
Volunteer for Big Brother/Big Sister
Program of Monroe County, PA, 1991 – 1993.