John R. Blackwell, Ph.D.
Office: University Center 541
Office Hours: Monday, Wednesday, Friday, 12-1 and by appointment
Phone: 415.422.5988
FAX: 415.422.6267
URL: http://www.usfca.edu/blackwell.htm
E-mail: Blackwell@usfca.edu     
Research Interests
 
PUBLICATIONS
 
Blackwell, J.R., Kornatz, K. W. & Heath, E. M. "Effect of grip span on maximal absolute
grip force and relative submaximal finger flexor fatigue." Submitted to Applied Ergonomics.
 
Blackwell, J.R. & Heath, E. M. "Mechanical and strategic considerations of the approach
shot in tennis." International Sports Journal, 11, 30-38, 1997.
 
Knudson, D. & Blackwell, J.R. "Upper extremity angular kinematics of the one-handed
backhand drive in tennis players with and without lateral epicondylitis." International Journal
of Sports Medicine,18, 79-82 (1997).
 
Blackwell, J.R., and Newell, K. M. "The informational role of knowledge of results in motor
learning." Acta Psychologica, 92, 119-129, 1996.
 
Blackwell, J.R., and Cole, K. J. "Wrist kinematics differ in expert and novice tennis players
performing the backhand stroke: Implications for tennis elbow." Journal of Biomechanics, 27
5, 509-516, 1994.
 
Blackwell, J.R., Simmons, R. W., and Spray, J. A. "Time series analysis of KR effects during
motor skill acquisition." Research Quarterly for Exercise and Sport. March, 1991.
"Frequency of videotape feedback and motor skill learning," University of San Francisco
Faculty Development Research Funds, 1997
 
"Effect of backward walking on cardiorespiratory fitness and biomechanical efficiency of
movement," University of San Francisco Faculty Development Research Funds, 1996
 
"Effect of back support belts on back muscle (erector spinae) fatigue during prolonged lifting
exercises," University of Texas at El Paso Research Institute, 1994
 
"Effect of grip span on forearm muscle fatigue," Gripping Solutions, Inc., 1993.
 
"Physiological response to exercise using the Bi-Robic conditioning systems," Bi-Robic
Conditioning Systems, Inc., 1993
 
"Wrist motion analysis during wheelchair propulsion," University of Texas at El Paso
Research Institute, 1993.
 
"Impact loading and wrist extensor stretch in the tennis one-handed backhand," United States
Tennis Association, 1993.
PRESENTATIONS
 
Heath, E.M., Blackwell, J.R., Kornatz, K. W., Baker, U. C. & Smith, D. R., "Effects of
backward walking training on selected cardiorespiratory parameters." Presented to the
American College of Sports Medicine, June, 1997.
 
Knudson, D. and Blackwell, J. "Impact loading and wrist extensor stretch in the one-handed
backhand." Presented at the 2nd National Conference on Sports Medicine and Science in
Tennis, 1995.
 
Blackwell, J. R. and Kornatz, K. "Effect of grip span on rate of flexor digitorum superficialis
muscle fatigue." Presented to the International Symposium on Neuromuscular Fatigue, Miami,
1994.
 
Blackwell, J. R. and Ladd, K. A. "Wrist motion analysis in wheelchair racers." Presented to
the Third International Medical Congress on Sports for the Disabled, Quebec City, 1994.
 
Knudson, D. V., and Blackwell, J. R. "The one-handed tennis backhand drive: Implications
for injury." Presented to the Texas Alliance for Physical Education, Recreation and Dance,
Galveston, 1993.
 
Blackwell, J. R. and Cahalan, T. "Wrist kinematics in skilled and unskilled tennis players at
ball-racket impact: Implications for the onset of tennis elbow." Presented to The First World
Congress of Biomechanics, San Diego, September, 1990.
 
Blackwell, J. R. "Wrist kinematics in skilled and unskilled tennis players: Implications for the
onset of lateral epicondylitis (tennis elbow)." Presented to the Orthopedic Biomechanics
Laboratory, Mayo Clinic, Rochester, Minnesota, March, 1990.
 
Blackwell, J. R. "Tennis elbow: An experimental approach to identifying players at risk."
Presented to the faculty of Hong Kong University, Hong Kong, Jan., 1990.
 
Blackwell, J. R. "Significance of grip pressure patterns and wrist kinematics to the
discrimination of tennis skill and potential mechanisms of tennis elbow development."
Presented to the Hong Kong Tennis Association and Jubilee Sports Centre, Hong Kong,
Jan., 1990.
 
Blackwell, J. R. "Significance of wrist kinematics to the discrimination of tennis skill and
potential mechanisms of tennis elbow development: the implications of the semi-western grip."
Presented to the second Australian National Tennis Seminar, Melbourne, Australia, Jan.,
1990.
 
Blackwell, J. R., and Bruce, I. "Effect of grip strength on muscle overload leading to tennis
elbow." Presented to the faculty of San Diego State University, San Diego, California, June,
1987.
 
Blackwell, J. R., Simmons, R. W., and Spray, J. A. "Role of KR during motor skill
acquisition under two levels of contextual interference." Presented at the NASPSPA meeting,
Biloxi, Miss., May, 1985.
              
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