Results 211 to 220 of about 42,297 (267)
Assessing the reliability of baseline maximum voluntary contraction protocols. [PDF]
PeerJSlade GE, Watterworth MWB, La Delfa NJ.
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Applied Optics, 1972
A recent paper has described a new diffractographic sensor utilizing a changing single slit diffraction pattern to determine torque in rotating or stationary shafts (T. R. Pryor, O. L. Hageniers, and W. P. T. North, Soc. Exp. Stress Anal., in press). In that experiment, diffraction pattern fringe spacing was visually measured and found linearly related
T R, Pryor, O L, Hageniers, W P, North
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A recent paper has described a new diffractographic sensor utilizing a changing single slit diffraction pattern to determine torque in rotating or stationary shafts (T. R. Pryor, O. L. Hageniers, and W. P. T. North, Soc. Exp. Stress Anal., in press). In that experiment, diffraction pattern fringe spacing was visually measured and found linearly related
T R, Pryor, O L, Hageniers, W P, North
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A dynamometer for nature's engines
IEEE Instrumentation & Measurement Magazine, 2019Muscle is an amazing natural thermodynamic engine that converts chemical energy into mechanical work. Each muscle twitch is ‘sparked’ by an electrically-released pulse of calcium ions, which trigger force-development and cell shortening, at the cost of energy and oxygen, and the dissipation of heat.
Andrew J. Taberner +13 more
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Accuracy of the Jamar Dynamometer
Journal of Hand Therapy, 1993The purpose of the study was to check the calibrations of six Jamar dynamometers. Five handle positions were tested for each instrument, with the application of seven different external forces, from 5 kg to 60 kg. Between two testers the repeatability was also evaluated.
R, Härkönen, R, Harju, H, Alaranta
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A Portable Hand‐Grip Dynamometer
Journal of Paediatrics and Child Health, 1979Pearn, J. and Bullock, K. (1979). Aust. Paediatr. J., 15, 107–109. A portable hand‐grip dynamometer. A new portable handgrip dynamometer is described. The instrument employs the strain‐gauge principle and measures isometric contraction.
Pearn, J., Bullock, K.
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Transactions of the American Institute of Electrical Engineers, 1951
SINCE THE ANNOUNCEMENT of the magnetic fluid by J. Rabinow1 in 1948, several manufacturers have been producing magnetic fluid clutches for use primarily in servomechanisms. Though some manufacturers also have produced designs for breaking service, the author knows of no instance where the magnetic fluid has been used for absorption-dynamometer ...
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SINCE THE ANNOUNCEMENT of the magnetic fluid by J. Rabinow1 in 1948, several manufacturers have been producing magnetic fluid clutches for use primarily in servomechanisms. Though some manufacturers also have produced designs for breaking service, the author knows of no instance where the magnetic fluid has been used for absorption-dynamometer ...
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Journal of Mechanical Design, 1980
This paper describes the design of a low-cost wheelchair dynamometer used to evaluate patient performance while using their own wheelchairs. Specifications are listed and details of the overall system including controlling schemes are given. Representative clinical research is listed. The multiple uses of the dynamometer system are discussed.
J. G. Thacker +2 more
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This paper describes the design of a low-cost wheelchair dynamometer used to evaluate patient performance while using their own wheelchairs. Specifications are listed and details of the overall system including controlling schemes are given. Representative clinical research is listed. The multiple uses of the dynamometer system are discussed.
J. G. Thacker +2 more
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International Journal of Production Research, 1963
SUMMARY This paper outlines the design and preliminary testing of a “tunnel” broaching dynamometer in which a rectangular test-piece is drawn by hydraulic piston between opposing broach teeth. The path of the test-piece may be guided by ball bearing races or be freely determined by the action of the cutting forces. Brief reference is made to an earlier
H. GRISBROOK, D. I. ROBSON, T. TELFORD
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SUMMARY This paper outlines the design and preliminary testing of a “tunnel” broaching dynamometer in which a rectangular test-piece is drawn by hydraulic piston between opposing broach teeth. The path of the test-piece may be guided by ball bearing races or be freely determined by the action of the cutting forces. Brief reference is made to an earlier
H. GRISBROOK, D. I. ROBSON, T. TELFORD
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