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The use of stature loss to estimate the effects of whole body vibration on the spine
574
HUMAN RESPONSE TO VIBRATION
signals depending on the phase relationships between translational and rotational motion. Topics: Biodynamics (transmissibility) ; Complex Vibration (multiple axis).
head
J. Sandover, I. Althoff, P. Brinkmann and W. Frobin. The use of stature loss to estimate the effects of whole body vibration on the spine. (11 pages, 2 figures, 2 tables, 31 references) (in English) Authors’ Abstract. Accurate measurements of changes in stature are increasingly being used to estimate spinal loading during various activities. We have developed a method of measurement which accommodates the natural, diurnal changes and permits estimation of net stature change affected by spinal loading accurately and reliably. The method was used for a pilot study of the effects of whole body vibration (5 and 10 Hz, 0.5-1.5 m/s” weighted (r.m.s.). It was found that these conditions lead to no net changes in stature compared with sitting without vibration. Topics: Biodynamics (general) ; Physiological Effects (skeletal, postural function). Other papers presented were as follows. L. E. Tyler. Faculty of occupational medicine working party on hand-arm transmitted vibration. A. J. Brammer. Threshold limit values for exposure of the hand to vibration : implications from epidemiologic studies. D. Greenstein, P. J. Kent and R. C. Kester. Digital rewarming in Raynaud’s Phenomenon: the effect of total body warming. S. Maeda. Comparison of the effects of hand-transmitted continuous vibration and shock vibration on temporary threshold shifts in fingertip vibratory sensation. S. Carnicelli and C. G. Rice. Repeatability study of vibrotactile thresholds and the rewarming test. A. J. Brammer and J. E. Piercy. Measuring vibrotactile perception thresholds at the fingertips of power-tool operators. A. B. Hadlington. Vibrotactile thresholds in men with VWF but no longer exposed to vibration. P. M. Pitts. The measurement of hand-transmitted vibration exposure of grinders and fettlers in the foundry industry. P. Voss. On the problems of comparison of vibration from chipping hammers. K. Noren. Vibration isolation of hand held grinders. D. E. O’Connor. A method for measuring the vibration transmissibility of resilient materials. D. S. Chatterjee. Vibration and grip force. J. Sandover and J. Louw. Finger temperature, vibration and grip force. E. Fright. A task analysis of operations involving hand-held pneumatic grinding and scaling tools. N. Gritsko. Constitutional peculiarities of reactions in men to local vibration load. A. D. Wallis. Measurement technology--a review. A. W. Bednall. The vibration requirements of future legislation and research needs. J. Sandover, C. S. Porter and 1. G. Vlachonikolis. Vibration and cognitive task performance. M. W. Brett. Effect of a frontrest on the transmission of horizontal vibration to the head. M. 1. V. Jayson, A. D. Blann, A. M. Kaigle, J. N. Weinstein and D. G. Wilder. The effect of vibration on circulating levels of von Willebrand factor antigen; a preliminary communication.
HUMAN
RESPONSE
TO VIBRATION
575
J. F. Goldings and M. Kerguelen. A comparison of the nauseogenic potential of low frequency vertical versus horizontal linear oscillation. J. Sandover and T. H. de Koker. Subjective response to vibrations including shocks. A. J. Messenger. Effects of varying backrest lumbar support contouring on back posture and discomfort. R. Stratford. An ergonomic assessment of a helicopter crew seat. J. Village and J. B. Morrison. Development of a standard for the health hazard assessment of mechanical shock and repeated impact. S. Kitazaki. Modelling and analysis of the spine-head dynamics. Note. Copies of all papers in this section will be found in the Human Response to Vibration Literature Collection at the Institute of Sound and Vibration Research, The University of Southampton. The papers may be used by persons visiting the Institute. Contributions to the Literature Collection are requested. They should be sent to Professor M. J. Gr#n, Human Factors Research Unit, Institute of Sound and Vibration Research, The University, Southampton SO9 5NH, England.
HUMAN RESPONSE TO VIBRATION
signals depending on the phase relationships between translational and rotational motion. Topics: Biodynamics (transmissibility) ; Complex Vibration (multiple axis).
head
J. Sandover, I. Althoff, P. Brinkmann and W. Frobin. The use of stature loss to estimate the effects of whole body vibration on the spine. (11 pages, 2 figures, 2 tables, 31 references) (in English) Authors’ Abstract. Accurate measurements of changes in stature are increasingly being used to estimate spinal loading during various activities. We have developed a method of measurement which accommodates the natural, diurnal changes and permits estimation of net stature change affected by spinal loading accurately and reliably. The method was used for a pilot study of the effects of whole body vibration (5 and 10 Hz, 0.5-1.5 m/s” weighted (r.m.s.). It was found that these conditions lead to no net changes in stature compared with sitting without vibration. Topics: Biodynamics (general) ; Physiological Effects (skeletal, postural function). Other papers presented were as follows. L. E. Tyler. Faculty of occupational medicine working party on hand-arm transmitted vibration. A. J. Brammer. Threshold limit values for exposure of the hand to vibration : implications from epidemiologic studies. D. Greenstein, P. J. Kent and R. C. Kester. Digital rewarming in Raynaud’s Phenomenon: the effect of total body warming. S. Maeda. Comparison of the effects of hand-transmitted continuous vibration and shock vibration on temporary threshold shifts in fingertip vibratory sensation. S. Carnicelli and C. G. Rice. Repeatability study of vibrotactile thresholds and the rewarming test. A. J. Brammer and J. E. Piercy. Measuring vibrotactile perception thresholds at the fingertips of power-tool operators. A. B. Hadlington. Vibrotactile thresholds in men with VWF but no longer exposed to vibration. P. M. Pitts. The measurement of hand-transmitted vibration exposure of grinders and fettlers in the foundry industry. P. Voss. On the problems of comparison of vibration from chipping hammers. K. Noren. Vibration isolation of hand held grinders. D. E. O’Connor. A method for measuring the vibration transmissibility of resilient materials. D. S. Chatterjee. Vibration and grip force. J. Sandover and J. Louw. Finger temperature, vibration and grip force. E. Fright. A task analysis of operations involving hand-held pneumatic grinding and scaling tools. N. Gritsko. Constitutional peculiarities of reactions in men to local vibration load. A. D. Wallis. Measurement technology--a review. A. W. Bednall. The vibration requirements of future legislation and research needs. J. Sandover, C. S. Porter and 1. G. Vlachonikolis. Vibration and cognitive task performance. M. W. Brett. Effect of a frontrest on the transmission of horizontal vibration to the head. M. 1. V. Jayson, A. D. Blann, A. M. Kaigle, J. N. Weinstein and D. G. Wilder. The effect of vibration on circulating levels of von Willebrand factor antigen; a preliminary communication.
HUMAN
RESPONSE
TO VIBRATION
575
J. F. Goldings and M. Kerguelen. A comparison of the nauseogenic potential of low frequency vertical versus horizontal linear oscillation. J. Sandover and T. H. de Koker. Subjective response to vibrations including shocks. A. J. Messenger. Effects of varying backrest lumbar support contouring on back posture and discomfort. R. Stratford. An ergonomic assessment of a helicopter crew seat. J. Village and J. B. Morrison. Development of a standard for the health hazard assessment of mechanical shock and repeated impact. S. Kitazaki. Modelling and analysis of the spine-head dynamics. Note. Copies of all papers in this section will be found in the Human Response to Vibration Literature Collection at the Institute of Sound and Vibration Research, The University of Southampton. The papers may be used by persons visiting the Institute. Contributions to the Literature Collection are requested. They should be sent to Professor M. J. Gr#n, Human Factors Research Unit, Institute of Sound and Vibration Research, The University, Southampton SO9 5NH, England.