2007, Piran, Slovenia

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Environmental Ergonomics XII Igor B. Mekjavic, Stelios N. Kounalakis & Nigel A.S. Taylor (Eds.), © BIOMED, Ljubljana <strong>2007</strong> DISCUSSION This study investigated muscle activity during walking in a normobaric hypoxic environment. There was a tendency, albeit not significant, for the iEMG of all muscles monitored during the hypoxic walks to be greater than that observed in the normoxic walks. Significantly higher iEMG was observed only in MG during the 2 km/h walk, and in BF during the 4 km/h walk. REFERENCES Fulco, CS., Cymerman, A., Muza, RS., Rock, BP., Pandolf, BK., Lewis, FS., 1994. Adductor pollicis muscle fatigue during acute and chronic altitude exposure and return to sea level. J. Appl. Physiol. 77 (1), 179-183. Shinohara, M., Moritani, T., 1992. Increase in neuromuscular activity and oxygen uptake during heavy exercise. Ann Physiol Anthrop. 11 (3), 257-262. 96
Altitude Physiology LOAD CARRIAGE INCREASES ARTERIAL HAEMOGLOBIN OXYGEN SATURATION DURING INCLINED TREADMILL WALKING IN HYPOXIA C. Douglas Thake and Mike J. Price Coventry University, Coventry, UK Contact person: d.thake@coventry.ac.uk INTRODUCTION Acute mountain sickness (AMS) in its benign form is a relatively common debilitating and self-limiting condition that usually resolves within a few days (Basnyat and Murdoch, 2003). The incidence of AMS continues to increase in concert with the growing number of sojourners to moderate altitude. For example Murdoch (1995a) observed AMS in 160 (57%) of 283 hikers walking the Mount Everest base camp trek in the Nepal Himalaya reaching peak altitudes of ≈5545 m. Furthermore, many destinations can now be rapidly accessed by air enabling people to fly directly to altitudes in excess of 3500 m, resulting in an increased incidence of AMS; for example 97 (84%) of 116 individuals who flew directly to 3740 m developed AMS compared to 22 (61%) of 38 who walked from elevation
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ENVIRONMENTAL ERGONOMICS XII Procee
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ENVIRONMENTAL ERGONOMICS XII Procee
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International Conferences on Enviro
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TABLE OF CONTENTS Table of contents
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Table of contents ALTITUDE ATTENUAT
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Table of contents TOWARDS PREVENTIO
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Table of contents RATE AFFECT EXERC
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Table of contents Uroš Dobnikar, S
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Table of contents TO A HOT ENVIRONM
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Table of contents Andreas D. Flouri
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Table of contents PHYSICAL FITNESS
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Table of contents ESTIMATION OF THE
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Herman Potocnic Lecture the advanta
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Invited presentation Gravitational
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Gravitational Physiology SKELETAL M
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Lf (mm) 50.0 40.0 30.0 20.0 10.0 Fa
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Gravitational Physiology maximum is
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Gravitational Physiology THERMOREGU
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Gravitational Physiology THE EXERCI
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Gravitational Physiology Since exer
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Gravitational Physiology During the
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Gravitational Physiology CARDIOVASC
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Page 47 and 48: Gravitational Physiology THERMOREGU
Page 49 and 50: Gravitational Physiology THE EFFECT
Page 51 and 52: Gravitational Physiology Fortney SM
Page 53 and 54: Gravitational Physiology Contractil
Page 55 and 56: Gravitational Physiology Edgerton V
Page 57 and 58: Diving Physiology A library of imag
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Page 61 and 62: Diving Physiology RESULTS Figure 1
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Page 81 and 82: Altitude Physiology IS INTERMITTENT
Page 83 and 84: Altitude Physiology Table 2: Lactat
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Page 87 and 88: Altitude Physiology Figure 1: Mean
Page 89 and 90: Altitude Physiology HYPOXIA INDUCED
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Page 107 and 108: Altitude Physiology Wylegala JA, Pe
Page 109 and 110: Invited presentation Cognitive and
Page 111 and 112: Cognitive and Psycophysiological Fu
Page 129 and 130: Cognitive and psychophysiological f
Page 131 and 132: CLOTHING AND TEXTILE SCIENCE 131
Page 133 and 134: Clothing SPACER FABRICS IN OUTDOOR
Page 135 and 136: F i / g m -2 4,0 3,5 3,0 2,5 2,0 1,
Page 137 and 138: Clothing TOTAL EVAPORATIVE RESISTAN
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Page 141 and 142: Clothing DIFFERENCES IN CLOTHING IN
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Clothing and left side chest, scapu
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Clothing studies using an ice vest
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Insulation (Clo) (Clo) Clo / kg 6 5
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Clothing EFFECTS OF MOISTURE TRANSP
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Clothing the P plots above 60%RH (p
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Clothing EFFECT OF CLOTHING INSULAT
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Clothing EFFECTS OF QUILT AND MATTR
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38 33 28 23 18 0 30 60 90 120 150 m
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Clothing German) were measured, and
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Clothing Metabolism decreased and w
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Clothing Table 1. Comparison of ski
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Clothing PHYSIOLOGICAL RESPONSES AT
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Clothing underwear at 25 °C in per
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Clothing REDUCTION OF HEAT STRESS I
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Clothing THE INTERACTION BETWEEN PH
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Relative humidity (%) Clothing Figu
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Clothing DEVELOPMENT OF THE “WEAR
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Clothing EFFECTS OF AIR GAPS UNDER
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Temper at ur e( ˇ ć) 28.5 27.5 26
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Personal protective equipment Invit
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Personal protective equipment fabri
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Personal protective equipment PHYSI
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Mean skin temperature (ºC) 38.0 37
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Personal protective equipment the S
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Personal protective equipment DISCU
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Personal protective equipment Final
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Personal protective equipment REFER
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Personal protective equipment Tc wa
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Personal protective equipment level
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F i / g m -2 300 250 200 150 100 50
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h M / % 90 80 70 60 50 40 activity
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Personal protective equipment 0.05
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Personal protective equipment was u
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Personal protective equipment THERM
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Personal protective equipment the s
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Personal protective equipment the c
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Personal protective equipment wette
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Table 1 1. Properties of the tested
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Personal protective equipment HEAT
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Personal protective equipment Profi
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Personal protective equipment PHYSI
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Personal protective equipment REDUC
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39.0 38.5 38.0 37.5 37.0 36.5 40.0
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Personal protective equipment EXERC
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Personal protective equipment appro
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Personal protective equipment Table
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Personal protective equipment reduc
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Invited presentation Non-thermal fa
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Non-thermal factors heat loss by al
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Non-thermal factors DOES A FATIGUE-
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Non-thermal factors cycling, despit
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Non-thermal factors INDIVIDUAL VARI
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Non-thermal factors to some categor
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Non-thermal factors RATES OF TOTAL
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Non-thermal factors CHANGES IN BLOO
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Non-thermal factors Table 1. Thresh
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Non-thermal factors THE DIFFERENCE
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Water intake(g) 2000 1800 1600 1400
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Non-thermal factors IMPROVED FLUID
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Non-thermal factors A tendency for
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Sweating Table 1: Sweat gland count
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Sweating Taylor, N.A.S. (2000). Reg
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Sweating back/waist area and finall
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Figure 1: A chrome dome following p
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Sweating Such differences could be
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Sweating the forearm and thigh skin
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Sweating dramatically after puberty
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Sweating In addition local sweating
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Sweating REGIONAL FOOT SWEAT RATES
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Sweating REGIONAL SWEAT RATES OF TH
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Sweating Figure 2 shows the skin te
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Sweating SWEATY HANDS: DIFFERENCES
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Sweating Figure 2: Inter-site sweat
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Sweating REGIONAL DIFFERENCES IN TO
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Sweating Figure 2: Inter-site sweat
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Sweating MENSTRUAL CYCLE DOES NOT A
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Sweating RESULTS On average, the ma
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Sweating THE SWEAT SECRETION AND SO
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Sweating Figure 1: A quadrant diagr
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Invited presentation FINGER COLD IN
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Cold physiology INTRA-INDIVIDUAL DI
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Cold physiology number was estimate
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Cold physiology cold receptors decr
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Cold physiology EFFECT OF URAPIDIL
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Cold physiology THE EFFECT OF EXERC
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TRAINABILITY OF COLD INDUCED VASODI
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Cold physiology REFERENCES Adams, T
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Cold physiology THE EFFECT OF REPEA
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Cold physiology THE EFFECT OF ALTIT
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Cold physiology SKIN SURFACE MENTHO
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Cold physiology COGNITIVE PERFORMAN
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Seconds 6.5 6.0 5.5 5.0 4.5 4.0 3.5
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Cold water immersion REFERENCES Mek
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Cold water immersion the formula: M
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Cold water immersion REFERENCES Cho
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Cold water immersion were: 1 metre
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Cold water immersion surf beaches.
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Cold water immersion Table 1. Break
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Cold water immersion ARM INSULATION
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Cold water immersion RESULTS Experi
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Cold water immersion thermogenesis
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Cold water immersion The other comp
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Cold water immersion REFERENCES And
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Thermal comfort THERMAL SENSATIONS
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Exer - cise PC Wind (m·s -1 ) 0 ne
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Thermal comfort and heart rate usin
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Thermal comfort A NEW METHOD FOR EV
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Thermal comfort DEVELOPMENT OF AN I
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Thermal comfort DISCUSSION This new
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Thermal comfort limit of exposure d
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Table 2: Statistical summary. Gende
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Thermal comfort comfortable”), wh
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Thermal comfort RELATION BETWEEN TH
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Thermal comfort Figure 2. Skin wett
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Thermal comfort THE EVALUATION OF T
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Temp.ˇ ]˘ Jˇ ^ 42 40 38 36 34 32
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time(min) Thermal comfort WHY DO JA
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Thermal comfort TCT : THERMAL COMFO
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Thermal comfort INTERNATIONAL STAND
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Acute and chronic heat exposure PHY
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Acute and chronic heat exposure Fig
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Acute and chronic heat exposure EFF
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Acute and chronic heat exposure 2.2
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Acute and chronic heat exposure EFF
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Acute and chronic heat exposure A N
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Acute and chronic heat exposure of
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Acute and chronic heat exposure PHY
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Acute and chronic heat exposure Tab
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Acute and chronic heat exposure INT
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probability plot 99 95 80 60 40 20
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Acute and chronic heat exposure HAN
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Acute and chronic heat exposure ALL
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Acute and chronic heat exposure Tab
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Acute and chronic heat exposure UNC
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Thermal Sensation Scale 10 9 8 7 6
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Acute and chronic heat exposure RES
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Acute and chronic heat exposure eve
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Acute and chronic heat exposure 30%
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Acute and chronic heat exposure REF
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RADIANT FLOW THROUGH BICYCLE HELMET
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Figure 2. Difference in heat transf
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Manikins DEVELOPMENT OF A LYING DOW
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IT = 6.45( _ ,Tsk - _ ,Tair)/(Q/A)
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Manikins cases. If the body is even
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Heat balance components 100% 80% 60
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Manikins clothing system. This effe
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Manikins The coupled system was val
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Manikins A NOVEL APPROACH TO MODEL-
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Manikins THERMAL MANIKIN EVALUATION
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SR (g/min) Figure 2. Predictive mod
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ESTIMATION OF COOLING EFFECT OF ICE
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Manikins Figure 3: Comparison among
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Manikins EVALUATION OF THE ARMY BOO
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Ty [Nm] 60 50 40 30 20 10 0 0 5 10
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Manikins different black 100% cotto
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Manikins REFERENCES Bogerd, C.P., H
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Modelling RESULTS From this kind of
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Modelling (T , T , V& , ) = 1. 0 +
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NORMALIZED CVCL 8 7 6 5 4 3 2 1 0 M
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Modelling illustrated in Figure 1.
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Modelling MODELLING PATIENT TEMPERA
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Modelling Figure 1: Blood and mean
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Modelling simulations the additiona
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Modelling Table 1. Descriptive summ
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Modelling concomitant increase in b
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Modelling REFERENCES 1. U.S. Depart
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Modelling from the 1988 population.
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Modelling somatotypes in multivaria
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Modelling Each scan data was first
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Modelling The line through the data
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Hip( width) −Waist ( width ) HW
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Modelling measurements are extracte
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Measurement methods not included in
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Measurement methods humidity. The o
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Measurement methods DISCUSSION Base
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Air film Skin surface Skin layer δ
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Measurement methods and calculated
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Rectal temperature ( o C) 39.5 39.0
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Measurement methods work rates, and
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Measurement methods HUMIDEX: CAN TH
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Measurement methods highlighted. In
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Invited presentation Universal Ther
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Universal Thermal Climate Index dat
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Universal Thermal Climate Index DYN
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Universal Thermal Climate Index DIS
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Universal Thermal Climate Index COM
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Skin temperature (°C) Universal Th
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Universal Thermal Climate Index PRO
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Universal Thermal Climate Index The
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Universal Thermal Climate Index ASS
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Universal Thermal Climate Index ima
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Universal Thermal Climate Index min
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Working environment EFFECTS OF LIGH
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Working environment It is interesti
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30 25 20 15 10 5 0 25 12 Working en
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Working environment ERGONOMICS OPTI
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Working environment astigmatism, an
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Working environment RESULTS The hig
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Working environment hearing protect
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Working environment Redistribution
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Working environment DISCUSSION Thes
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Working Environment over the phone
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Working Environment DISCUSSION Diff
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Working Environment results, conclu
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Working Environment BP as the refer
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Working Environment significantly a
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Working Environment responses betwe
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Working Environment Casualty handli
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Working Environment REFERENCES Davi
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Working Environment RESULTS The sub
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Temperature (C) 35 33 31 29 27 25 2
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Working Environment METHODS Student
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Working Environment ANTHROPOGENIC I
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Working Environment RESULTS The res
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Employment Standards VISUAL ACUITY
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Employment Standards Results are pr
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Employment Standards to spend free
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Occupational Thermal Problems and d
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Occupational Thermal Problems HEAT
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Occupational Thermal Problems some
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Occupational Thermal Problems HORSE
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Occupational Thermal Problems range
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Occupational Thermal Problems PHYSI
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Occupational Thermal Problems DISCU
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Occupational Thermal Problems recom
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DLEmin [hours] 7,0 6,0 5,0 4,0 3,0
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Occupational Thermal Problems EFFEC
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Occupational Thermal Problems PERIP
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Occupational Thermal Problems durin
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Occupational Thermal Problems PRODU
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Time (hours) 4 3,5 3 2,5 2 1,5 1 0,
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Occupational Thermal Problems (Suun
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Occupational Thermal Problems highl
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Occupational Thermal Problems and o
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1) estimated (208 - 0.7 x age) *P
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Occupational Thermal Problems of a
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Occupational Thermal Problems tempe
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Table 1: Environmental conditions o
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Occupational Thermal Problems The h
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Occupational Thermal Problems RESUL
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Occupational Thermal Problems PHYSI
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Occupational Thermal Problems corre
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Occupational Thermal Problems DEVEL
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Occupational Thermal Problems All i
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A Adolfsson Niklas 540 Ainslie Phil
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Kim Myung-Ju 409 Kim Taegyou 189 Kl
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Sormunen Erja 599 Spindler Uli 145
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SPONSOR 641
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2007, Piran, Slovenia

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