26
0
0
–2
–4
2
4
6
8
10
∆ °C
∆ °C
toe
sole
calf
thigh
belly
lips
cheek
finger
thenar
forehead
forearm
up
arm
lower
back
WARM THRESHOLDS
COLD THRESHOLDS
>65
yrs
40-60
yrs
18-28
yrs
Fig. 2.1 Stevens and Choo body maps of regional warm (upper bars) and cold (lower bars) sensitivity over a typical life span. The bars indicate the median thresholds of 3 groups of 20 young, 20
middle-aged, and 20 elderly subjects. (Licensed for editorial use by Taylor & Francis)
2 The Energy Essential: Physical Forces Animate All Things
0
0
–2
–4
2
4
6
8
10
∆ °C
∆ °C
toe
sole
calf
thigh
belly
lips
cheek
finger
thenar
forehead
forearm
up
arm
lower
back
WARM THRESHOLDS
COLD THRESHOLDS
>65
yrs
40-60
yrs
18-28
yrs
Fig. 2.1 Stevens and Choo body maps of regional warm (upper bars) and cold (lower bars) sensitivity over a typical life span. The bars indicate the median thresholds of 3 groups of 20 young, 20
middle-aged, and 20 elderly subjects. (Licensed for editorial use by Taylor & Francis)
2 The Energy Essential: Physical Forces Animate All Things