Table 4.

Subjective responses to repeated exercise/heat bouts by day of acclimation

	RPE		TS
	Lean	Obese	Lean	Obese
Day 1
10 min	9 ± 1.0	10 ± 0.8	5.9 ± 0.2	5.4 ± 0.2
35 min	12 ± 1.4	12 ± 1.1	6.2 ± 0.3	6.2 ± 0.3
60 min	13 ± 1.5	13 ± 0.8	6.3 ± 0.4	6.3 ± 0.1
Day 2
10 min	9 ± 1.0	10 ± 0.8	5.3 ± 0.3	5.1 ± 0.3
35 min	11 ± 1.4	13 ± 1.1*	5.7 ± 0.4	5.9 ± 0.2
60 min	11 ± 1.7	14 ± 1.1*	5.9 ± 0.4	6.6 ± 0.3*
Day 3
10 min	9 ± 1.3	11 ± 1.1*	5.0 ± 0.3†	5.1 ± 0.2
35 min	11 ± 1.6	13 ± 1.1*	5.6 ± 0.4†	5.9 ± 0.3
60 min	11 ± 1.8	14 ± 1.2*	5.9 ± 0.4	6.0 ± 0.3
Day 4
10 min	9 ± 1.2	12 ± 1.0*	5.1 ± 0.3†	5.1 ± 0.3
35 min	10 ± 1.5	12 ± 1.1*	5.6 ± 0.4†	5.8 ± 0.3
60 min	11 ± 1.7	14 ± 1.1*	5.9 ± 0.4	6.1 ± 0.3
Day 5
10 min	9 ± 1.3	11 ± 1.1*	5.1 ± 0.3†	5.3 ± 0.3
35 min	10 ± 1.4	13 ± 1.1*	5.5 ± 0.4†	5.9 ± 0.2*
60 min	10 ± 1.4†	13 ± 1.0*	5.6 ± 0.4†	6.1 ± 0.3*
Day 6
10 min	9 ± 1.1	11 ± 0.9*	5.1 ± 0.3†	5.4 ± 0.3
35 min	9 ± 1.2†	12 ± 1.2*	5.3 ± 0.3†	5.6 ± 0.2†
60 min	10 ± 1.3†	13 ± 1.4*	5.6 ± 0.3†	6.1 ± 0.4*

Values are means ± SE for 7 lean and 7 obese subjects. RPE, rating of perceived exertion; TS, thermal sensation.

^*Significant group difference at P < 0.05.

^†Significantly different from day 1 within group at P < 0.05.