Table 5.

Cerebral oxygenation at the different time-points (T₁–T₇) while sitting (SIT) or when sitting was interrupted by the 6-min HIIT (SIT+HIIT).

	Time-points
Variable	Condition	T0	T1	T2	T3	T4	T5	T6	T7	Best d
Left frontal lobe TSI [%]	SIT	–	100.0 ± 0.0	99.6 ± 3.8	99.3 ± 3.6	99.4 ± 4.4	99.2 ± 6.4	98.3 ± 7.8	99.1 ± 5.0	0.44
	SIT+HIIT	–	100.0 ± 0.0	99.2 ± 3.6	99.5 ± 3.1	100.4 ± 4.1	98.9 ± 3.4	97.5 ± 4.4	96.8 ± 5.5
Right frontal lobe TSI [%]	SIT	–	100.0 ± 0.0	99.4 ± 4.5	100.0 ± 4.3	98.7 ± 5.9	99.2 ± 4.7	98.9 ± 5.8	98.5 ± 5.9	0.2
	SIT+HIIT	–	100.0 ± 0.0	98.6 ± 2.7	99.3 ± 3.5	97.9 ± 3.3	99.2 ± 3.0	99.8 ± 4.0	98.2 ± 4.3

^aP < 0.05 for the difference to T₁ within group. ^bP < 0.05 for the difference between groups.