TABLE 3.

Adaptations to 4 weeks interval training with BFR.

Variable	Groups	Pre	Post	t-test p	Cohen’s d	ANCOVA p
Peak power (W kg–1)	IP-CE	$5.8(1.4)$	$7.3(1.7)$	0.001	0.83	0.021*
	CPP-IE	$5.7(1.0)$	$7.0(1.2)$	0.012	0.87
	CPC-IE	$5.7(0.8)$	$7.9(1.2)$	0.001	2.05
	IP-IE	$5.9(0.9)$	$6.9{(1.1)}^{\mathrm{\#}}$	0.020	0.82
Average power (W kg–1)	IP-CE	$4.5(0.9)$	$5.4(0.8)$	0.012	0.60	0.030*
	CPP-IE	$4.9(0.9)$	$5.4{(0.9)}^{\mathrm{\#}}$	0.012	0.52
	CPC-IE	$4.6(0.7)$	$5.9(0.7)$	0.001	1.54
	IP-IE	$4.5(0.6)$	$5.2{(0.6)}^{\mathrm{\#}}$	0.010	0.98
Minimum power (W kg–1)	IP-CE	$2.8(0.7)$	$2.9{(0.8)}^{\mathrm{\#}}$	0.009	0.15	0.007*
	CPP-IE	$3.3(0.8)$	$3.6{(0.8)}^{\mathrm{\#}}$	0.011	0.22
	CPC-IE	$3.1(0.5)$	$3.7(0.6)$	0.001	0.90
	IP-IE	$2.9(0.8)$	$3.1{(0.8)}^{\mathrm{\#}}$	0.003	0.24
Leg strength (kg)	IP-CE	$82.9(14.6)$	$101.8{(11.8)}^{\mathrm{\#}}$	0.001	1.00	0.001*
	CPP-IE	$82.6(11.9)$	$103.4{(11.5)}^{\mathrm{\#}}$	0.001	1.26
	CPC-IE	$90.9(9.4)$	$131.8(7.4)$	0.001	2.88
	IP-IE	$87.3(11.1)$	$110.1{(14.9)}^{\mathrm{\#}}$	0.001	1.53
VO2max (ml kg–1 min–1)	IP-CE	$39.7(1.8)$	$43.9(1.7)$	0.001	1.84	0.024*
	CPP-IE	$39.5(3.7)$	$44.5(3.5)$	0.006	1.10
	CPC-IE	$38.3(2.3)$	$44.9(1.7)$	0.001	2.28
	IP-IE	$37.7(3.1)$	$41.2{(3.1)}^{\mathrm{\#}}$	0.001	0.95
vVO2max (km h–1)	IP-CE	$12.3(0.5)$	$14.5(1.0)$	0.006	3.27	0.218
	CPP-IE	$12.2(1.2)$	$14.0(1.7)$	0.028	1.23
	CPC-IE	$12.7(0.8)$	$15.5(0.5)$	0.001	2.70
	IP-IE	$12.3(1.0)$	$14.7(0.5)$	0.003	1.79
Time to fatigue (s)	IP-CE	$170.7(15.4)$	$220.3(28.3)$	0.001	2.35	0.042*
	CPP-IE	$182.5(38.1)$	$226.8{(59.1)}^{\mathrm{\#}}$	0.019	0.85
	CPC-IE	$216.0(35.5)$	$310.5(39.6)$	0.001	1.89
	IP-IE	$187.7(26.7)$	$239.3(30.2)$	0.002	1.47
Running economy (diff: L min–1 km h–1)	IP-CE	$3.6(0.4)$	$3.6{(0.4)}^{\mathrm{\#}}$	0.090	–0.26	0.024*
	CPP-IE	$3.8(0.7)$	$3.5(0.5)$	0.035	–0.42
	CPC-IE	$3.6(0.1)$	$3.1(0.2)$	0.001	–3.92
	IP-IE	$3.8(0.7)$	$3.6{(0.6)}^{\mathrm{\#}}$	0.046	–0.39

^#Significantly different from CP_C-IE group (P < 0.05). ^*Significant difference between groups (P < 0.05). IP-CE, increasing BFR pressure with constant exercise intensity; CP_P-IE, constant partial BFR pressure with increasing exercise intensity; CP_C-IE, constant complete BFR pressure with increasing exercise intensity; IP-IE, increasing BFR pressure with increasing exercise intensity; W kg^–1, Watt per kilogram of body mass; Kg, kilogram; S, Second.