Table 1.

Parallel squat data description and statistical results. Data are presented by means ± standard deviation (SD); CV = coefficient of variation (express in percentage); ES = effect size; ES-IC = confidence interval of effect size.

Control Group	Mean ± SD			CV (%)			P Value	ES	ES-IC
1º × 2º sets	17.3 ± 1.7	×	14.4 ± 1.5	9	and	12	0.004	–1.71	–2.48	to	–0.93
1º × 3º sets	17.3 ± 1.7	×	12.8 ± 1.7	9	and	13	0.0001	–2.48	–3.32	to	–1.64
1º × 4º sets	17.3 ± 1.7	×	11.6 ± 1.2	9	and	10	0.0001	–3.71	–4.42	to	–3.00
1º × 5º sets	17.3 ± 1.7	×	10.6 ± 1.2	9	and	11	0.0001	–4.36	–5.07	to	–3.65
2º × 4º sets	14.4 ± 1.5	×	11.6 ± 1.2	12	and	10	0.004	–1.94	–2.61	to	–1.28
2º × 5º sets	14.4 ± 1.5	×	10.6 ± 1.2	12	and	11	0.0001	–2.61	–2.54	to	–1.97
Mask Group
1º × 2º sets	14.7 ± 1.6	×	12.5 ± 1.6	10	and	12	0.0001	–1.36	–2.11	to	–0.55
1º × 3º sets	14.7 ± 1.6	×	10.5 ± 1.6	10	and	15	0.0001	–2.58	–3.34	to	1.82
1º × 4º sets	14.7 ± 1.6	×	8.38 ± 1.4	10	and	16	0.0001	–4.12	–4.83	to	–3.40
1º × 5º sets	14.7 ± 1.6	×	6.1 ± 1.1	10	and	18	0.001	–6.03	–6.69	to	–5.37
2º × 4º sets	12.5 ± 1.6	×	8.38 ± 1.4	12	and	16	0.0001	–2.58	–3.32	to	–1.84
2º × 5º sets	12.5 ± 1.6	×	6.1 ± 1.1	12	and	18	0.0001	–4.21	–4.90	to	–3.52
3º × 5º sets	10.5 ± 1.6	×	6.1 ± 1.1	15	and	18	0.0001	–2.86	–3.55	to	–2.18