Table 3.
Bioimpedance index, impedance ratio and phase angle measured for the whole body and upper and lower limbs in amateur and professional pole dancers.
Professional Pole Dancers (n = 7) |
Amateur Pole Dancers (n = 33) |
p-Value | Cohen’s d | ||
---|---|---|---|---|---|
Impedance Ratio | |||||
Whole body | Z 50/Z 5 kHz | 0.869 ± 0.015 | 0.879 ± 0.014 | 0.079 | 0.70 |
Z 100/Z 5 kHz | 0.817 ± 0.018 | 0.830 ± 0.016 | 0.072 | 0.76 | |
Z 250/Z 5 kHz | 0.756 ± 0.021 | 0.771 ± 0.018 | 0.058 | 0.77 | |
Upper limbs | Z 50/Z 5 kHz | 0.875 ± 0.010 | 0.889 ± 0.013 | <0.001 * | 1.2 |
Z 100/Z 5 kHz | 0.824 ± 0.014 | 0.840 ± 0.015 | <0.001 * | 1.1 | |
Z 250/Z 5 kHz | 0.753 ± 0.018 | 0.772 ± 0.018 | <0.001 * | 1.1 | |
Lower limbs | Z 50/Z 5 kHz | 0.863 ± 0.021 | 0.868 ± 0.018 | 0.463 | 0.26 |
Z 100/Z 5 kHz | 0.810 ± 0.025 | 0.817 ± 0.021 | 0.435 | 0.30 | |
Z 250/Z 5 kHz | 0.763 ± 0.030 | 0.772 ± 0.025 | 0.355 | 0.33 | |
Phase Angle (°) | |||||
Whole body | 6.37 ± 0.57 | 6.00 ± 0.55 | 0.117 | 0.66 | |
Upper limbs | 5.66 ± 0.56 | 5.19 ± 0.56 | 0.041 * | 0.99 | |
Lower limbs | 7.11 ± 0.80 | 7.04 ± 0.70 | 0.821 | 0.09 |
Data are expressed as mean ± standard deviation. BI index—bioimpedance index calculated as height2/Z. * p < 0.05. Cohen’s d ≤ 0.2—small, 0.2 < d ≤ 0.5—small to medium, 0.5 < d ≤ 0.8—medium to large, d > 0.8—large.